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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2020 Jan 31 1231 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
31 Jan 2020	074	010
01 Feb 2020	073	007
02 Feb 2020	073	007

Skrót wiadomości

The solar activity was at very low levels over the past 24 hours. No significant solar flares have been observed. Catania sunspot group 28 (NOAA Active Region 2757) was stable and remained inactive. The solar activity is expected to remain at very low levels in the next 24 hours with quiet flaring conditions.

No Earth-directed coronal mass ejections have been observed in the available coronagraph imagery. The greater than 10 MeV solar proton flux was at nominal levels and is expected to remain so.

In the past 24 hours the solar wind speed remained slightly enhanced under the influence of a negative polarity coronal hole and increased from around 400 to 520 km/s. The total interplanetary magnetic field strength was in the range of within 5-8nT in the beginning of the period and has decreased to below 3nT at 12 UTC today. The Bz component was mostly negative with a minimum value of -7 nT. The solar wind conditions are expected to remain enhanced over the next 24 hours.

Geomagnetic activity has varied from quiet to active with K Dourbes and NOAA Kp indices in the ranges 1-4 and 2-4, respectively. Over the next 24 hours the geomagnetic conditions are expected to be quiet to unsettled. Isolated active periods can be expected as the solar wind remain under the influence of a negative polarity coronal hole which is facilitated by the sustained negative Bz component.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 011, na podstawie 10 stacji.

Indeksy solarne na 30 Jan 2020

Liczba Wolfa z Katanii	///
Fale radiowe 10,7 cm	074
AK Chambon La Forêt	026
AK Wingst	018
Szacunkowa Ap	016
Szacowana międzynarodowa liczba plam słonecznych	012 - Na podstawie stacji 19

Podsumowanie wydarzeń godnych uwagi

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

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