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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2026 Feb 24 1233 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
24 Feb 2026	105	016
25 Feb 2026	104	014
26 Feb 2026	104	008

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was low over the past 24 hours, with only a C1.0 flare from the east limb (SIDC Flare 7063) peaking at 07:33 UTC on February 24. There are currently no numbered active regions on the solar disk. SIDC Sunspot Group 799 has decayed into a plage. The solar flaring activity is expected to be low over the next 24 hours, with C-class flares unlikely.

Vyhazování koronální hmoty

No Earth-directed Coronal Mass Ejections (CMEs) were observed in the available coronagraph imagery in the last 24 hours.

Solární bouře

Over the past 24 hours, the solar wind parameters (ACE and DSCOVR) continued to reflect the ongoing influence of the high-speed stream associated with the recurrent, negative polarity, equatorial, coronal hole (SIDC Coronal Hole 147). Speed values ranged between 560 km/s and 720 km/s. The interplanetary magnetic field values were between 3 nT and 5 nT. The Bz component varied between -5 nT and 5 nT. The interplanetary magnetic field angle was mostly in the negative sector. Enhanced solar wind conditions may persist over the next 24 hours due to the continued influence of the high- speed stream.

Geomagnetismus

Geomagnetic conditions globally and locally were mostly at quiet to active levels (NOAA Kp 2 to 4+, K BEL 2 to 4). Quiet to active conditions are expected over the next 24 hours due to the continued influence of the high-speed stream from the negative polarity coronal hole (SIDC Coronal Hole 147).

Úrovně protonového toku

The greater than 10 MeV proton flux was below the 10 pfu threshold level over the past 24 hours. It is expected to remain below the threshold level over the next 24 hours.

Elektronové toky na geostacionární oběžné dráze

The greater than 2 MeV electron flux measured by GOES 18 and GOES 19 was mostly above the 1000 pfu threshold in the last 24 hours, with short intervals in which it fell below the 1000 pfu threshold. The greater than 2 MeV electron flux is expected to remain around the 1000 pfu threshold levels in the next 24 hours. The 24-hour electron fluence is presently at moderate levels and is expected to remain so over the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 10 stanic.

Solární indexy za 23 Feb 2026

Wolfovo číslo Catania	036
10cm sluneční tok	108
AK Chambon La Forêt	032
AK Wingst	028
Odhadovaný Ap	028
Odhadovaný mezinárodní počet slunečních skvrn	009 - Na základě 25 stanic

Souhrn významných událostí

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

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