Viewing archive of Friday, 8 May 2015

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2015 May 08 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 08 May 2015 until 10 May 2015
Solar flares

Active (M-class flares expected, probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
08 May 2015147007
09 May 2015149007
10 May 2015151007

Bulletin

NOAA AR 2235 has decayed, so solar activity has been led by NOAA AR 2239. It produced several C-class flares in past 24 h. the strongest being a C5.5 with peak at 04:09 UT. M-class flares are possible. The solar wind is at nominal levels (speed 400 km/s, magnetic field magnitude 5 nT). Geomagnetic conditions are quiet and expected to remain so.

Today's estimated international sunspot number (ISN): 105, based on 15 stations.

Solar indices for 07 May 2015

Wolf number Catania///
10cm solar flux147
AK Chambon La Forêt015
AK Wingst008
Estimated Ap008
Estimated international sunspot number100 - Based on 28 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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