NOAA SWPC Alerts, Watches och Varningar

Den amerikanska rymdvädertjänsten, National Oceanic and Atmosperic Administration Space Weather Prediction Center (NOAA SWPC) är den organisation som ger omvärlden alerts, watches och varningar. Här nere hittar du som senaste rymdväder alerts, watches och varningar av NOAA SWPC.

lördag 14 september 2019

08:59 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2987
Issue Time: 2019 Sep 14 0859 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2986
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 2679 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

fredag 13 september 2019

12:37 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2986
Issue Time: 2019 Sep 13 1237 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2985
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 4260 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

torsdag 12 september 2019

08:59 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2985
Issue Time: 2019 Sep 12 0859 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2984
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 6316 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

onsdag 11 september 2019

08:59 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2984
Issue Time: 2019 Sep 11 0859 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2983
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 8036 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

tisdag 10 september 2019

10:26 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2983
Issue Time: 2019 Sep 10 1026 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2982
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 8477 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

måndag 09 september 2019

11:15 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2982
Issue Time: 2019 Sep 09 1115 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2981
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 9412 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

11:11 UTC

Space Weather Message Code: ALTK04
Serial Number: 2123
Issue Time: 2019 Sep 09 1111 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2019 Sep 09 1112 UTC
Synoptic Period: 0900-1200 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

10:55 UTC

Space Weather Message Code: WARK04
Serial Number: 3664
Issue Time: 2019 Sep 09 1055 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2019 Sep 09 1055 UTC
Valid To: 2019 Sep 09 1800 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

söndag 08 september 2019

12:50 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2981
Issue Time: 2019 Sep 08 1250 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2980
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 19309 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

lördag 07 september 2019

08:59 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2980
Issue Time: 2019 Sep 07 0859 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2979
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 16390 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

fredag 06 september 2019

08:59 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2979
Issue Time: 2019 Sep 06 0859 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2978
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 7839 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

05:03 UTC

Space Weather Message Code: ALTK04
Serial Number: 2122
Issue Time: 2019 Sep 06 0503 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2019 Sep 06 0503 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

04:51 UTC

Space Weather Message Code: WARK04
Serial Number: 3663
Issue Time: 2019 Sep 06 0451 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2019 Sep 06 0451 UTC
Valid To: 2019 Sep 06 1200 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

torsdag 05 september 2019

09:01 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2978
Issue Time: 2019 Sep 05 0901 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2977
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 87914 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

05:27 UTC

Space Weather Message Code: WARK05
Serial Number: 1535
Issue Time: 2019 Sep 05 0527 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2019 Sep 05 0527 UTC
Valid To: 2019 Sep 05 0900 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

02:50 UTC

Space Weather Message Code: ALTK04
Serial Number: 2121
Issue Time: 2019 Sep 05 0250 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2019 Sep 05 0250 UTC
Synoptic Period: 0000-0300 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

02:47 UTC

Space Weather Message Code: WARK04
Serial Number: 3662
Issue Time: 2019 Sep 05 0247 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2019 Sep 05 0247 UTC
Valid To: 2019 Sep 05 1200 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

onsdag 04 september 2019

09:00 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2977
Issue Time: 2019 Sep 04 0900 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2976
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 73740 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

tisdag 03 september 2019

08:59 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2976
Issue Time: 2019 Sep 03 0859 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2975
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 61314 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

02:40 UTC

Space Weather Message Code: WARK04
Serial Number: 3661
Issue Time: 2019 Sep 03 0240 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3660
Valid From: 2019 Aug 30 2035 UTC
Now Valid Until: 2019 Sep 03 1200 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

måndag 02 september 2019

14:55 UTC

Space Weather Message Code: WARK04
Serial Number: 3660
Issue Time: 2019 Sep 02 1455 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3659
Valid From: 2019 Aug 30 2035 UTC
Now Valid Until: 2019 Sep 03 0300 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

08:59 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2975
Issue Time: 2019 Sep 02 0859 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2974
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 53031 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

02:11 UTC

Space Weather Message Code: ALTK05
Serial Number: 1283
Issue Time: 2019 Sep 02 0211 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Sep 02 0207 UTC
Synoptic Period: 0000-0300 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

00:03 UTC

Space Weather Message Code: ALTK05
Serial Number: 1282
Issue Time: 2019 Sep 02 0003 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Sep 01 2359 UTC
Synoptic Period: 2100-2400 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

söndag 01 september 2019

21:09 UTC

Space Weather Message Code: WARK05
Serial Number: 1534
Issue Time: 2019 Sep 01 2109 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1533
Valid From: 2019 Aug 31 0244 UTC
Now Valid Until: 2019 Sep 02 1200 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

21:09 UTC

Space Weather Message Code: WARK04
Serial Number: 3659
Issue Time: 2019 Sep 01 2109 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3658
Valid From: 2019 Aug 30 2035 UTC
Now Valid Until: 2019 Sep 02 1500 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

20:51 UTC

Space Weather Message Code: ALTK05
Serial Number: 1281
Issue Time: 2019 Sep 01 2051 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Sep 01 2050 UTC
Synoptic Period: 1800-2100 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

15:09 UTC

Space Weather Message Code: ALTK06
Serial Number: 474
Issue Time: 2019 Sep 01 1509 UTC

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2019 Sep 01 1459 UTC
Synoptic Period: 1200-1500 UTC

Active Warning: Yes
NOAA Scale: G2 - Moderate

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

14:01 UTC

Space Weather Message Code: WARK06
Serial Number: 434
Issue Time: 2019 Sep 01 1401 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2019 Sep 01 1359 UTC
Valid To: 2019 Sep 01 2100 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

14:01 UTC

Space Weather Message Code: WARK05
Serial Number: 1533
Issue Time: 2019 Sep 01 1401 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1531
Valid From: 2019 Aug 31 0244 UTC
Now Valid Until: 2019 Sep 01 2359 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

14:01 UTC

Space Weather Message Code: WARK04
Serial Number: 3658
Issue Time: 2019 Sep 01 1401 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3656
Valid From: 2019 Aug 30 2035 UTC
Now Valid Until: 2019 Sep 02 0600 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

13:37 UTC

Space Weather Message Code: ALTK05
Serial Number: 1280
Issue Time: 2019 Sep 01 1337 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Sep 01 1337 UTC
Synoptic Period: 1200-1500 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

10:06 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2974
Issue Time: 2019 Sep 01 1006 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2973
Begin Time: 2019 Aug 31 1540 UTC
Yesterday Maximum 2MeV Flux: 12206 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

09:41 UTC

Space Weather Message Code: ALTK05
Serial Number: 1279
Issue Time: 2019 Sep 01 0941 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Sep 01 0942 UTC
Synoptic Period: 0900-1200 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

07:29 UTC

Space Weather Message Code: ALTK05
Serial Number: 1278
Issue Time: 2019 Sep 01 0729 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Sep 01 0729 UTC
Synoptic Period: 0600-0900 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

07:29 UTC

Space Weather Message Code: WARK05
Serial Number: 1531
Issue Time: 2019 Sep 01 0729 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1530
Valid From: 2019 Aug 31 0244 UTC
Now Valid Until: 2019 Sep 01 1500 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

04:50 UTC

Space Weather Message Code: ALTK05
Serial Number: 1277
Issue Time: 2019 Sep 01 0450 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Sep 01 0450 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

03:01 UTC

Space Weather Message Code: ALTK05
Serial Number: 1276
Issue Time: 2019 Sep 01 0301 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Sep 01 0259 UTC
Synoptic Period: 0000-0300 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

lördag 31 augusti 2019

20:49 UTC

Space Weather Message Code: WARK05
Serial Number: 1530
Issue Time: 2019 Aug 31 2049 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1529
Valid From: 2019 Aug 31 0244 UTC
Now Valid Until: 2019 Sep 01 0900 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

20:49 UTC

Space Weather Message Code: WARK04
Serial Number: 3656
Issue Time: 2019 Aug 31 2049 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3655
Valid From: 2019 Aug 30 2035 UTC
Now Valid Until: 2019 Sep 01 1800 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

15:59 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2973
Issue Time: 2019 Aug 31 1559 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2019 Aug 31 1540 UTC
Station: GOES14


NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

14:21 UTC

Space Weather Message Code: ALTK06
Serial Number: 473
Issue Time: 2019 Aug 31 1421 UTC

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2019 Aug 31 1420 UTC
Synoptic Period: 1200-1500 UTC

Active Warning: Yes
NOAA Scale: G2 - Moderate

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

14:21 UTC

Space Weather Message Code: WARK06
Serial Number: 433
Issue Time: 2019 Aug 31 1421 UTC

EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 432
Valid From: 2019 Aug 31 1025 UTC
Now Valid Until: 2019 Aug 31 2100 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

12:28 UTC

Space Weather Message Code: ALTK05
Serial Number: 1275
Issue Time: 2019 Aug 31 1228 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Aug 31 1228 UTC
Synoptic Period: 1200-1500 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

12:01 UTC

Space Weather Message Code: ALTK05
Serial Number: 1274
Issue Time: 2019 Aug 31 1201 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Aug 31 1159 UTC
Synoptic Period: 0900-1200 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

10:26 UTC

Space Weather Message Code: WARK06
Serial Number: 432
Issue Time: 2019 Aug 31 1026 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2019 Aug 31 1025 UTC
Valid To: 2019 Aug 31 1500 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

10:26 UTC

Space Weather Message Code: WARK05
Serial Number: 1529
Issue Time: 2019 Aug 31 1026 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1528
Valid From: 2019 Aug 31 0244 UTC
Now Valid Until: 2019 Aug 31 2100 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

10:26 UTC

Space Weather Message Code: WARK04
Serial Number: 3655
Issue Time: 2019 Aug 31 1026 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3654
Valid From: 2019 Aug 30 2035 UTC
Now Valid Until: 2019 Sep 01 0600 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

10:16 UTC

Space Weather Message Code: ALTK05
Serial Number: 1273
Issue Time: 2019 Aug 31 1016 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Aug 31 1015 UTC
Synoptic Period: 0900-1200 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

05:49 UTC

Space Weather Message Code: ALTK05
Serial Number: 1272
Issue Time: 2019 Aug 31 0549 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2019 Aug 31 0546 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

02:44 UTC

Space Weather Message Code: WARK05
Serial Number: 1528
Issue Time: 2019 Aug 31 0244 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2019 Aug 31 0244 UTC
Valid To: 2019 Aug 31 1200 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

02:43 UTC

Space Weather Message Code: WARK04
Serial Number: 3654
Issue Time: 2019 Aug 31 0243 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3653
Valid From: 2019 Aug 30 2035 UTC
Now Valid Until: 2019 Aug 31 1800 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

01:37 UTC

Space Weather Message Code: ALTK04
Serial Number: 2120
Issue Time: 2019 Aug 31 0137 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2019 Aug 31 0130 UTC
Synoptic Period: 0000-0300 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

fredag 30 augusti 2019

20:35 UTC

Space Weather Message Code: WARK04
Serial Number: 3653
Issue Time: 2019 Aug 30 2035 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2019 Aug 30 2035 UTC
Valid To: 2019 Aug 31 0600 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

torsdag 29 augusti 2019

19:47 UTC

Space Weather Message Code: WATA30
Serial Number: 180
Issue Time: 2019 Aug 29 1947 UTC

WATCH: Geomagnetic Storm Category G2 Predicted

Highest Storm Level Predicted by Day:
Aug 30: None (Below G1) Aug 31: G1 (Minor) Sep 01: G2 (Moderate)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

onsdag 28 augusti 2019

18:35 UTC

Space Weather Message Code: WATA20
Serial Number: 862
Issue Time: 2019 Aug 28 1835 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Aug 29: None (Below G1) Aug 30: None (Below G1) Aug 31: G1 (Minor)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

tisdag 27 augusti 2019

05:34 UTC

Space Weather Message Code: WARK04
Serial Number: 3652
Issue Time: 2019 Aug 27 0534 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2019 Aug 27 0535 UTC
Valid To: 2019 Aug 27 0900 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

lördag 17 augusti 2019

13:50 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2972
Issue Time: 2019 Aug 17 1350 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2971
Begin Time: 2019 Aug 06 1015 UTC
Yesterday Maximum 2MeV Flux: 2115 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

fredag 16 augusti 2019

10:06 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2971
Issue Time: 2019 Aug 16 1006 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2970
Begin Time: 2019 Aug 06 1015 UTC
Yesterday Maximum 2MeV Flux: 5259 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

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