Viewing archive of Sunday, 13 April 2014

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2014 Apr 13 1209 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

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

Solar protons

Quiet

	10cm flux	Ap
13 Apr 2014	140	013
14 Apr 2014	140	013
15 Apr 2014	143	007

Bulletin

The background level of the X-ray flux was at the B-class level and no C-class flares occurred during the past 24 hours. C-class flares can be expected from NOAA ARs 2034 and 2035. Geomagnetic conditions were unsettled. On April 13, unsettled to active conditions are still possible related to the arrival of the CH high speed stream.

Today's estimated international sunspot number (ISN): 053, based on 11 stations.

Solar indices for 12 Apr 2014

Wolf number Catania	///
10cm solar flux	136
AK Chambon La Forêt	020
AK Wingst	018
Estimated Ap	022
Estimated international sunspot number	053 - Based on 19 stations

Noticeable events summary

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

All times in UTC

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