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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2019 Mar 02 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
02 Mar 2019	070	022
03 Mar 2019	071	027
04 Mar 2019	071	016

Bulletin

Over the past 24 hours solar activity has been low. No significant flares have been recorded. No significant Active Regions (AR) or filament channels are present on the solar disk. A small, currently unnamed, AR rotated on to the East Solar limb, it appears to be producing little activity. The greater-than 10 MeV proton flux was at nominal levels. A negative polarity equatorial coronal hole (CH) is spread across the Western hemisphere of the Sun. No Earth directed Coronal Mass Ejections (CMEs) have been detected. A small eruption was observed off of the West solar limb, but the source region is not clear, and appears to be back-sided.

Solar activity is expected to remain at low levels.

The solar wind speed has fluctuated between 550 and 600 km/s (DSCOVR) over the past 24 hours. The total magnetic field strength has fluctuated around 5 nT (DSCOVR). The Bz component has been largely negative, ranging between -6 and +5 nT. Geomagnetic conditions ranged between Kp index 3-4 (NOAA) and local K index 3-4 (Dourbes) over the past 24 hours. The enhanced geomagnetic activity is due to the Earth being under the influence of a HSS associated with the coronal hole that has rotated across the Western hemisphere of the Sun. We can expect to be under the influence of the HSS for the next few days.

Geomagnetic activity is expected to fluctuate around active levels, with a chance of Minor storms.

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

Solární indexy za 01 Mar 2019

Wolfovo číslo Catania	000
10cm sluneční tok	070
AK Chambon La Forêt	035
AK Wingst	032
Odhadovaný Ap	031
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 16 stanic

Souhrn významných událostí

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

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