Prohlížíte si archiv sobota 16. listopadu 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2013 Nov 16 1449 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
16 Nov 2013	178	015
17 Nov 2013	177	011
18 Nov 2013	176	008

Bulletin

The strongest of two M-class flares observed during last 24 hours was M1.4 flare (peaked at 07:49 UT today) from the Catania sunspot group 41 (NOAA AR 1900). We expect C-class flares and M-class flares, in particular from Catania sunspot groups 45, 41 and 38 (NOAA ARs 1897, 1900 and 1893, respectively). The X-class flares are possible but not very probable. Earth is currently inside of a fast flow with a speed of about 550 km/s. The fast flow is associated with the low-latitude coronal hole in the northern hemisphere. The interplanetary magnetic field magnitude is about 10 nT. The geomagnetic conditions are quiet and expected to remain so during the following hours.

Today's estimated international sunspot number (ISN): 130, based on 09 stations.

Solar indices for 15 Nov 2013

Wolf number Catania	165
10cm solar flux	178
AK Chambon La Forêt	020
AK Wingst	015
Estimated Ap	013
Estimated international sunspot number	113 - Based on 12 stations

Noticeable events summary

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

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