Viewing archive of Friday, 27 December 2019

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2019 Dec 27 1231 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
27 Dec 2019	072	007
28 Dec 2019	071	007
29 Dec 2019	070	007

Bulletin

There is one active region visible on the sun (NOAA AR 2753 with alpha magnetic field configuration). Solar activity has been very low, no flares in the past 24 h, no changes expected.

No Earth directed CMEs in past 24 h. Solar protons have remained at background levels over the past 24 h.

The solar wind speed is at 370 km/s with interplanetary magnetic field magnitude of 4 nT. Geomagnetic conditions have been quiet and expected to remain so.

Today's estimated international sunspot number (ISN): 000, based on 15 stations.

Solar indices for 26 Dec 2019

Wolf number Catania	///
10cm solar flux	072
AK Chambon La Forêt	///
AK Wingst	005
Estimated Ap	003
Estimated international sunspot number	012 - Based on 11 stations

Noticeable events summary

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

All times in UTC

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