Viewing archive of Sunday, 25 August 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Aug 25 1128 UTC

SIDC Forecast

Solar flares

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

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

Solar protons

Quiet

	10cm flux	Ap
25 Aug 2013	112	014
26 Aug 2013	110	002
27 Aug 2013	110	004

Bulletin

Flaring activity is very low. The X-ray background radiation is situated at the B-level. Solar wind speed has decreased to around 400 km/s. The magnitude of the interplanetary magnetic field is at 10 nT, with a negative Bz component. Current geomagnetic conditions are unsettled, which are expected to continue or increase to active levels during the next few hours.

Today's estimated international sunspot number (ISN): 036, based on 07 stations.

Solar indices for 24 Aug 2013

Wolf number Catania	///
10cm solar flux	117
AK Chambon La Forêt	009
AK Wingst	010
Estimated Ap	009
Estimated international sunspot number	052 - Based on 08 stations

Noticeable events summary

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

All times in UTC

<< Go to daily overview page