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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2016 Feb 04 1235 UTC

SIDC Předpověď

Sluneční erupce

C-class flares expected, (probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
04 Feb 2016	120	005
05 Feb 2016	125	006
06 Feb 2016	130	006

Bulletin

Solar flaring activity has slightly increased, with seven lower C-class flares (strongest C1.8) during the past 24 hours. The NOAA active regions (AR) 2490 (Catania 16), 2492, 2493 and a region currently rounding the East limb were responsible for this activity. Two new (yet unnumbered) regions are developing quite rapidly, near S10E15 and S08W20. A filament eruption was observed SouthEast of the disk center from 8h UT on February 3. The associated CME only left near 16h UT (first observation LASCO/C2) and was very narrow. A rather faint and slow CME (245km/s estimated by CACTus) lifted off at 9h36 UT on February 3 (first measurement at LASCO/C2), propagating to the SouthWest. The source of this CME is currently unclear, but will be analyzed further. More flaring at the C-level is expected, with a slight chance for an M-class flare. The solar wind speed ranged between 350 and 450 km/s, showing a slight increase. The magnitude of the magnetic field was around 10 nT, with a mainly positive Bz component.

Geomagnetic conditions were mainly quiet (K=0-2), both at the local (Dourbes) and global level (NOAA estimate). This situation is expected to continue, with a slight chance for time slots of unsettled to active conditions.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 115, na základě 10 stanic.

Solární indexy za 03 Feb 2016

Wolfovo číslo Catania	///
10cm sluneční tok	112
AK Chambon La Forêt	007
AK Wingst	010
Odhadovaný Ap	012
Odhadovaný mezinárodní počet slunečních skvrn	088 - Na základě 21 stanic

Souhrn významných událostí

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

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