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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2015 Feb 09 1318 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
09 Feb 2015	153	007
10 Feb 2015	150	007
11 Feb 2015	150	007

Bulletin

Solar activity was low. Several low level C class flares occurred, originating from NOAA regions 2277, 2280 and 2282. The largest event was a C3.7 flare from NOAA active region (AR) 2282 peaking at 06:07UT. NOAA AR 2280 has shown some growth over the period. AR 2282 has rotated on disk, at approx N15 on the East limb and has shown signs of activity with some flows around 05:30UT. Flaring is expected to continue at C level. No Earth directed CMEs have been observed. Solar wind speed is decreasing, and has decreased from approx 600 km/s to 450 km/s. The density has seen a small increase and there is a small rotation in the magnetic field. We expect quiet geomagnetic conditions to continue.

Today's estimated international sunspot number (ISN): 059, based on 06 stations.

Solar indices for 08 Feb 2015

Wolf number Catania	///
10cm solar flux	153
AK Chambon La Forêt	021
AK Wingst	010
Estimated Ap	012
Estimated international sunspot number	066 - Based on 17 stations

Noticeable events summary

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

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