Przeglądasz Archiwum z piątek, 29 stycznia 2021

Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2021 Jan 29 1235 UTC

Prognoza SIDC

Rozbłyski słoneczne

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

Geomagnetyzm

Quiet (A<20 and K<4)

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
29 Jan 2021	075	002
30 Jan 2021	075	003
31 Jan 2021	074	003

Skrót wiadomości

Solar activity was at low levels over the past 24 hours. NOAA AR 2797 and NOAA AR 2800 decayed into plage regions, leaving no numbered active regions on the solar disk. Despite this decay, former NOAA AR 2800 produced two low level B-class flares over the last 24 hours, with associated on disk signatures of eruptions. Solar activity is expected to remain at low levels.

No Earth directed Coronal Mass Ejections (CMEs) have been detected in the available coronagraphic imagery. Possible eruptions associated with the B3.2 flare at 23:26 UT Jan 28 and the B2.5 flare at 10:08 UT Jan 29 will be analysed when the coronagraph observations become available.

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours and is expected to remain so for the next 24 hours. The greater than 2 MeV electron flux exceeded the 1000 pfu threshold for most of the time during the past 24 hours. The electron flux is expected to remain above this alert level during most of the next period. The 24h electron fluence was at moderate levels and is expected to continue at moderate levels over the next 24 hours.

Over the past 24 hours, the solar wind speed decreased from around 480 to 370 km/s (DSCOVR). The total magnetic field strength fluctuated between 1 and 4 nT. Bz had a minimum value of -3 nT. The interplanetary magnetic field was predominantly directed towards the Sun (phi angle in the negative sector). Over the next 24 hours, the solar wind parameters are expected to reflect a slow solar wind regime.

Geomagnetic conditions were at quiet levels (NOAA Kp and local k Dourbes recorded values between 0-2.) Geomagnetic conditions are expected to be at quiet levels for the next 24 hours.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 000, na podstawie 11 stacji.

Indeksy solarne na 28 Jan 2021

Liczba Wolfa z Katanii	///
Fale radiowe 10,7 cm	076
AK Chambon La Forêt	005
AK Wingst	///
Szacunkowa Ap	003
Szacowana międzynarodowa liczba plam słonecznych	005 - Na podstawie stacji 13

Podsumowanie wydarzeń godnych uwagi

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

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