Viendo archivo del sábado, 12 marzo 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2016 Mar 12 1230 UTC

SIDC Forecast

Llamarada solar

C-class flares expected, (probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Protones solares

Quiet

	10cm flux	Ap
12 Mar 2016	094	011
13 Mar 2016	092	007
14 Mar 2016	090	007

Bulletin

Solar activity has been very low. One C1.1 flare with peak at 06:19 UT from NOAA AR 2513. A partial halo CME with angular width of 130 degrees was first seen leaving the Sun at 00:12 UT by LASCO-C2 (after a data gap). This CME is most probably backsided (no clear source seen on the visible disc, but there's a gap in STEREO data to confirm a backsided source) and won't affect the Earth. A high speed stream caused a geomagnetic storm on March 11 (Kp reached 6 and the local K at Dourbes 5). Solar wind speed is descending now (currently at 500 km/s, with interplanetary magnetic field magnitude at 5 nT) and mostly unsettled conditions should be expected in the next 24h.

Today's estimated international sunspot number (ISN): 061, based on 18 stations.

Solar indices for 11 Mar 2016

Wolf number Catania	///
10cm solar flux	094
AK Chambon La Forêt	035
AK Wingst	020
Estimated Ap	022
Estimated international sunspot number	042 - Based on 23 stations

Noticeable events summary

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

All times in UTC

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