Viewing archive of Saturday, 12 November 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2016 Nov 12 1231 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

Minor storm expected (A>=30 or K=5)

Solar protons

Quiet

	10cm flux	Ap
12 Nov 2016	078	020
13 Nov 2016	078	018
14 Nov 2016	078	007

Bulletin

Solar activity was very low. No C flares were observed in the past 24 hours. Solar activity is expected to remain very low (no C flaring) for the next 24 hours. An expected high speed stream from a negative coronal hole arrived at the Earth around 3h UT on November 12, with solar wind speed observed by DSCOVR gradually rising from about 440 km/s to about 650 km/s. In the past 24 hours, the magnitude of the Interplanetary Magnetic Field (IMF) gradually rose from about 10 to 16 nT and gradually decreased again to current levels of about 8 nT. No extended periods of negative Bz were registered. Quiet to unsettled conditions (K Dourbes between 1 and 3; NOAA Kp between 2 and 4) were registered in the past 24 hours. Active to minor storm conditions (K Dourbes = 4 to 5) are possible on November 12 and 13, with a slight chance for moderate storm conditions (K Dourbes = 6). Active conditions (K Dourbes = 4) are possible on November 14, with a slight chance for minor storm conditions (K Dourbes = 5).

Today's estimated international sunspot number (ISN): 012, based on 19 stations.

Solar indices for 11 Nov 2016

Wolf number Catania	053
10cm solar flux	078
AK Chambon La Forêt	019
AK Wingst	013
Estimated Ap	012
Estimated international sunspot number	030 - Based on 33 stations

Noticeable events summary

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

All times in UTC

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