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Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2016 Mar 05 1328 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
05 Mar 2016	103	010
06 Mar 2016	101	010
07 Mar 2016	099	007

Bulletin

There are currently ten numbered sunspot groups visible on the solar disc, majority of them having beta configuration of their photospheric magnetic field. The solar activity remains low with no C-class flares reported during the last 24 hours. The strongest reported flare was B4.7 flare which peaked at 10:56 UT on March 5. The flare originated from the Catania sunspot group 27 (NOAA 2506) currently situated at the West solar limb. We might expect isolated C-class flares (probability is about 35 %) in the coming hours. No Earth directed CMEs were observed in the last 24 hours.

The solar wind speed and the interplanetary magnetic field magnitude did not show significant change in last 24 hours, and their average values are still about 380 km/s and 5 nT, respectively. The arrival of the fast solar wind associated with the small equatorial coronal hole which reached the central meridian in the morning of March 2, might be expected at the Earth today. The geomagnetic conditions are currently quiet, we expect quiet to unsettled geomagnetic conditions in the coming hours.

Today's estimated international sunspot number (ISN): 075, based on 06 stations.

Solar indices for 04 Mar 2016

Wolf number Catania	///
10cm solar flux	101
AK Chambon La Forêt	004
AK Wingst	004
Estimated Ap	003
Estimated international sunspot number	100 - Based on 25 stations

Noticeable events summary

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

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