Viewing archive of Saturday, 24 June 2017

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2017 Jun 24 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 24 Jun 2017 until 26 Jun 2017
Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
24 Jun 2017074006
25 Jun 2017074008
26 Jun 2017075018

Bulletin

Over the past 24 hours solar activity has been low. No significant flares have been recorded. No Earth directed Coronal Mass Ejections (CMEs) have been detected. There's a small northern coronal hole extending to lower latitudes in the western hemisphere that may increase solar wind speeds in a couple of days. Solar activity is expected to remain low over the next 24 hours with a low probability of C-class flares and a very low probability of M-class flares. The solar wind speed has slowly increased from around 320 km/s to 400 km/s over the past 24 hours. The total magnetic field strength has fluctuated around 7 nT. The Bz component fluctuated between -7 nT and +7 nT. Geomagnetic conditions ranged between Kp index 1-2 (NOAA) and local K index 1-2 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet but the increasing solar wind speeds may enhance geomagnetic conditions.

Today's estimated international sunspot number (ISN): 026, based on 11 stations.

Solar indices for 23 Jun 2017

Wolf number Catania023
10cm solar flux074
AK Chambon La Forêt012
AK Wingst006
Estimated Ap007
Estimated international sunspot number022 - Based on 30 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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