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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2014 Mar 20 1303 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
20 Mar 2014	150	007
21 Mar 2014	150	006
22 Mar 2014	150	006

Bulletin

NOAA AR 2010 produced today, March 20 an M1.7 flare with peak at 03:56UT. A type II outburst was detected. PROBA2 SWAP running difference images shows the coronal footprint of a CME which has only a faint appearance in COR2/STEREO B, not in LASCO/SOHO. NOAA AR 2014 rotated over the east limb and was the source of a C8.3 flare and a plasma eruption. We expect more activity from this region. We estimate a chance for more M-flares to be slightly above 50%. The solar wind speed is still below 400 km/s. The geomagnetic conditions are quiet. A small equatorial coronal hole is situated near the central meridian. It might become geoeffective in 3-4 days.

Today's estimated international sunspot number (ISN): 091, based on 16 stations.

Solar indices for 19 Mar 2014

Wolf number Catania	183
10cm solar flux	149
AK Chambon La Forêt	008
AK Wingst	004
Estimated Ap	003
Estimated international sunspot number	097 - Based on 27 stations

Noticeable events summary

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

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