Vaata kolmapäev, 14 september 2016 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2016 Sep 14 1259 UTC

SIDC Forecast

Päikesepursked ehk loited

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

	10cm flux	Ap
14 Sep 2016	086	008
15 Sep 2016	083	006
16 Sep 2016	081	007

Bulletin

Solar activity was very low in the past 24 hours. No flares, no Earth-directed CMEs were observed. Three active regions are presently observed on the visible side of the solar disc. Their photospheric magnetic field configuration is simple. Solar proton flux intensity is expected to lie within the background levels. Solar activity is expected to be low with some probability for C-class flares. The Solar wind speed measured by DSCOVR and ACE continued to decline till 280 km/s (at 02:30 UT today) then it increased till 350 km/s (at 12:00 UT today) as the result of the sector boundary crossing. Simultaneously the magnitude of the Interplanetary Magnetic Field (Bt) has increased from 6 nT to 9 nT, while Bz has been mainly negative and decreased till -7 nT. There are currently no significant coronal holes on the solar disk that may influence the Earth. In the past 24 hours, geomagnetic conditions have been quiet (K Dourbes between 1 and 3; NOAA Kp between 1 and 2). Geomagnetic activity is expected to remain the low over the next 24 hours.

Today's estimated international sunspot number (ISN): 029, based on 19 stations.

Solar indices for 13 Sep 2016

Wolf number Catania	047
10cm solar flux	086
AK Chambon La Forêt	007
AK Wingst	004
Estimated Ap	004
Estimated international sunspot number	038 - Based on 31 stations

Noticeable events summary

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

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