Viewing archive of Sunday, 11 August 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Aug 11 1209 UTC

SIDC Forecast

Valid from 1230 UTC, 11 Aug 2013 until 13 Aug 2013
Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
11 Aug 2013103007
12 Aug 2013105014
13 Aug 2013106011

Bulletin

There are currently 6 numbered AR on the solar disk. Solar activity was mostly quiet, but counted 2 low C-class flares both from AR NOAA 1818. Activity is expected to remain mostly quiet although an isolated C-class flare is possible. Geomagnetic conditions where quiet to active in the last 24 hours. In the evening of August 12th active conditions are expected due to the arrival of the CME of August 7th.

Today's estimated international sunspot number (ISN): 053, based on 17 stations.

Solar indices for 10 Aug 2013

Wolf number Catania///
10cm solar flux103
AK Chambon La Forêt///
AK Wingst008
Estimated Ap007
Estimated international sunspot number047 - Based on 17 stations

Noticeable events summary

DayBeginMaxEndLocStrengthOP10cmCatania/NOAARadio burst types
None

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

All times in UTC

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Active geomagnetic conditions

Observed Kp: 4
Threshold reached: 22:46 UTC

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Reykjavik

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Tórshavn
Oulu, Rovaniemi
Trondheim
Kiruna, Luleå, Sundsvall, Umeå

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