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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2023 Jun 24 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
24 Jun 2023	170	009
25 Jun 2023	168	008
26 Jun 2023	166	005

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was low but frequent during the last 24 hours. NOAA Active Region 3337 (magnetic type Beta, Catania group 43) produced the brightest flare, a C4 and most of the C-class flare activity, although many more AR contributed (most noticeably, NOAA AR 3335 [magnetic type Beta, Catania group 33], 3338 [magnetic type Beta, Catania group 36], 3341 [magnetic type Beta, Catania group 40], and 3340 [magnetic type Beta, Catania group 38]). Further C-class flare activity is expected, mostly from NOAA AR 3337, 3340, and 3341 in the next 24 hours. There is only a small chance of an isolated M-class flares, as all the big AR have now lost significant amounts of magnetic complexity.

Vyhazování koronální hmoty

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

Solární bouře

The Solar Wind (SW) conditions were typical of the slow SW regime during the last 24 hours. The SW speed gradually increased from 400 km/h to about 480 km/h in the last 24 hours. The total interplanetary magnetic field (Bt) varied between 3 and 11 nT and its North-South component (Bz) ranged between -9 and 10 nT. The interplanetary magnetic field phi angle was almost constantly directed towards the Sun during the past 24 hours. The SW speed is expected to very gradually decrease and the overall SW conditions to remain in the slow SW regime in the next 24 hours.

Geomagnetismus

Geomagnetic conditions were unsettled to quiet both globally and locally (NOAA Kp 2- to 3 and K BEL 1 to 3) during the past 24 hours. They are expected to remain in unsettled to quiet levels both globally and locally for the next 24 hours.

Úrovně protonového toku

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours and is expected to remain so for the next 24 hours.

Elektronové toky na geostacionární oběžné dráze

The greater than 2 MeV electron flux was marginally above the 1000 pfu threshold yesterday between 14:10 and 17:50 UT. It has remained below this level since and it is expected to remain below the threshold in the next 24 hours. The 24-hour electron fluence was at nominal levels for the past 24 hours and it is expected to remain at these levels for the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 216, na základě 13 stanic.

Solární indexy za 23 Jun 2023

Wolfovo číslo Catania	230
10cm sluneční tok	170
AK Chambon La Forêt	017
AK Wingst	014
Odhadovaný Ap	012
Odhadovaný mezinárodní počet slunečních skvrn	222 - Na základě 23 stanic

Souhrn významných událostí

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

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