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Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2014 May 01 1254 UTC

SIDC Forecast

Llamarada solar

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

Geomagnetism

Quiet (A<20 and K<4)

Protones solares

Quiet

	10cm flux	Ap
01 May 2014	130	009
02 May 2014	135	003
03 May 2014	135	004

Bulletin

Five sunspot groups are visible at the front side of the disk. Flaring activity was limited to six B-class flares. The sunspot groups were relatively stable. The CME mentioned in the last bulletin was a backsided event and is as such not-Earth bound. No Earth-directed CMEs are observed. C-class flares can be expected for the next 48 hours. Solar wind speed, measured by ACE, has increased to 350 km/s. The magnitude of the interplanetary magnetic field remains near 10 nT, and the vertical component varied between -10 and +8 nT. Geomagnetic conditions were quiet to active (local K at Dourbes and global NOAA Kp up to 4). Quiet to unsettled geomagnetic conditions are expected for the next 48 hours.

Today's estimated international sunspot number (ISN): 064, based on 19 stations.

Solar indices for 30 Apr 2014

Wolf number Catania	086
10cm solar flux	124
AK Chambon La Forêt	021
AK Wingst	016
Estimated Ap	016
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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