Prohlížíte si archiv úterý 8. prosince 2015

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2015 Dec 08 1244 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sluneční protony

Quiet

	10cm tok	Ap
08 Dec 2015	101	012
09 Dec 2015	102	016
10 Dec 2015	101	014

Bulletin

Only one C-class flare was reported during last 24 hours (C1.0, peaking at 22:50 UT on December 07). We expect isolated C-class flares in the coming hours. The prominence eruption observed at the East solar limb at about 14:40 UT on December 07, was associated with the B4.2 flare and CME. Almost concurrently strong flare associated with the EIT wave and the coronal dimming, was observed by STEREO A at the back side of the Sun. The events were also associated with the type II burst, signature of the coronal shock wave. The coronagraph data are currently unavailable and it is not possible to estimate speed and the width of the CMEs associated with this two events. However, since these were limb and back side events, the CMEs are not expected to arrive at the Earth.

The Earth is still inside the fast solar wind (570 km/s). The interplanetary magnetic field magnitude decreased and its current value is about 6 nT. The Bz component of the interplanetary magnetic field is fluctuating between 5 and -5 nT. The fast flow from the equatorial coronal hole (seemingly connected with the northern polar coronal hole) which has reached the central meridian late on December 06 is expected to arrive late on December 09 or early on December 10, and it might induce active geomagnetic conditions. Currently the geomagnetic conditions are quiet to unsettled, and we expect it to remain so in the coming hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 050, na základě 16 stanic.

Solární indexy za 07 Dec 2015

Wolfovo číslo Catania	084
10cm sluneční tok	101
AK Chambon La Forêt	029
AK Wingst	025
Odhadovaný Ap	025
Odhadovaný mezinárodní počet slunečních skvrn	056 - Na základě 23 stanic

Souhrn významných událostí

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

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