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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2025 Mar 15 1231 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
15 Mar 2025	185	018
16 Mar 2025	185	017
17 Mar 2025	185	017

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was moderate over the past 24 hours, with 1 M-class flare identified. The largest flare was a M1.1 flare (SIDC Flare 3844) peaking on March 14 at 22:21 UTC, which was produced by SIDC Sunspot Group 437 (NOAA Active Region 4030). A total of 10 numbered sunspot groups were identified on the disk over the past 24 hours. SIDC Sunspot Group 428 (NOAA Active Region 4019) has the most complex magnetic configuration (Beta-Delta) and was decreasing over the past 24 hours. Solar flaring activity is expected to be low over the next 24 hours, with C-class flares very likely and a chance for M-class flares.

Vyhazování koronální hmoty

No new Earth-directed Coronal Mass Ejections (CMEs) have been detected in the available coronagraph images.

Solární bouře

Earth continued to be under the influence of high speed streams (HSS). The solar wind speed was around 560 km/s. The interplanetary magnetic field was between 8 nT and 5 nT, with the Bz reaching a minimum value of -6 nT. In the next 24 hours, we expect a gradual transition from fast to slow solar wind.

Geomagnetismus

Geomagnetic conditions were globally and locally unsettled to active (KP4) in the past 24 hours. Unsettled conditions are expected in the next 24 hours.

Úrovně protonového toku

The greater than 10 MeV proton flux remained below the 10 pfu threshold and is expected to remain so over the next days.

Elektronové toky na geostacionární oběžné dráze

The greater than 2 MeV electron flux exceeded the 1000 pfu threshold for most of the time during the past 24 hours, and is expected to remain above the threshold during the next 24 hours. The 24h electron fluence was at normal levels and is expected to remain so.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 161, na základě 09 stanic.

Solární indexy za 14 Mar 2025

Wolfovo číslo Catania	221
10cm sluneční tok	180
AK Chambon La Forêt	031
AK Wingst	022
Odhadovaný Ap	025
Odhadovaný mezinárodní počet slunečních skvrn	173 - Na základě 17 stanic

Souhrn významných událostí

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

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