Viewing archive of Sunday, 20 January 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Jan 20 0920 UTC

SIDC Forecast

Solar flares

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

	10cm flux	Ap
20 Jan 2013	100	008
21 Jan 2013	096	004
22 Jan 2013	095	004

Bulletin

Solar activity has been very low and is expected to remain so for the next 24 hours. The CME of Wednesday January 16th arrived on Saturday evening January 19th, but caused only active geomagnetic conditions (K=4). There was only a minor jump in the solar wind speed, density and temperature. Geomagnetic conditions are quiet and are expected to remain so for the next 24 hours.

Today's estimated international sunspot number (ISN): 043, based on 03 stations.

Solar indices for 19 Jan 2013

Wolf number Catania	///
10cm solar flux	107
AK Chambon La Forêt	///
AK Wingst	012
Estimated Ap	010
Estimated international sunspot number	034 - Based on 11 stations

Noticeable events summary

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

All times in UTC

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