Viewing archive of Tuesday, 13 November 2018

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2018 Nov 13 1230 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
13 Nov 2018	068	006
14 Nov 2018	068	007
15 Nov 2018	068	007

Bulletin

There were no flares on the visible solar disc of the Sun in the past 24 hours. The chance for a C flare in the next 24 hours is estimated at only 2%.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

In the past 24 hours, solar wind speed near Earth as registered by DSCOVR rose from about 550 to 650 km/s and then decreased to current values around 475 km/s. The Interplanetary Magnetic Field (IMF) was predominantly directed towards the Sun and its magnitude varied between about 1 and 7 nT. Bz was never below -5 nT. Solar wind speed is expected to further decrease over the next days.

Quiet geomagnetic conditions (K Dourbes between 1 and 2; NOAA Kp between 1 and 2) were registered in the past 24 hours. Quiet to unsettled conditions (K Dourbes < 4) are expected on November 13, 14 and 15.

Today's estimated international sunspot number (ISN): 011, based on 17 stations.

Solar indices for 12 Nov 2018

Wolf number Catania	///
10cm solar flux	068
AK Chambon La Forêt	014
AK Wingst	012
Estimated Ap	010
Estimated international sunspot number	015 - Based on 12 stations

Noticeable events summary

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

All times in UTC

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