Viewing archive of Friday, 22 November 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Nov 22 1145 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
22 Nov 2013	140	001
23 Nov 2013	135	001
24 Nov 2013	135	001

Bulletin

Solar activity is expected to be at most eruptive for the next 48 hours with risk for C class flares from NOAA ARs 1897 and 1899. The M flare of Nov. 21 was associated with a CME, but it does not appear to be geoeffective. Quiet geomagnetic conditions are expected for the next 48 hours. Current interplanetary conditions are very quiet.

Today's estimated international sunspot number (ISN): 046, based on 05 stations.

Solar indices for 21 Nov 2013

Wolf number Catania	///
10cm solar flux	141
AK Chambon La Forêt	004
AK Wingst	001
Estimated Ap	002
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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