Viewing archive of Tuesday, 13 March 2018

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2018 Mar 13 1230 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Solar protons

Quiet

	10cm flux	Ap
13 Mar 2018	068	011
14 Mar 2018	068	012
15 Mar 2018	068	008

Bulletin

Over the past 24 hours solar activity has been low. No significant flares have been recorded. No registered Active Regions (AR) are present on the disk. No Earth directed Coronal Mass Ejections (CMEs) have been detected. The greater than 10MeV proton flux remained at background levels over the past 24 hours. A low latitude coronal hole is currently located at low latitudes in the western hemisphere. Solar activity is expected to remain low over the next 24 hours with a low probability of C-class flares. The solar wind speed has fluctuated between 380 and 360 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 3.0 nT and 4.5 nT. The Bz component was largely positive but turned negative this morning, fluctuating between -4 and +4 nT. Geomagnetic conditions ranged between Kp index 0-2 (NOAA) over the past 24 hours. A negative polarity northern polar coronal hole passed the central meridian a couple of days ago and may increase solar wind speeds later today, which may enhance Geomagnetic conditions.

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

Solar indices for 12 Mar 2018

Wolf number Catania	000
10cm solar flux	068
AK Chambon La Forêt	005
AK Wingst	003
Estimated Ap	003
Estimated international sunspot number	000 - Based on 29 stations

Noticeable events summary

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

All times in UTC

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