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.

giovedì, 9 gennaio 2020

09:04 UTC

Space Weather Message Code: ALTK04
Serial Number: 2141
Issue Time: 2020 Jan 09 0904 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020 Jan 09 0855 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.

07:00 UTC

Space Weather Message Code: WARK04
Serial Number: 3699
Issue Time: 2020 Jan 09 0700 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020 Jan 09 0700 UTC
Valid To: 2020 Jan 09 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.

domenica, 5 gennaio 2020

23:23 UTC

Space Weather Message Code: WARK04
Serial Number: 3698
Issue Time: 2020 Jan 05 2323 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3697
Valid From: 2020 Jan 05 1903 UTC
Now Valid Until: 2020 Jan 06 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.

21:03 UTC

Space Weather Message Code: ALTK04
Serial Number: 2140
Issue Time: 2020 Jan 05 2103 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020 Jan 05 2059 UTC
Synoptic Period: 1800-2100 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.

19:03 UTC

Space Weather Message Code: WARK04
Serial Number: 3697
Issue Time: 2020 Jan 05 1903 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020 Jan 05 1903 UTC
Valid To: 2020 Jan 05 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.

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1%

Notizie sul meteo spaziale

Ultimo X-flare:2017/09/10X8.2
Ultimo M-flare:2017/10/20M1.0
Ultima tempesta geomagnetica:2019/10/26Kp5 (G1)
Numero di giorni senza macchie nel 2020:13
Attuali giornate senza macchie:12

Questo giorno nella storia*

Flares solari
11999M1.4
22015M1.4
32002M1.3
42003M1.2
52000M1.0
ApG
1200464G3
2200533G2
3201224G1
4200022G1
5200319G1
*dal 1994

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