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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2013 May 26 1203 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
26 May 2013	123	017
27 May 2013	125	007
28 May 2013	125	007

Bulletin

Only 2 C-class flares were recorded in the last 24 hours. Solar activity is expected to remain eruptive. A M-class flare is still possible. Solar wind speed is currently around 700 km/s, but the interplanetary magnetic field Bz component is around 0 nT. Geomagnetic activity has reached active to storm levels in the last 24 hours, but is expected to calm down to quiet levels in the evening of May 26th. It is expected to remain quiet for the next 48 hours.

Today's estimated international sunspot number (ISN): 067, based on 08 stations.

Solar indices for 25 May 2013

Wolf number Catania	///
10cm solar flux	121
AK Chambon La Forêt	047
AK Wingst	033
Estimated Ap	037
Estimated international sunspot number	078 - Based on 20 stations

Noticeable events summary

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

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