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.

domenica, 16 dicembre 2018

14:16 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2885
Issue Time: 2018 Dec 16 1416 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2884
Begin Time: 2018 Dec 10 2010 UTC
Yesterday Maximum 2MeV Flux: 1273 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, 15 dicembre 2018

13:52 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2884
Issue Time: 2018 Dec 15 1352 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2883
Begin Time: 2018 Dec 10 2010 UTC
Yesterday Maximum 2MeV Flux: 2388 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, 14 dicembre 2018

13:05 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2883
Issue Time: 2018 Dec 14 1305 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2882
Begin Time: 2018 Dec 10 2010 UTC
Yesterday Maximum 2MeV Flux: 2117 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, 13 dicembre 2018

12:08 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2882
Issue Time: 2018 Dec 13 1208 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2881
Begin Time: 2018 Dec 10 2010 UTC
Yesterday Maximum 2MeV Flux: 2453 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, 12 dicembre 2018

09:31 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2881
Issue Time: 2018 Dec 12 0931 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2880
Begin Time: 2018 Dec 10 2010 UTC
Yesterday Maximum 2MeV Flux: 2715 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.

martedì, 11 dicembre 2018

13:00 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2880
Issue Time: 2018 Dec 11 1300 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2879
Begin Time: 2018 Dec 10 2010 UTC
Yesterday Maximum 2MeV Flux: 1081 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.

lunedì, 10 dicembre 2018

20:26 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2879
Issue Time: 2018 Dec 10 2026 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2018 Dec 10 2010 UTC
Station: GOES-15


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, 9 dicembre 2018

23:04 UTC

Space Weather Message Code: ALTK04
Serial Number: 2091
Issue Time: 2018 Dec 09 2304 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Dec 09 2304 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.

22:43 UTC

Space Weather Message Code: WARK04
Serial Number: 3571
Issue Time: 2018 Dec 09 2243 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Dec 09 2244 UTC
Valid To: 2018 Dec 10 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.

venerdì, 7 dicembre 2018

19:45 UTC

Space Weather Message Code: WARK04
Serial Number: 3570
Issue Time: 2018 Dec 07 1945 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Dec 07 1945 UTC
Valid To: 2018 Dec 08 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.

lunedì, 3 dicembre 2018

18:35 UTC

Space Weather Message Code: WATA20
Serial Number: 847
Issue Time: 2018 Dec 03 1835 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Dec 04: None (Below G1) Dec 05: G1 (Minor) Dec 06: None (Below G1)

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.

15:07 UTC

Space Weather Message Code: WARK04
Serial Number: 3569
Issue Time: 2018 Dec 03 1507 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Dec 03 1510 UTC
Valid To: 2018 Dec 03 2200 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, 2 dicembre 2018

23:59 UTC

Space Weather Message Code: ALTK04
Serial Number: 2090
Issue Time: 2018 Dec 02 2359 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Dec 02 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.

23:51 UTC

Space Weather Message Code: WARK04
Serial Number: 3568
Issue Time: 2018 Dec 02 2351 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Dec 02 2350 UTC
Valid To: 2018 Dec 02 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.

sabato, 1 dicembre 2018

17:25 UTC

Space Weather Message Code: WARK04
Serial Number: 3567
Issue Time: 2018 Dec 01 1725 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Dec 01 1725 UTC
Valid To: 2018 Dec 02 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.

giovedì, 29 novembre 2018

14:38 UTC

Space Weather Message Code: WATA20
Serial Number: 846
Issue Time: 2018 Nov 29 1438 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Nov 30: None (Below G1) Dec 01: G1 (Minor) Dec 02: 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.

mercoledì, 28 novembre 2018

18:18 UTC

Space Weather Message Code: WATA20
Serial Number: 845
Issue Time: 2018 Nov 28 1818 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Nov 29: None (Below G1) Nov 30: None (Below G1) Dec 01: 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.

martedì, 20 novembre 2018

05:20 UTC

Space Weather Message Code: WARK04
Serial Number: 3566
Issue Time: 2018 Nov 20 0520 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Nov 20 0521 UTC
Valid To: 2018 Nov 20 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.

I dati attuali suggeriscono che al momento non è possibile vedere l'aurora alle medie latitudini
La velocità del vento solare è attualmente moderatamente alta (512,4 km/sec.)

Ultime notizie

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Ultimo X-flare:2017/09/10X8.2
Ultimo M-flare:2017/10/20M1.0
Ultima tempesta geomagnetica:2018/11/05Kp6 (G2)
Numero di giorni senza macchie nel 2018:209
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