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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 May 13 1325 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
13 May 2013	148	010
14 May 2013	150	007
15 May 2013	155	010

Bulletin

An active region behind the east limb produced an X1.7 flare with peak at 02:17 UT and several M class flares. There were Type II and III radio bursts and a CME associated with this flare. The CME is not expected to arrive to the Earth. Active conditions are expected with more M and X class flares possible, in particular when this AR rotates over the visible disk in a few days. C and M class flares can be expected mostly from NOAA AR 1744, 1745 and 1746. Geomagnetic conditions are quiet, unsettled conditions may occur with the expected arrival of a mildly fast speed stream from a coronal hole today and tomorrow.

Today's estimated international sunspot number (ISN): 094, based on 08 stations.

Solar indices for 12 May 2013

Wolf number Catania	///
10cm solar flux	147
AK Chambon La Forêt	007
AK Wingst	006
Estimated Ap	004
Estimated international sunspot number	093 - Based on 18 stations

Noticeable events summary

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

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