Viewing archive of Sunday, 8 September 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Sep 08 1226 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

	10cm flux	Ap
08 Sep 2013	096	008
09 Sep 2013	098	008
10 Sep 2013	100	007

Bulletin

Solar activity has been quiet during the past 24 hours, featuring only B flares. There is a chance for C flares within the next 48 hours. The solar wind ranged between 360 km/s and 400 km/s in the past 24 hours. In the same period, the Interplanetary Magnetic Field fluctuated between 1 and 6.5 nT. The geomagnetic activity was at quiet levels (K Dourbes between 0 and 3; NOAA Kp between 1 and 3) during the past 24 hours. Quiet geomagnetic conditions (K Dourbes < 4) are expected for September 8 to 10.

Today's estimated international sunspot number (ISN): 018, based on 12 stations.

Solar indices for 07 Sep 2013

Wolf number Catania	///
10cm solar flux	099
AK Chambon La Forêt	010
AK Wingst	004
Estimated Ap	002
Estimated international sunspot number	023 - Based on 14 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