Viewing archive of Sunday, 31 March 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Mar 31 1215 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

	10cm flux	Ap
31 Mar 2013	115	002
01 Apr 2013	120	001
02 Apr 2013	123	007

Bulletin

Solar activity is expected to reach eruptive levels with risks of C class flares from NOAA AR 1708, 1710 and 1711. The past 24 hours were quiet; the only noticeable event being a weak type II radio burst, around 1320UT, linked to a small eruptive event (B4.8) in NOAA AR 1708, with no obvious CME. Geomagnetic activity is expected to be quiet for the next 48 hours.

Today's estimated international sunspot number (ISN): 061, based on 13 stations.

Solar indices for 30 Mar 2013

Wolf number Catania	///
10cm solar flux	108
AK Chambon La Forêt	017
AK Wingst	019
Estimated Ap	020
Estimated international sunspot number	052 - Based on 13 stations

Noticeable events summary

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

All times in UTC

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