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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2025 Oct 06 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
06 Oct 2025	148	003
07 Oct 2025	145	003
08 Oct 2025	140	004

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was low over the past 24 hours, with four C-class flares identified. This brightest flare was SIDC Flare 5683, a C3 detected on 5 Oct at 23:42 UTC. It is located at the west limb at N10 and probably partially obstructed by the limb. The same location also produced a C2 on 6 Oct at 08:55 UTC. SIDC Sunspot Group 663 (NOAA Active Region [AR] 4242, Beta magnetic configuration) emitted a C2 on 6 Oct at 10:00 UTC. SIDC Sunspot Group 661 (NOAA AR 4241, Beta magnetic configuration) produced a C1 on 6 Oct at 08:49 UTC. Solar flaring activity is expected to be very low over the next 24 hours, with a chance for C-class flares.

Vyhazování koronální hmoty

No Earth-directed Coronal Mass Ejections (CME) were observed in the last 24 hours.

Solární bouře

The Solar Wind (SW) conditions returned to a slow SW regime during the past 24 hours. The SW speed dropped from 520 to 400 km/s, while the interplanetary magnetic field (B) ranged between 2 and 7 nT, and its North-South component (Bz) fluctuated between -4 and 5 nT. A similar pattern is expected for the next 24 hours, although there is the possibility of a glancing blow associated with SIDC CME 570.

Geomagnetismus

During the last 24 hours geomagnetic conditions were both globally and locally quiet (NOAA Kp 1- to 2+ and K BEL 1 to 2). They are expected to remain at the same level, both globally and locally, for the next 24 hours.

Úrovně protonového toku

The greater than 10 MeV proton flux, as measured by the GOES-19 satellite, was at background levels over the past 24 hours and is likely to remain so in the next 24 hours.

Elektronové toky na geostacionární oběžné dráze

The greater than 2 MeV electron flux as measured by GOES 19 was well above the 1000 pfu threshold during the past 24 hours, with a peak value at 24000 pfu. It is expected to remain at the current levels during the next 24 hours. The 24-hour electron fluence is at high levels since 4 Oct 23:10 UTC and is expected to continue at high levels for the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 164, na základě 12 stanic.

Solární indexy za 05 Oct 2025

Wolfovo číslo Catania	///
10cm sluneční tok	148
AK Chambon La Forêt	010
AK Wingst	010
Odhadovaný Ap	009
Odhadovaný mezinárodní počet slunečních skvrn	151 - Na základě 14 stanic

Souhrn významných událostí

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

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