Prohlížíte si archiv úterý 31. prosince 2019

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2019 Dec 31 1231 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
31 Dec 2019	072	004
01 Jan 2020	072	014
02 Jan 2020	072	007

Bulletin

The Sun is spotless and did not produce any flares in the past 24 hours. 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 ACE varied between about 275 and 325 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was directed towards the Sun, and its magnitude varied between about 2 and 8 nT. Bz was never below -5 nT. Quiet to mildly enhanced solar wind conditions are expected in the next 24 hours.

Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 2) were registered in the past 24 hours. Quiet to unsettled geomagnetic levels (K Dourbes < 4) are expected on December 31 and on January 1 and 2, with a chance for active intervals (K Dourbes = 4) due to the influence of a weak solar wind stream associated with a negative polarity coronal hole.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 12 stanic.

Solární indexy za 30 Dec 2019

Wolfovo číslo Catania	///
10cm sluneční tok	071
AK Chambon La Forêt	///
AK Wingst	002
Odhadovaný Ap	002
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 28 stanic

Souhrn významných událostí

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

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