Viewing archive of Saturday, 19 March 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2016 Mar 19 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 19 Mar 2016 until 21 Mar 2016
Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
19 Mar 2016090012
20 Mar 2016090008
21 Mar 2016090016

Bulletin

Flaring activity was very low, without any C-class flares. The regions NOAA 2519 and 2524 remain quite stable. No Earth-directed CMEs were observed. There is a probability of 25% for C-class flares.

The solar wind speed remained between 400 and 500 km/s. The magnetic field magnitude was about 5-8 nT, with a fluctuating north-south component. Geomagnetic conditions were mainly quiet (K=0-2) to unsettled (K=3), with a time slot of active conditions (K=4) at 9h UT both at local (Dourbes) and global (NOAA estimated Kp) levels. Mainly quiet to unsettled conditions are expected to continue.

Today's estimated international sunspot number (ISN): 037, based on 05 stations.

Solar indices for 18 Mar 2016

Wolf number Catania///
10cm solar flux090
AK Chambon La Forêt///
AK Wingst009
Estimated Ap009
Estimated international sunspot number040 - Based on 22 stations

Noticeable events summary

DayBeginMaxEndLocStrengthOP10cmCatania/NOAARadio burst types
None

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

All times in UTC

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