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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2016 Feb 05 1230 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
05 Feb 2016	135	007
06 Feb 2016	140	006
07 Feb 2016	140	007

Bulletin

Solar activity was low during the past reporting period, though the amount of C-class flares is increasing. NOAA active region (AR) 2494 was responsible for most of the flares, including a C5.1 flare, peaking at 18h22 UT. NOAA AR 2494 has rapidly grown into a complex group. Some flux emergence and cancellation was occurring at NOAA 2493. NOAA AR 2491 has strongly decayed, while the spots in the trailing region of NOAA 2490 vanished almost completely. More flares at the C-level are expected, with an increasing chance for an M-class flare. No Earth-directed coronal mass ejections (CME) were observed.

The solar wind speed slightly increased to 500 km/s. The magnitude of the magnetic field was maximally 11 nT, but decreased to a current value of 5 nT. The north-south component was fluctuating between -7 and +10 nT.

Geomagnetic conditions were quiet (K=1-2) to unsettled (K=3), both at the local (Dourbes) and global level (NOAA estimate), which is expected to continue.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 109, na základě 10 stanic.

Solární indexy za 04 Feb 2016

Wolfovo číslo Catania	///
10cm sluneční tok	123
AK Chambon La Forêt	012
AK Wingst	005
Odhadovaný Ap	005
Odhadovaný mezinárodní počet slunečních skvrn	116 - Na základě 19 stanic

Souhrn významných událostí

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

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