Перегляд архіву вівторок, 19 березня 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2013 Mar 19 1154 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
19 Mar 2013	108	001
20 Mar 2013	105	001
21 Mar 2013	105	001

Bulletin

Current flaring activity at the Sun is low, with a C4.3 flare being the main event in the past 24 hours. Catiana region 19 (NOAA AR1698) responsible for this flare is rotating behind the west limb. An isolated C-class flare is possible, but an M-flare is unlikely.

The solar wind speed near the Earth currently is low (around 450 km/s) and the interplanetary magnetic field is at 8 nT. We expect quiet geomagnetic conditions in the next 48 hours.

Today's estimated international sunspot number (ISN): 051, based on 09 stations.

Solar indices for 18 Mar 2013

Wolf number Catania	///
10cm solar flux	118
AK Chambon La Forêt	///
AK Wingst	008
Estimated Ap	007
Estimated international sunspot number	075 - Based on 15 stations

Noticeable events summary

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

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