Viewing archive of Saturday, 22 February 2014

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2014 Feb 22 1408 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

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

Solar protons

Quiet

	10cm flux	Ap
22 Feb 2014	157	028
23 Feb 2014	158	035
24 Feb 2014	160	012

Bulletin

Only C1 flares in past 24h. NOAA AR 1982 has still potential for M-class flares. Geomagnetic conditions have ranged from unsettled to active due to weak but long lasting negative Bz periods. An increase to minor storm conditions is expected with the arrival of CMEs from February 19 and 20.

Today's estimated international sunspot number (ISN): 099, based on 11 stations.

Solar indices for 21 Feb 2014

Wolf number Catania	///
10cm solar flux	157
AK Chambon La Forêt	024
AK Wingst	012
Estimated Ap	012
Estimated international sunspot number	095 - Based on 22 stations

Noticeable events summary

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

All times in UTC

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