Vaata reede, 19 detsember 2014 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2014 Dec 19 1223 UTC

SIDC ennustus

Päikesepursked ehk loited

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

Geomagnetism

Minor storm expected (A>=30 or K=5)

Päikese prootonid

Warning condition (activity levels expected to increase, but no numeric forecast given)

	10 cm vool	Ap
19 Dec 2014	210	008
20 Dec 2014	210	029
21 Dec 2014	210	014

Bülletään

The Sun released two M flares and seven high C flares during the past 24 hours. Most flares were produced by NOAA AR 2242 and 2241. An M6.9 flare was released by AR 2241 and peaked at 21:58 UT on December 18. An associated Type II radio burst was observed by the Palehua station on Hawaii, with an estimated shock speed of 664 km/s. LASCO C3 shows images of a probably associated halo CME after a data gap, first observed at 00:27 UT on December 19. Based on the estimated Type II shock speed, it is estimated that this CME will arrive at Earth around 0h UT on December 22. The second M flare was an M1.3 flare released by AR 2237 around 9:44 UT on December 19. There is a chance for proton storms in the days ahead. During the past 24 hours, solar wind speeds observed by ACE were nominal between about 330 and 430 km/s. The magnitude of the Interplanetary Magnetic Field (IMF) fluctuated between about 6 to 8 nT. During the past 24 hours, geomagnetic conditions were quiet (K Dourbes between 0 and 3; NOAA Kp between 1 and 3). Quiet geomagnetic levels (K Dourbes < 4) are expected on December 19. Active (K Dourbes = 4) to minor storm conditions (K Dourbes = 5) are possible on December 20 and 21 in view of the expected arrival of the halo CME from December 17.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 119, põhineb 07 jaamadel.

Päikese indeksid 18 Dec 2014

Catania Wolfi number	197
10cm päikesevoog	213
AK Chambon La Forêt	011
AK Wingst	006
Hinnanguline Ap	006
Hinnanguline rahvusvaheline päikeselaikude arv	123 - Põhineb 12 jaamal

Märkimisväärsete sündmuste kokkuvõte

Andmed on esitanud Päikeseinfektide Andmeanalüüsi Keskus (Solar Influences Data Analysis Center)© - SIDC - Töötleb SpaceWeatherLive

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