Viewing archive of Saturday, 11 August 2018

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2018 Aug 11 1230 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
11 Aug 2018	070	010
12 Aug 2018	070	013
13 Aug 2018	070	007

Bulletin

No C-class flares in past 24 h. Solar activity is expected to remain at very low levels.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours.

The solar wind speed is at 400 km/s with interplanetary magnetic fields of 5 nT. Geomagnetic conditions have been quiet. The fast solar wind associated with a small negative polarity equatorial coronal hole may affect the Earth in 24 h, causing isolated active conditions at most.

Today's estimated international sunspot number (ISN): 000, based on 21 stations.

Solar indices for 10 Aug 2018

Wolf number Catania	///
10cm solar flux	070
AK Chambon La Forêt	008
AK Wingst	006
Estimated Ap	003
Estimated international sunspot number	000 - Based on 31 stations

Noticeable events summary

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

All times in UTC

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