Перегляд архіву четвер, 28 лютого 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2013 Feb 28 1124 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

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

Сонячні протони

Quiet

	10cm flux	Ap
28 Feb 2013	105	014
01 Mar 2013	107	007
02 Mar 2013	109	005

Bulletin

50% chance for C-class flaring is expected, mainly from NOAA AR 1682 and 1683. Active geomagnetic conditions are expected in the coming days due to the influence of small coronal hole. No geomagnetic effect is expected from the last 2 partial halo CME reported by CACTUS (CME lift off times 2013-02-26T09:36 and 2013-02-27T04:36, both Westward).

Today's estimated international sunspot number (ISN): 046, based on 07 stations.

Solar indices for 27 Feb 2013

Wolf number Catania	045
10cm solar flux	102
AK Chambon La Forêt	007
AK Wingst	005
Estimated Ap	003
Estimated international sunspot number	037 - Based on 15 stations

Noticeable events summary

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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