Перегляд архіву вівторок, 3 грудня 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2013 Dec 03 1301 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
03 Dec 2013	137	013
04 Dec 2013	137	007
05 Dec 2013	137	007

Bulletin

NOAA AR 1913 on the west limb was responsible for most of the flaring activity yesterday. NOAA AR 1908, 1909 and 1912 are likely to cause C-flares. The chance for C-flares is around 50%, the chance for M-flares around 15%. X-flares are unlikely. The solar wind speed is around 400 km/s. A magnetic structure in the slow solar wind carries a negative magnetic z-component resulting in unsettled geomagnetic conditions. A coronal hole located just above the solar equator approached the central meridian. This coronal hole might influence the earth magnetosphere in a few days.

Today's estimated international sunspot number (ISN): 076, based on 17 stations.

Solar indices for 02 Dec 2013

Wolf number Catania	///
10cm solar flux	134
AK Chambon La Forêt	004
AK Wingst	000
Estimated Ap	001
Estimated international sunspot number	093 - Based on 21 stations

Noticeable events summary

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

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