Przeglądasz Archiwum z czwartek, 24 września 2020

Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2020 Sep 24 1230 UTC

Prognoza SIDC

Rozbłyski słoneczne

Quiet conditions (<50% probability of C-class flares)

Geomagnetyzm

Active conditions expected (A>=20 or K=4)

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
24 Sep 2020	073	019
25 Sep 2020	074	021
26 Sep 2020	075	015

Skrót wiadomości

The AR that rotated into view yesterday has been given NOAA AR number 2773, it has three sunspots and beta magnetic field configuration. It has only produced B-class flares in the past 24 hours, C-class flares are possible but unlikely.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours. The greater than 2 MeV electron flux was at nominal levels in the past 24 hours, it can go above the threshold in the next 24 hours.

Solar wind speed near Earth as registered by DSCOVR increased steadily from 360 to 535 km/s in the past 24 hours. The Interplanetary Magnetic Field is directed away from the Sun (positive) but showed alternating orientations in the past 24 hours. It had a magnitude between 3 nT and 11 nT. Bz reached -9 nT. These values mark the arrival of the high speed stream from the low latitudinal extension of the northern polar coronal hole.

The arrival of the high speed stream has created minor storm conditions both locally and at planetary levels (K Dourbes = 5 at 09:00 UT and Kp = 5 at 06:00 UT), due to several hours of Bz close to -9 nT. The solar wind speed may still go up in the next 24-48 hours, since the shape of the coronal hole is irregular. More active to minor storm periods can occur then.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 003, na podstawie 18 stacji.

Indeksy solarne na 23 Sep 2020

Liczba Wolfa z Katanii	011
Fale radiowe 10,7 cm	073
AK Chambon La Forêt	023
AK Wingst	017
Szacunkowa Ap	016
Szacowana międzynarodowa liczba plam słonecznych	010 - Na podstawie stacji 22

Podsumowanie wydarzeń godnych uwagi

Dostarczone przez Centrum Analizy Danych Wpływów Słonecznych© - SIDC - Przetworzone przez SpaceWeatherLive

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