Przeglądasz Archiwum z piątek, 30 lipca 2021

Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2021 Jul 30 1231 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
30 Jul 2021	075	004
31 Jul 2021	076	005
01 Aug 2021	078	005

Skrót wiadomości

The visible solar disc is spotless and the X-ray flux is below B-level. The solar activity is expected to remain at low levels over the next 24 hours.

No Earth directed Coronal Mass Ejection (CME) has been detected in the available coronagraph imagery.

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 was below the 1000 pfu threshold in the past 24 hours. The greater than 2 MeV electron flux may slightly increase during the next 24 hours due to the high-speed streams. The 24h electron fluence was at normal levels in the last 24 hours and may also slightly increase for the next 24 hours.

The solar wind parameters (as observed by ACE and DSCOVR) show some indications of a slow return towards an ambient background and slow solar wind speed regime. Solar wind speed decreased from 570 to near about 450 km/s. Total interplanetary magnetic field strength remained below 7 nT. The Bz component underwent only weak deviations (between -4 nT and +4 nT), with no prolonged period of southward direction. The solar wind conditions are expected to continue it slow returned toward a slow solar wind speed regime. The solar wind may be temporarily slightly enhanced later on July 30 due to some possible effect of the arrival of the coronal mass ejection observed on July 27 at 03:24 UTC (with a projected speed of 388 km/s).

The geomagnetic conditions were quiet over the past 24 hours. The conditions are expected to remain mostly quiet as the Earth is expected to remain in the mostly slow solar wind speed regime for the next 24 hours.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 000, na podstawie 24 stacji.

Indeksy solarne na 29 Jul 2021

Liczba Wolfa z Katanii	013
Fale radiowe 10,7 cm	076
AK Chambon La Forêt	013
AK Wingst	012
Szacunkowa Ap	011
Szacowana międzynarodowa liczba plam słonecznych	002 - Na podstawie stacji 33

Podsumowanie wydarzeń godnych uwagi

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

Wszystkie czasy w UTC

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