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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2016 Feb 24 1230 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
24 Feb 2016	090	008
25 Feb 2016	090	012
26 Feb 2016	088	007

Bulletin

Solar activity was very low during the period. The X-ray flux remained below C level and no significant flaring has been recorded. The spotted regions on disk showed no significant development. Flaring at C level is not expected over the next period although it remains possible, mostly due to Catania group 25 (NOAA 2505). No Earth directed CMEs have been recorded. Solar wind was in a low speed regime with velocity in the 300-400 km/s range. Total magnetic field increased during the period reaching almost 8 nT. The North-South component of the magnetic field was mostly negative (south), and the magnetic field phi angle was now more clearly in the negative sector. Quiet geomagnetic conditions with some periods of unsettled conditions in response to the negative Bz values were recorded. (both local K Dourbes and NOAA Kp 1-3). Nominal solar wind conditions with associated quiet geomagnetic conditions are expected to continue. Although the possible influence of a weak high speed stream from the extensions of the Northern polar coronal hole may, from later today onwards, slightly increase solar wind conditions leading possibly to more unsettled geomagnetic conditions.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 034, na základě 17 stanic.

Solární indexy za 23 Feb 2016

Wolfovo číslo Catania	055
10cm sluneční tok	091
AK Chambon La Forêt	013
AK Wingst	007
Odhadovaný Ap	006
Odhadovaný mezinárodní počet slunečních skvrn	040 - Na základě 25 stanic

Souhrn významných událostí

Poskytuje Centrum pro analýzu dat o solárních vlivech© - SIDC - Zpracováno SpaceWeatherLive

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