Viewing archive of Tuesday, 20 January 2015

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2015 Jan 20 1330 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
20 Jan 2015	130	013
21 Jan 2015	132	007
22 Jan 2015	134	007

Bulletin

Solar activity has been very low, AR 2266 produced a C3.3 flare peaking at 20:48 UT on January 19. This AR has now a beta gamma magnetic configuration and may produce stronger flares. Geomagnetic conditions are quiet. The fast speed solar wind from a small equatorial coronal hole may still arrive in the coming hours, it is not expected to produce more than active conditions.

Today's estimated international sunspot number (ISN): 050, based on 09 stations.

Solar indices for 19 Jan 2015

Wolf number Catania	///
10cm solar flux	130
AK Chambon La Forêt	012
AK Wingst	006
Estimated Ap	005
Estimated international sunspot number	050 - Based on 17 stations

Noticeable events summary

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

All times in UTC

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