Vaata neljapäev, 15 detsember 2016 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2016 Dec 15 1259 UTC

SIDC ennustus

Päikesepursked ehk loited

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

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

Päikese prootonid

Quiet

	10 cm vool	Ap
15 Dec 2016	072	004
16 Dec 2016	070	014
17 Dec 2016	069	006

Bülletään

There are presently two numbered sunspot groups on the visible side of the solar disc, the newly emerged NOAA AR 2618, and NOAA AR 2617 which is rotating across the west solar limb. The only reported flare during last 24 hours was B2.5 flare from NOAA AR 2617, which peaked at 03:30 UT today. We expect solar activity to remain on the same low level, with very small probability for isolated C-class flare. No Earth directed CMEs were observed in the last 24 hours. The solar wind speed is still decreasing and it presently amounts about 410 km/s, and the interplanetary magnetic field magnitude remained at the same level of about 4nT. The fast solar wind associated with the small coronal holes which reached the central meridian in the morning of December 12 and 13 is expected to arrive at the Earth today and tomorrow, respectively. The geomagnetic conditions are presently quiet. We expect unsettled to active conditions starting later today, due to arrival of the fast solar wind.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 012, põhineb 17 jaamadel.

Päikese indeksid 14 Dec 2016

Catania Wolfi number	///
10cm päikesevoog	072
AK Chambon La Forêt	006
AK Wingst	004
Hinnanguline Ap	003
Hinnanguline rahvusvaheline päikeselaikude arv	023 - Põhineb 22 jaamal

Märkimisväärsete sündmuste kokkuvõte

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

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