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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2014 Dec 30 1220 UTC

Prognoza SIDC

Rozbłyski słoneczne

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

Geomagnetyzm

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

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
30 Dec 2014	131	021
31 Dec 2014	130	006
01 Jan 2015	129	007

Skrót wiadomości

There are currently 7 sunspot regions visible on the solar disk. Only two C-class flares were recorded. The strongest one was a C2 flare produced by NOAA 2251 peaking at 06:46UT. Some coronal dimming was noted, but no radio-burst has been reported so far. The flare also destabilized the nearby, 35-degrees long filament on the northern hemisphere. There are no coronagraphic images yet to assess any CME activity related to these events. Further C-class flaring is likely, in particular from NOAA 2250, NOAA 2251 and a new, as yet unnumbered region near the southeast limb. Minor geomagnetic storming (K=5) was observed during the last 24 hours in response to a high speed stream. After steadying around 540 km/s, solar wind speed picked up again after 16:00UT and gradually increased till maximum vallues near 750 km/s were reached around 03:00UT. After 05:00UT, the speed gradually decreased to a current value of 670 km/s. Bz fluctuated wildly between -11 and +11 nT from 15:00UT till 01:00UT, then gradually varied to a fluctuation between -5 and +4 nT. A gradual evolution to quiet and unsettled conditions is expected, though a brief active episode remains possible. The extension of a southern polar coronal hole is approaching the CM. During its previous passage, the high speed stream from this CH was responsible for minor geomagnetic storming. Similar conditions can be expected on 04-05 January.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 071, na podstawie 14 stacji.

Indeksy solarne na 29 Dec 2014

Liczba Wolfa z Katanii	///
Fale radiowe 10,7 cm	132
AK Chambon La Forêt	038
AK Wingst	025
Szacunkowa Ap	025
Szacowana międzynarodowa liczba plam słonecznych	068 - Na podstawie stacji 25

Podsumowanie wydarzeń godnych uwagi

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

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