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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2026 Mar 27 1252 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
27 Mar 2026	156	006
28 Mar 2026	155	017
29 Mar 2026	150	012

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was low over the past 24 hours, with 10 C-class flares identified. All but one of those flares were emitted by SIDC Sunspot Group (SG) 836 (NOAA Active Region [AR] 4405, Beta magnetic configuration), with SIDC SG 832 (NOAA AR 4403, Alpha magnetic configuration) producing the other one. The brightest flare of the past 24 hours was SIDC flare 7277, a C5, and is associated with SIDC SG 836. It should be noted that this is a very long duration event, not exclusively associated with SIDC SG 836, and has released energy comparable to an M-class flare. C-class flaring activity is expected in the next 24 hours, with a chance of an isolated M-class flare.

Vyhazování koronální hmoty

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

Solární bouře

The Solar Wind (SW) conditions of the past 24 hours resemble the slow SW regime. The SW speed registered values between 380 and 520 km/s, the interplanetary magnetic field (B) ranged between 1 and 6 nT, and its North-South component (Bz) varied from -5 nT to 4 nT. A High Speed Stream (HSS), associated with the crossing of the SIDC Coronal Hole (CH) 156 of the Solar central meridian on 25 Mar, is expected to affect the SW conditions in the next 24 hours.

Geomagnetismus

The geomagnetic conditions of the past 24 hours were both globally and locally at quiet to unsettled levels (NOAA Kp 2- to 3+ and K BEL 1 to 3). A HSS is likely to arrive in the next 24 hours and increase the conditions to active levels.

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

During the past 24 hours, the greater than 2 MeV electron flux as measured by GOES 19 dropped marginally but remained above the 1000 pfu alert threshold and ranged between 1000 and 10000 pfu. A further drop is expected, however it is likely that the electron flux will remain above the alert threshold level for most of the next 24 hours. The electron fluence was mostly at moderate levels in the past 24 hours and increased to high levels on 26 Mar between 18:05 and 21:25 UTC. It is expected to remain at moderate levels in the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 134, na základě 16 stanic.

Solární indexy za 26 Mar 2026

Wolfovo číslo Catania	173
10cm sluneční tok	152
AK Chambon La Forêt	///
AK Wingst	010
Odhadovaný Ap	010
Odhadovaný mezinárodní počet slunečních skvrn	117 - Na základě 24 stanic

Souhrn významných událostí

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

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