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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2023 Oct 15 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
15 Oct 2023	146	003
16 Oct 2023	142	004
17 Oct 2023	140	004

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was low and infrequent during the last 24 hours, with NOAA Active Region (AR) 3467 (magnetic configuration Beta) producing the most and the brightest of the flares. The flaring activity is expected to remain low in the next 24 hours, with NOAA AR 3467 and a yet-unnamed AR at N28E88 producing most of the C-class flares.

Vyhazování koronální hmoty

No Earth-directed Coronal Mass Ejections (CME) were observed in the last 24 hours. Two CME observed by SOHO/LASCO-C2 yesterday at 04:36 and 16:36 UTC are estimated to be back-sided events.

Solární bouře

During the last 24 hours the Solar Wind (SW) conditions returned to a typical slow wind regime. The SW speed dropped from a higher value of 520 km/s to 390 km/s and remains low. The total interplanetary magnetic field (Bt) remained up to 5 nT and its North-South component (Bz) ranged between -2 and 4 nT in the last 24 hours. The interplanetary magnetic field phi angle was directed away and towards the Sun for an approximately equal length of time. The SW conditions are expected to remain in the slow wind regime for the next 24 hours.

Geomagnetismus

During the last 24 hours the geomagnetic conditions were both globally and locally quiet (NOAA Kp 2- to 0+ and K BEL 1 to 2) with the exception of unsettled conditions yesterday between 18:00-21:00 UTC (NOAA Kp 3- and K BEL 3). They are expected to remain quiet in 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 remained below the 1000 pfu alert threshold and is expected to remain below this threshold during the next 24 hours. The 24h electron fluence was at nominal levels and is expected to remain so.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 101, na základě 15 stanic.

Solární indexy za 14 Oct 2023

Wolfovo číslo Catania	///
10cm sluneční tok	148
AK Chambon La Forêt	011
AK Wingst	008
Odhadovaný Ap	007
Odhadovaný mezinárodní počet slunečních skvrn	112 - Na základě 26 stanic

Souhrn významných událostí

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

Všechny časy v UTC

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