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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2023 Jun 23 1332 UTC

SIDC Předpověď

Sluneční erupce

M-class flares expected (probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
23 Jun 2023	171	007
24 Jun 2023	167	003
25 Jun 2023	164	003

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was moderate during the last 24 hours, with an M4 flare yesterday 23:44 UT from NOAA Active Region (AR) 3341 (magnetic type Beta, Catania group 40). The second brightest flaring event was a C4 from NOAA AR 3337 (magnetic type Beta, Catania group 43). Isolated M-class events are likely in the next 24 hours, mostly from NOAA AR 3341.

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 dropped from 470 km/h to about 400 km/h in the last 24 hours. The total interplanetary magnetic field (Bt) varied between 4 and 7 nT and its North-South component (Bz) ranged between -6 and 5 nT. The interplanetary magnetic field phi angle was predominately directed towards the Sun during the past 24 hours. The SW conditions are expected 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 2 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 above the 1000 pfu threshold yesterday between 13:25 and 18:20 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 moderate levels from yesterday 14:15 UT until today 05:45 UT and at nominal levels for the rest of the past 24 hours. It is expected to remain at nominal levels for the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 221, na základě 19 stanic.

Solární indexy za 22 Jun 2023

Wolfovo číslo Catania	239
10cm sluneční tok	173
AK Chambon La Forêt	019
AK Wingst	010
Odhadovaný Ap	010
Odhadovaný mezinárodní počet slunečních skvrn	231 - Na základě 20 stanic

Souhrn významných událostí

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

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