Viewing archive of Saturday, 13 August 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2016 Aug 13 1353 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

	10cm flux	Ap
13 Aug 2016	092	006
14 Aug 2016	090	014
15 Aug 2016	088	011

Bulletin

Solar activity is low with no C-class flares reported during last 24 hours. All five active regions, presently observed on the visible side of the solar disc have simple configuration of their photospheric magnetic field (two have beta and three alpha configuration). We expect flaring on the B-class level with possible isolated C-class flares. No Earth directed CMEs were observed in the last 24 hours.

The solar wind speed is still slowly decreasing and it presently amounts about 460 km/s. The interplanetary magnetic field is stable and amounts about 3 nT. The fast solar wind associated with the low latitude coronal hole (between S15 and S35) which reached central meridian in the afternoon of August 11 might arrive at the Earth in the afternoon of August 14. The geomagnetic conditions are presently quiet, and we expect quiet to unsettled conditions in the coming hours.

Today's estimated international sunspot number (ISN): 055, based on 20 stations.

Solar indices for 12 Aug 2016

Wolf number Catania	///
10cm solar flux	095
AK Chambon La Forêt	012
AK Wingst	014
Estimated Ap	014
Estimated international sunspot number	072 - Based on 31 stations

Noticeable events summary

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

All times in UTC

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