Prohlížíte si archiv sobota 27. června 2015

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2015 Jun 27 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Minor storm expected (A>=30 or K=5)

Sluneční protony

Proton event in progress (>10 MeV)

	10cm flux	Ap
27 Jun 2015	101	019
28 Jun 2015	096	025
29 Jun 2015	096	007

Bulletin

Solar activity has been low, only a C1.4 flare from NOAA AR 2371 peaking at 11:03 UT. This AR is decaying, but will likely produce more C-class and, less likely, M-class flares. 10 MeV protons are at the 10 pfu threshold. The CME from June 25 arrived at 02:20 UT to ACE, it was probably combined with the effects of a fast speed stream from a northern coronal hole. Solar wind speeds reached 900 km/s and interplanetary magnetic field magnitudes went up to 15 nT. Geomagnetic conditions have been only at unsettled levels due to a mostly northward oriented Bz. The situation may change in the coming hours and reach storm conditions during the course of the day.

Today's estimated international sunspot number (ISN): 016, based on 16 stations.

Solar indices for 26 Jun 2015

Wolf number Catania	026
10cm solar flux	101
AK Chambon La Forêt	014
AK Wingst	010
Estimated Ap	010
Estimated international sunspot number	018 - Based on 23 stations

Noticeable events summary

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

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