NOAA SWPC Avvisi, Osservazioni e Avvertenze

Il National Oceanic and Atmospheric Administration Space Weather Prediction Center (NOAA SWPC) è l'agenzia governativa ufficiale meteorologica spaziale dagli Stati Uniti che fornisce allarmi, allerte e avvertenze per i disturbi atmosferici. Di seguito troverete gli avvisi più recenti sugli eventi meteorologici, gli allarmi e gli avvisi emessi dal NOAA SWPC.

sabato, 18 agosto 2018

14:26 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2820
Issue Time: 2018 Aug 18 1426 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2018 Aug 18 1410 UTC
Station: GOES15


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.

08:09 UTC

Space Weather Message Code: ALTK04
Serial Number: 2069
Issue Time: 2018 Aug 18 0809 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Aug 18 0808 UTC
Synoptic Period: 0600-0900 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.

05:59 UTC

Space Weather Message Code: WARK04
Serial Number: 3514
Issue Time: 2018 Aug 18 0559 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Aug 18 0600 UTC
Valid To: 2018 Aug 18 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.

venerdì, 17 agosto 2018

04:13 UTC

Space Weather Message Code: ALTK04
Serial Number: 2068
Issue Time: 2018 Aug 17 0413 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Aug 17 0412 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.

03:45 UTC

Space Weather Message Code: WARK04
Serial Number: 3513
Issue Time: 2018 Aug 17 0345 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Aug 17 0345 UTC
Valid To: 2018 Aug 17 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.

giovedì, 16 agosto 2018

02:03 UTC

Space Weather Message Code: WARK04
Serial Number: 3512
Issue Time: 2018 Aug 16 0203 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3511
Valid From: 2018 Aug 15 2215 UTC
Now Valid Until: 2018 Aug 16 1000 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.

00:02 UTC

Space Weather Message Code: ALTK04
Serial Number: 2067
Issue Time: 2018 Aug 16 0002 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Aug 15 2359 UTC
Synoptic Period: 2100-2359 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.

mercoledì, 15 agosto 2018

22:12 UTC

Space Weather Message Code: WARK04
Serial Number: 3511
Issue Time: 2018 Aug 15 2212 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Aug 15 2215 UTC
Valid To: 2018 Aug 16 0300 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.

13:55 UTC

Space Weather Message Code: ALTK04
Serial Number: 2066
Issue Time: 2018 Aug 15 1355 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Aug 15 1350 UTC
Synoptic Period: 1200-1500 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.

11:42 UTC

Space Weather Message Code: WARK04
Serial Number: 3510
Issue Time: 2018 Aug 15 1142 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Aug 15 1142 UTC
Valid To: 2018 Aug 15 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.

domenica, 12 agosto 2018

00:00 UTC

Space Weather Message Code: ALTK04
Serial Number: 2065
Issue Time: 2018 Aug 12 0000 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Aug 11 2359 UTC
Synoptic Period: 2100-2400 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.

sabato, 11 agosto 2018

14:36 UTC

Space Weather Message Code: WARK04
Serial Number: 3509
Issue Time: 2018 Aug 11 1436 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Aug 11 1436 UTC
Valid To: 2018 Aug 11 2359 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.

martedì, 7 agosto 2018

14:21 UTC

Space Weather Message Code: WARK04
Serial Number: 3508
Issue Time: 2018 Aug 07 1421 UTC

CANCEL WARNING: Geomagnetic K-index of 4 expected
Cancel Serial Number: 3507
Original Issue Time: 2018 Aug 07 1341 UTC

Comment: Date error

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.

13:41 UTC

Space Weather Message Code: WARK04
Serial Number: 3507
Issue Time: 2018 Aug 07 1341 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Aug 10 1341 UTC
Valid To: 2018 Aug 10 1600 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.

lunedì, 30 luglio 2018

16:37 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2819
Issue Time: 2018 Jul 30 1637 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2818
Begin Time: 2018 Jul 25 1355 UTC
Yesterday Maximum 2MeV Flux: 3181 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.

domenica, 29 luglio 2018

15:08 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2818
Issue Time: 2018 Jul 29 1508 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2817
Begin Time: 2018 Jul 25 1355 UTC
Yesterday Maximum 2MeV Flux: 3095 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.

sabato, 28 luglio 2018

12:46 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2817
Issue Time: 2018 Jul 28 1246 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2816
Begin Time: 2018 Jul 25 1355 UTC
Yesterday Maximum 2MeV Flux: 3946 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.

venerdì, 27 luglio 2018

10:18 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2816
Issue Time: 2018 Jul 27 1018 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2815
Begin Time: 2018 Jul 25 1355 UTC
Yesterday Maximum 2MeV Flux: 2572 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.

giovedì, 26 luglio 2018

12:33 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2815
Issue Time: 2018 Jul 26 1233 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2814
Begin Time: 2018 Jul 25 1355 UTC
Yesterday Maximum 2MeV Flux: 3987 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.

mercoledì, 25 luglio 2018

14:02 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2814
Issue Time: 2018 Jul 25 1402 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2018 Jul 25 1355 UTC
Station: GOES15


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.

martedì, 24 luglio 2018

22:07 UTC

Space Weather Message Code: ALTK04
Serial Number: 2064
Issue Time: 2018 Jul 24 2207 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Jul 24 2207 UTC
Synoptic Period: 2100-2400 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.

17:46 UTC

Space Weather Message Code: WARK04
Serial Number: 3506
Issue Time: 2018 Jul 24 1746 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3505
Valid From: 2018 Jul 24 0905 UTC
Now Valid Until: 2018 Jul 25 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 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.

09:05 UTC

Space Weather Message Code: WARK04
Serial Number: 3505
Issue Time: 2018 Jul 24 0905 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Jul 24 0905 UTC
Valid To: 2018 Jul 24 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.

02:23 UTC

Space Weather Message Code: ALTK04
Serial Number: 2063
Issue Time: 2018 Jul 24 0223 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Jul 24 0223 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.

01:42 UTC

Space Weather Message Code: WARK04
Serial Number: 3504
Issue Time: 2018 Jul 24 0142 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Jul 24 0144 UTC
Valid To: 2018 Jul 24 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.

sabato, 21 luglio 2018

18:31 UTC

Space Weather Message Code: WATA20
Serial Number: 834
Issue Time: 2018 Jul 21 1831 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Jul 22: None (Below G1) Jul 23: None (Below G1) Jul 24: 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.

13:33 UTC

Space Weather Message Code: WARK04
Serial Number: 3503
Issue Time: 2018 Jul 21 1333 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Jul 21 1334 UTC
Valid To: 2018 Jul 21 2359 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.

I dati attuali suggeriscono che al momento non è possibile vedere l'aurora alle medie latitudini

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