Viewing archive of Saturday, 17 August 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Aug 17 1203 UTC

SIDC Forecast

Valid from 1230 UTC, 17 Aug 2013 until 19 Aug 2013
Solar flares

Eruptive (C-class flares expected, probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
17 Aug 2013120007
18 Aug 2013120007
19 Aug 2013115007

Bulletin

We expect solar activity to stay at eruptive levels with chances for C class flares from NOAA ARs 1817 and 1818 and a slight risk for an isolated M class flare. Geomagnetic conditions should be essentially quiet for the next 48 hours.

Today's estimated international sunspot number (ISN): 069, based on 12 stations.

Solar indices for 16 Aug 2013

Wolf number Catania///
10cm solar flux120
AK Chambon La Forêt026
AK Wingst028
Estimated Ap029
Estimated international sunspot number066 - Based on 24 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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