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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2016 Nov 12 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 12 Nov 2016 until 14 Nov 2016
Brillamenti solari

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

Geomagnetism

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

Protoni solari

Quiet

10cm fluxAp
12 Nov 2016078020
13 Nov 2016078018
14 Nov 2016078007

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 Catania053
10cm solar flux078
AK Chambon La Forêt019
AK Wingst013
Estimated Ap012
Estimated international sunspot number030 - Based on 33 stations

Noticeable events summary

DayBeginMaxFineLocStrengthOP10cmCatania/NOAARadio burst types
Nessuna

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

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