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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2019 Mar 17 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
17 Mar 2019	069	018
18 Mar 2019	069	008
19 Mar 2019	069	015

Bulletin

X-ray flux remained below B level. And with a spotless disk, X-ray flux is expected to remain below C level.

No new Earth directed CME's have been detected in coronagraph data.

The Solar proton flux levels were at background values and are expected to remain so.

As expected, solar wind speed further enhanced reaching over 450 km/s around midnight. Total magnetic field was initially mainly in the 4-7nT range with a gradual build up towards current values around 8nT. The Bz component was pronounced southward with an extended period of -6nT and even reached close to -8nT. Magnetic field phi angle showed a sector change just after 5:00UT at which time also Solar wind speed dropped and then further decreased to under 400 km/s. Solar wind is expected to approach nominal conditions with on March 19 the influences of an equatorial positive polarity coronal hole setting in.

Geomagnetic conditions reached active and even minor geomagnetic storm levels under the elevated solar wind conditions. Geomagnetic conditions are expected to be quiet to unsettled with later on March 19 renewed active conditions expected.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 22 stanic.

Solární indexy za 16 Mar 2019

Wolfovo číslo Catania	///
10cm sluneční tok	070
AK Chambon La Forêt	030
AK Wingst	015
Odhadovaný Ap	014
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 21 stanic

Souhrn významných událostí

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

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