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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2014 Apr 06 1221 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
06 Apr 2014	130	013
07 Apr 2014	125	007
08 Apr 2014	125	011

Bulletin

Solar activity has been very low in the past 24 hours, with the strongest event being a C1 flare taking place in NOAA AR 2021, 1827UT (peak time) on April 5. NOAA AR 2026 and 2030, which were the main possible source of flaring activity yesterday show less magnetic complexity today. Eruptive conditions should prevail in the next 48 hours, with a slight risk of an isolated M class flare from AR 2030. Geomagnetic activity was unsettled to active in the past 24 hours, with a short period of indeed active conditions at planetary levels from 09 to 15 UT on April 5th, due to the arrival of the CMEs of April 1st and/or April 2nd.We expect mostly quiet conditions for the next 48 hours, with periods of unsettled conditions possible within the next 24 hours. Current ACE observations show the signature of a magnetic cloud, related to one of the aforementioned CMEs.

Today's estimated international sunspot number (ISN): 089, based on 13 stations.

Solar indices for 05 Apr 2014

Wolf number Catania	///
10cm solar flux	142
AK Chambon La Forêt	017
AK Wingst	012
Estimated Ap	013
Estimated international sunspot number	104 - Based on 20 stations

Noticeable events summary

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

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