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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2019 Apr 07 1237 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
07 Apr 2019	076	008
08 Apr 2019	076	007
09 Apr 2019	076	007

Bulletin

Returning region NOAA 2736 at the East limb produced several B flares. The brightest flare was a B9 flare peaking at 11:00 UT on April 7. The chance for a C flare in the next 24 hours is estimated at 50%, especially from returning region 2736.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

Solar wind speed near Earth as registered by DSCOVR varied between about 385 and 530 km/s in the past 24 hours, with current values around 400 km/s. The Interplanetary Magnetic Field (IMF) was directed predominantly towards the Sun and its magnitude varied between about 2 and 4 nT, with current values around 3 nT. Bz was never below -5 nT.

Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 1 and 2) were registered in the past 24 hours. Quiet to unsettled levels (K Dourbes < 4) are expected in the second half of April 7, and on April 8 and 9.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 011, na základě 16 stanic.

Solární indexy za 06 Apr 2019

Wolfovo číslo Catania	///
10cm sluneční tok	074
AK Chambon La Forêt	011
AK Wingst	008
Odhadovaný Ap	008
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 18 stanic

Souhrn významných událostí

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

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