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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 May 06 1230 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Protoni solari

Quiet

	10cm flux	Ap
06 May 2015	130	018
07 May 2015	137	007
08 May 2015	142	007

Bulletin

NOAA AR 2339 (Catania 54) at the east limb produced an X2.7 flare peaking at 22:11 UT on May 5, with an associated CME (not expected to arrive to the Earth). NOAA AR 2335 (Catania 51) produced two M-class flares (M1.3 at 14:25 UT and M2.6 at 17:24 UT). These active regions have potential for major flares.

A shock driven by the CME from May 2 arrived to the Earth at 00:50 UT, producing active geomagnetic conditions. Isolated active periods can still occur today. Quiet conditions are expected tomorrow.

Today's estimated international sunspot number (ISN): 089, based on 16 stations.

Solar indices for 05 May 2015

Wolf number Catania	109
10cm solar flux	128
AK Chambon La Forêt	014
AK Wingst	006
Estimated Ap	006
Estimated international sunspot number	074 - Based on 25 stations

Noticeable events summary

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

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