Viewing archive of Saturday, 16 March 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Mar 16 1147 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

Minor geomagnetic storm expected (A>=30 or K=5)

Solar protons

Quiet

	10cm flux	Ap
16 Mar 2013	123	009
17 Mar 2013	121	004
18 Mar 2013	118	022

Bulletin

Solar activity was eruptive with several C flares and is expected to remain that way for the next 24 hours. A rise in the proton levels was detected, but still below 10 000/(cm2 s sr). The levels are, however, still rising, especially for the 10 MeV. A very small jump in the solar wind and a turbulent interplanetary magnetic field indicate the arrival of the CME detected by LASCO C2 on March 12th 11:00 UT. The geomagnetic condition remained quiet to moderate, but are expected to reach Active to Storm levels on Monday, March 18th around 13:00 UT with the arrival of the full halo CME of March 15th 7:12 UT.

Today's estimated international sunspot number (ISN): 078, based on 07 stations.

Solar indices for 15 Mar 2013

Wolf number Catania	///
10cm solar flux	123
AK Chambon La Forêt	014
AK Wingst	006
Estimated Ap	006
Estimated international sunspot number	083 - Based on 15 stations

Noticeable events summary

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

All times in UTC

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