Vaata esmaspäev, 18 august 2014 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2014 Aug 18 1232 UTC

SIDC ennustus

Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

	10 cm vool	Ap
18 Aug 2014	119	008
19 Aug 2014	124	008
20 Aug 2014	129	021

Bülletään

Solar activity was low with only an isolated C1.8 flare peaking at 19:48UT from NOAA AR 2146 while NOAA AR 2144 continued to produce a couple of moderate to high level B class flares. No Earth directed CME's were recorded. Solar activity is expected to remain low with only a slight chance for an M class flare. Solar wind speed remained around the 300 km/s level. The reporting period was marked by a couple of sector boundary crossings. After a short excursion in the negative sector at the start of the reporting period, the phi angle restored to a positive sector. It was later steadily negative between approximately 20:00 UT and 5:00 UT, but is now again positive. These sector boundary crossings were associated with some magnetic field variabilities. A negative Bz of up to -6nT just before the reporting period was associated with unsettled geomagnetic conditions after UT noon August 17 (both NOAA Kp and local K Dourbes 3). Another local period of unsettled conditions was recorded around 9:00 UT (local K Dourbes 3). Nominal wind conditions, and corresponding quiet to unsettled geomagnetic conditions are expected to continue at first. But late August 19 some period of active conditions can be expected associated with the arrival of the August 15 CME.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 074, põhineb 14 jaamadel.

Päikese indeksid 17 Aug 2014

Catania Wolfi number	///
10cm päikesevoog	115
AK Chambon La Forêt	011
AK Wingst	008
Hinnanguline Ap	008
Hinnanguline rahvusvaheline päikeselaikude arv	081 - Põhineb 21 jaamal

Märkimisväärsete sündmuste kokkuvõte

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

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