Prohlížíte si archiv úterý 16. července 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2013 Jul 16 1249 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
16 Jul 2013	114	007
17 Jul 2013	115	006
18 Jul 2013	116	013

Bulletin

The flaring activity during past 24 hours was of the low C-class level. Most of the C-class flares originated from the Catania sunspot group 30 (NOAA AR 1791) which currently has beta-gamma-delta configurations of its photospheric magnetic field, and a significant potential to produce more C-class flares and possibly also M-class flare. The flaring activity is also expected from NOAA AR 1793 situated close to the east solar limb. The Earth is currently inside a slow solar wind flow with the speed of about 370 km/s. The interplanetary magnetic field is stable with the magnitude of about 4 nT. The arrival of the fast flow, from the low-latitude coronal hole in the northern hemisphere which reached the central meridian yesterday, is expected on July 18. The geomagnetic conditions are quiet and expected to remain so in the following hours.

Today's estimated international sunspot number (ISN): 051, based on 13 stations.

Solar indices for 15 Jul 2013

Wolf number Catania	///
10cm solar flux	114
AK Chambon La Forêt	017
AK Wingst	021
Estimated Ap	026
Estimated international sunspot number	050 - Based on 24 stations

Noticeable events summary

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

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