Viewing archive of Friday, 1 May 2015

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2015 May 01 1230 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

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

Solar protons

Quiet

	10cm flux	Ap
01 May 2015	108	014
02 May 2015	114	009
03 May 2015	120	009

Bulletin

There are only two active regions (AR) on the solar disk. NOAA AR 2335, located at the East limb, produced some flaring activity at the C-level before and after the UT midnight. No Earth-bound CMEs were observed. Further flaring activity at the C-level is expected, mainly from NOAA 2335. Solar wind speed was around 350 km/s till 7 UT, when it increased to a current value around 440 km/s. The magnitude of the Interplanetary Magnetic Field (IMF) remains near 10 nT, with a fluctuating Bz component. The quiet to unsettled (K=0 to 3) geomagnetic conditions are expected to continue, with some chance for a few time slots of active (K=4) conditions.

Today's estimated international sunspot number (ISN): 016, based on 11 stations.

Solar indices for 30 Apr 2015

Wolf number Catania	014
10cm solar flux	102
AK Chambon La Forêt	008
AK Wingst	005
Estimated Ap	004
Estimated international sunspot number	/// - Based on /// stations

Noticeable events summary

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

All times in UTC

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