Prohlížíte si archiv neděle 5. července 2015

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2015 Jul 05 1230 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Minor storm expected (A>=30 or K=5)

Sluneční protony

Quiet

	10cm tok	Ap
05 Jul 2015	118	038
06 Jul 2015	119	022
07 Jul 2015	118	013

Bulletin

Solar activity has remained quiet over the past 24 hours with no significant flares. AR 2381 has produced the largest flare, a B7.4 class flare, peaking at 09:15 UT on 2015-Jul-05. There are some flows / small eruptions emerging from beyond the north-east solar limb, and when the source region rotates into view we may see an increase in activity. The proton numbers have continued to be low and have not exceeded 1 pfu at the Earth in the past 24 hours. The solar wind speed increased from approx. 320 km / s to 500 km / s over the past 24 hours, peaking at approx. 600 km / s at 20:00 UT on 2015-Jul-04. The total magnetic field has fluctuated and reached approx. 20 nT at 18:00 UT on 2015-Jul-04 and has subsequently declined to around 10 nT. The Bz reached approx. -20 nT at 20:00 UT. These solar wind conditions caused an ongoing geomagnetic storm, Kp (NOAA) reached 6 in the period from 18:00 to 6:00 UT and has subsequently dropped to 5, the local K (Dourbes) is currently at 4. Enhanced geomagnetic storm conditions are expected to continue for a couple of days due to the presence of a coronal hole in the south west generating a high speed stream.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 120, na základě 19 stanic.

Solární indexy za 04 Jul 2015

Wolfovo číslo Catania	///
10cm sluneční tok	117
AK Chambon La Forêt	037
AK Wingst	///
Odhadovaný Ap	019
Odhadovaný mezinárodní počet slunečních skvrn	105 - Na základě 27 stanic

Souhrn významných událostí

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