Viewing archive of Sunday, 25 January 2015

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2015 Jan 25 1343 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
25 Jan 2015	125	007
26 Jan 2015	127	007
27 Jan 2015	129	007

Bulletin

Solar activity in past 24h has been low. Only minor C-class flaring observed. NOAA AR 2263, produced the strongest one, a C1.2 flare with peak at 20:52 UT. NOAA AR 2268 has potential for larger flares but has been quiet lately. A slow partial halo CME was seen at 15:48 UT on January 24 from a filament eruption close to disk center. Although the eruption is mostly directed to the south, a part of it may hit the Earth on January 29. Due to the southward direction and the low speed, this CME is not expected to be highly geoeffective. Geomagnetic conditions are quiet. The fast speed stream from another high latitude coronal hole may influence the Earth today, although its effect may have missed the Earth due to its location far from the ecliptic plane.

Today's estimated international sunspot number (ISN): 043, based on 10 stations.

Solar indices for 24 Jan 2015

Wolf number Catania	///
10cm solar flux	125
AK Chambon La Forêt	014
AK Wingst	007
Estimated Ap	006
Estimated international sunspot number	043 - Based on 18 stations

Noticeable events summary

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

All times in UTC

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