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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2022 Feb 24 1231 UTC

Prognoza SIDC

Rozbłyski słoneczne

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

Geomagnetyzm

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

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
24 Feb 2022	096	007
25 Feb 2022	096	008
26 Feb 2022	098	015

Skrót wiadomości

NOAA region 2955 produced a B9.3 flare peaking at 02:54 UT on February 24. The chance for a C flare in the next 24 hours is estimated at 50%, mainly from regions 2954 and 2955.

A filament eruption took place around 05:00 UT on February 24 (20S 15E – 40S 30E), as observed in the AIA 19.3 and 30.4 nm channels. Another filament eruption took place around 08:00 UT (20S 30W – 20S 45W). 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 slightly exceeded the 1000 pfu threshold in the past 24 hours, and may exceed that threshold again in the next 24 hours. The greater than 2 MeV electron fluence was at nominal levels in the past 24 hours, and may reach moderate levels in the next 24 hours.

The solar wind speed as registered by DSCOVR varied between about 420 and 550 km/s in the past 24 hours, with current values near 490 km/s. The magnitude of the Interplanetary Magnetic Field near Earth (IMF) varied between about 0 and 7 nT, and its orientation fluctuated between away from the Sun and towards the Sun. There were no extended time intervals with Bz below -5 nT. A gradual decrease of solar wind conditions is expected on February 24 and 25. On February 26, enhanced solar wind levels are possible due to the expected arrival of a high speed stream from a positive polarity equatorial coronal hole.

Quiet geomagnetic conditions (K-BEL = 2; NOAA Kp between 1 and 3) were registered in the past 24 hours. Quiet to unsettled geomagnetic levels (K-BEL < 4) are expected on February 24 and 25, with a chance for active intervals (K-BEL = 4). Active intervals (K-BEL = 4) are possible on February 26, with a slight chance for minor storm intervals (K-BEL = 5), due to the expected arrival of a high speed stream from a positive polarity equatorial coronal hole.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 037, na podstawie 15 stacji.

Indeksy solarne na 23 Feb 2022

Liczba Wolfa z Katanii	038
Fale radiowe 10,7 cm	096
AK Chambon La Forêt	017
AK Wingst	008
Szacunkowa Ap	007
Szacowana międzynarodowa liczba plam słonecznych	037 - Na podstawie stacji 22

Podsumowanie wydarzeń godnych uwagi

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

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