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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2022 Dec 23 1259 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

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

Sluneční protony

Quiet

	10cm tok	Ap
23 Dec 2022	131	016
24 Dec 2022	131	015
25 Dec 2022	131	008

Bulletin

The solar flaring activity was at low levels with several small C-class flares. The flaring activity over the next 24 hours is expected to remain mostly at low levels, with C-class flares expected and a very small possibility for M-class flares.

Several coronal mass ejections and flows were observed in the currently available SOHO/LASCO coronagraph imagery and automatically detected by the Cactus tool over the past 24 hours. However, no clear Earth-directed coronal mass ejections were identified.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours and is expected to remain so in the next 24 hours. The greater than 2 MeV electron flux was below the 1000 pfu threshold over the past 24 hours and is expected to remain below the 1000 pfu threshold over the next 24 hours. The electron fluence was at normal to low levels and is expected to stay at normal levels over the next 24 hours.

The solar wind parameters are enhanced due to the arrival of the high-speed stream associated to the equatorial coronal holes (positive polarity) reaching to the central meridian of the Sun on December 20. The solar wind speed reached values of 545 km/s, the total interplanetary magnetic field remained slightly enhanced and reached values up to 10.0 nT with the southward interplanetary magnetic component, Bz, ranging between -9.7 nT and 8.8 nT.

During the last 24 hours, the geomagnetic conditions were active (NOAA- Kp=2-4, and K-BEL=1-4) in response to the enhanced solar wind condition. Geomagnetic conditions are expected to remain unsettled with periods of active conditions in the next days.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 085, na základě 06 stanic.

Solární indexy za 22 Dec 2022

Wolfovo číslo Catania	130
10cm sluneční tok	131
AK Chambon La Forêt	024
AK Wingst	015
Odhadovaný Ap	014
Odhadovaný mezinárodní počet slunečních skvrn	102 - Na základě 15 stanic

Souhrn významných událostí

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

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