Viewing archive of Sunday, 28 April 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Apr 28 1219 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
28 Apr 2013	127	007
29 Apr 2013	127	007
30 Apr 2013	127	007

Bulletin

C-class flaring is expected, mainly from NOAA AR 1731, which has a beta- gamma configuration. Quiet geomagnetic conditions are expected.

Today's estimated international sunspot number (ISN): 069, based on 10 stations.

Solar indices for 27 Apr 2013

Wolf number Catania	///
10cm solar flux	127
AK Chambon La Forêt	011
AK Wingst	009
Estimated Ap	007
Estimated international sunspot number	074 - Based on 16 stations

Noticeable events summary

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

All times in UTC

<< Go to daily overview page