Viewing archive of Wednesday, 17 September 2014

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2014 Sep 17 1509 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Warning condition (activity levels expected to increase, but no numeric forecast given)

	10cm flux	Ap
17 Sep 2014	133	007
18 Sep 2014	132	007
19 Sep 2014	132	007

Bulletin

Only minor C-class flares in past 24 hours. The strongest one was a C2.6 from Catania 54 (NOAA 2164) peaking at 03:34 UT. Same conditions are expect to continue. Geomagnetic conditions are quiet and expected to remain so.

Today's estimated international sunspot number (ISN): 088, based on 17 stations.

Solar indices for 16 Sep 2014

Wolf number Catania	///
10cm solar flux	133
AK Chambon La Forêt	018
AK Wingst	010
Estimated Ap	009
Estimated international sunspot number	077 - Based on 21 stations

Noticeable events summary

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

All times in UTC

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