Viewing archive of Monday, 12 March 2018

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2018 Mar 12 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 12 Mar 2018 until 14 Mar 2018
Solar flares

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

Geomagnetism

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

Solar protons

Quiet

10cm fluxAp
12 Mar 2018068001
13 Mar 2018068011
14 Mar 2018068015

Bulletin

Over the past 24 hours solar activity has been low. No significant flares have been recorded. No 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 near disk centre. 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 460 and 360 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 2 nT and 5 nT. The Bz component was largely positive, fluctuating between -2.5 and +3.5 nT. Geomagnetic conditions ranged between Kp index 0-1 (NOAA) over the past 24 hours. There is currently a negative polarity low latitude northern polar coronal hole which has moved into the western hemisphere and may increase solar wind speeds over the coming days. Geomagnetic conditions are expected to be quiet before becoming unsettled with the arrival of the high-speed stream (HSS) associated with the coronal hole.

Today's estimated international sunspot number (ISN): 000, based on 21 stations.

Solar indices for 11 Mar 2018

Wolf number Catania///
10cm solar flux068
AK Chambon La Forêt007
AK Wingst004
Estimated Ap004
Estimated international sunspot number000 - Based on 29 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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