Prohlížíte si archiv pondělí 23. července 2018

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2018 Jul 23 1230 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

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

Sluneční protony

Quiet

	10cm tok	Ap
23 Jul 2018	068	003
24 Jul 2018	068	017
25 Jul 2018	068	024

Bulletin

The Sun produced no flares in the past 24 hours. Active region NOAA AR 2716 decayed and lost its sunspots in the past 24 hours, leaving the visible solar disc spotless. The chance for a C flare in the next 24 hours is estimated at only 1%.

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 decreased from about 520 to 420 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was predominantly directed away from the Sun and its magnitude varied between about 1 and 5 nT. Bz was never below -5 nT.

Quiet to unsettled geomagnetic conditions (K Dourbes between 0 and 3; NOAA Kp between 0 and 1) were registered in the past 24 hours. Quiet to unsettled levels (K Dourbes < 4) are expected on July 23. Active geomagnetic conditions (K Dourbes = 4) are possible on July 24 and 25 due to the influence of an expected high speed stream from a negative polarity equatorial coronal hole, with a chance for minor storm intervals (K Dourbes = 5).

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 25 stanic.

Solární indexy za 22 Jul 2018

Wolfovo číslo Catania	///
10cm sluneční tok	068
AK Chambon La Forêt	007
AK Wingst	007
Odhadovaný Ap	005
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 27 stanic

Souhrn významných událostí

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

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