Viewing archive of Wednesday, 27 April 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2016 Apr 27 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 27 Apr 2016 until 29 Apr 2016
Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
27 Apr 2016085007
28 Apr 2016087007
29 Apr 2016089007

Bulletin

Solar activity is very low, only B-class flaring from NOAA 2536 (Catania 64). C-class flares are possible. Geomagnetic conditions have been quiet. The solar wind speed is at 450 km/s with interplanetary magnetic field magnitude around 5 nT. Quiet geomagnetic conditions are expected.

Today's estimated international sunspot number (ISN): 081, based on 18 stations.

Solar indices for 26 Apr 2016

Wolf number Catania075
10cm solar flux085
AK Chambon La Forêt013
AK Wingst008
Estimated Ap006
Estimated international sunspot number060 - Based on 31 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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