Przeglądasz Archiwum z czwartek, 31 sierpnia 2017

Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2017 Aug 31 1230 UTC

Prognoza SIDC

Rozbłyski słoneczne

C-class flares expected, (probability >=50%)

Geomagnetyzm

Minor storm expected (A>=30 or K=5)

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
31 Aug 2017	088	039
01 Sep 2017	087	035
02 Sep 2017	087	031

Skrót wiadomości

Over the past 24 hours solar activity remained low. There are currently tree active regions on the visible discs. Catania group 47 (NOAA region 2674) produced several C-class flare, the major one was a C5.2-class flare peaking at 18:50. Catania group 43 (NOAA region 2672) produced only B-class flare and narrow CMEs. We expect the solar activity to remain low with a probability of few sporadic C-class flare.

No Earth directed Coronal Mass Ejections (CMEs) have been detected in the available coronagraph imagery and the solar protons remains at background level.

The high speed stream has arrived and the Earth is presently inside the fast solar wind with the speed that increased up to 700 km/s according to ACE data. The interplanetary magnetic field magnitude reached 30 nT around 06:00UT on August 31 and has now decreased and remains below 10 nT. The Bz component has fluctuating between -20 and 20 nT and remains now around -5 nT.

The active geomagnetic conditions observed on August, 29 (Kp and K-Dourbes = 4) turned out to be caused by a sector boundary crossing, which was announcing the soon arrival of the high speed stream. After returning to quiet levels, the geomagnetic conditions have become active again around 08:00 UT (Kp=5 and K-Dourbes=4) due to the arrival of the high speed stream. K-Dourbes has then reached 6 at 10:00 UT. The geomagnetic conditions will remain disturbed for the next 48 h with active to minor storm conditions expected.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 068, na podstawie 23 stacji.

Indeksy solarne na 30 Aug 2017

Liczba Wolfa z Katanii	049
Fale radiowe 10,7 cm	087
AK Chambon La Forêt	007
AK Wingst	003
Szacunkowa Ap	004
Szacowana międzynarodowa liczba plam słonecznych	047 - Na podstawie stacji 27

Podsumowanie wydarzeń godnych uwagi

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

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