Viewing archive of Thursday, 28 July 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2016 Jul 28 1230 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

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

Solar protons

Quiet

	10cm flux	Ap
28 Jul 2016	072	025
29 Jul 2016	073	008
30 Jul 2016	074	007

Bulletin

Flaring activity has been very low, no C-class flares in past 24 h. There are two new active regions (no NOAA numbers yet), Catania 13 that emerged close to disk center and Catania 14 rotating over the east limb. They both have still a very simple magnetic field configuration, no large flares expected.

Unsettled to active geomagnetic conditions were registered in the past 24 h, due to the effect of a compression region ahead of the high speed stream expected for today. Solar wind speed is still low, at 390 km/s with interplanetary magnetic field magnitude of 5 nT. Minor storm conditions can be expected.

Today's estimated international sunspot number (ISN): 000, based on 17 stations.

Solar indices for 27 Jul 2016

Wolf number Catania	000
10cm solar flux	072
AK Chambon La Forêt	012
AK Wingst	004
Estimated Ap	003
Estimated international sunspot number	000 - Based on 33 stations

Noticeable events summary

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

All times in UTC

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