Vaata laupäev, 12 september 2015 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2015 Sep 12 1307 UTC

SIDC ennustus

Päikesepursked ehk loited

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

Geomagnetism

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

Päikese prootonid

Quiet

	10 cm vool	Ap
12 Sep 2015	093	023
13 Sep 2015	095	010
14 Sep 2015	098	014

Bülletään

Solar activity is still low with only B-class flares reported during last 24 hours. The background X-ray flux shows significant increase in last 12 hours, mostly due to the fast developing NOAA AR 12414 which currently has beta-gamma configuration of its photospheric magnetic field, and the NOAA AR 12415 which yesterday rotated to the visible side of the Sun. We expect C-class flares, in particular from NOAA ARs 12415 and 12414, and possibly also an isolated M-class flare. No Earth directed CMEs were observed in the last 24 hours.

The Earth is still inside the fast solar wind with the speed of about 550 km/s, and the interplanetary magnetic field magnitude is about 6 nT. The fast flow from the low latitude extension of the northern polar coronal hole which crossed the central meridian in the morning of September 09 is expected to arrive today. The elongated low latitude coronal hole, at north solar hemisphere, has crossed central meridian yesterday mid-day, the associated fast flow is expected to arrive at the Earth on September 14. Currently we have unsettled geomagnetic conditions and we expect unsettled to active geomagnetic conditions in the coming hours.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 083, põhineb 12 jaamadel.

Päikese indeksid 11 Sep 2015

Catania Wolfi number	///
10cm päikesevoog	///
AK Chambon La Forêt	///
AK Wingst	///
Hinnanguline Ap	///
Hinnanguline rahvusvaheline päikeselaikude arv	079 - Põhineb 26 jaamal

Märkimisväärsete sündmuste kokkuvõte

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

Kõik ajad UTC-s

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