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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2014 Apr 19 1330 UTC

Prognoza SIDC

Rozbłyski słoneczne

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

Geomagnetyzm

Quiet (A<20 and K<4)

Monitoring przepływu protonów

Proton event in progress (>10 MeV)

	strumień 10cm	Ap
19 Apr 2014	170	016
20 Apr 2014	173	009
21 Apr 2014	170	032

Skrót wiadomości

Ten sunspot groups were reported by NOAA today. Two of them (NOAA ARs 2036 and 2037) have beta-gamma configuration of the photospheric magnetic field (although the NOAA AR 2037 is strongly decaying), and NOAA AR 2035 has beta-gamma-delta. Since yesterday's M-flare, only weak C-class flares were detected, the strongest one being the C2.1 flare peaking at 03:26 UT today in a tiny sunspot group at S19E66 that seems to start emerging. A number of C-class flares was also observed in the sunspot group that just appeared from behind the south-east solar limb (returning NOAA AR 2021). We expect further flaring activity on the C-level, with a good chance for another M-class event. The proton event produced by the halo CME of April 18 is still going on. The solar wind speed is currently around 500 km/s and the interplanetary magnetic field magnitude is around 7-8 nT. The north-south IMF component Bz fluctuates between positive and negative values, so the geomagnetic situation remains mostly quiet, with only occasional intervals of K = 4 reported by Dourbes, IZMIRAN and NOAA. The geomagnetic conditions will probably be quiet to unsettled until April 21, when we expect the arrival of the ICME (or the shock driven by it) corresponding to the halo CME observed on April 18. A geomagnetic storm (with K index probably up to 6) may result.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 124, na podstawie 12 stacji.

Indeksy solarne na 18 Apr 2014

Liczba Wolfa z Katanii	///
Fale radiowe 10,7 cm	172
AK Chambon La Forêt	///
AK Wingst	008
Szacunkowa Ap	008
Szacowana międzynarodowa liczba plam słonecznych	136 - Na podstawie stacji 20

Podsumowanie wydarzeń godnych uwagi

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

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