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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2016 Mar 06 1253 UTC

SIDC Forecast

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
06 Mar 2016	095	007
07 Mar 2016	090	010
08 Mar 2016	088	006

Bulletin

Only B-class flares were reported during last 24 hours. The strongest reported flare was B7.2 flare (peak at 05:12 UT this morning) from the Catania sunspot group 33 (NOAA AR 2512). We expect solar activity to be low with a possibility for an isolated C-class flare in the coming hours (probability of about 30%). No Earth directed CMEs were observed in the last 24 hours.

The solar wind speed is still about 380 km/s. From about 20:00 UT on March 5, the interplanetary magnetic field magnitude started to slowly increase, coincidently with the smooth change of the phi angle and very small increase of the density. All this indicates possible arrival of an ICME. The magnetic field magnitude is currently about 20 nT and the Bz component was predominantly positive. If the Bz component of the magnetic field turns negative we can expect disturbed geomagnetic conditions. Since the solar wind speed is low we can expect unsettled to active geomagnetic conditions. Currently geomagnetic conditions are quiet.

Today's estimated international sunspot number (ISN): 066, based on 16 stations.

Solar indices for 05 Mar 2016

Wolf number Catania	///
10cm solar flux	096
AK Chambon La Forêt	007
AK Wingst	003
Estimated Ap	003
Estimated international sunspot number	069 - Based on 17 stations

Noticeable events summary

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

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