Перегляд архіву середа, 20 листопада 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2013 Nov 20 1206 UTC

SIDC Forecast

Сонячні спалахи

Active (M-class flares expected, probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
20 Nov 2013	145	005
21 Nov 2013	140	007
22 Nov 2013	140	007

Bulletin

Solar activity has been rather moderate during the past 24 hours, with only weak C class flares since the X class event of yesterday. The 10 MeV proton flux rose sharply soon after the flare but did not cross the event threshold. Active conditions are expected for the next 48 hours, with still a risk for an isolated M class flare from NOAA AR 1893, and to a lesser extent NOAA AR 1897. We expect quiet geomagnetic conditions to prevail for the next 48 hours. The CME associated with the X1.0 flare of Nov. 19 is not expected to be geoeffective. Current ACE measurements reveal quiet interplanetary conditions.

Today's estimated international sunspot number (ISN): 059, based on 13 stations.

Solar indices for 19 Nov 2013

Wolf number Catania	126
10cm solar flux	153
AK Chambon La Forêt	010
AK Wingst	005
Estimated Ap	004
Estimated international sunspot number	082 - Based on 19 stations

Noticeable events summary

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

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