Viewing archive of Tuesday, 4 June 2019

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2019 Jun 04 1230 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
04 Jun 2019	070	008
05 Jun 2019	070	004
06 Jun 2019	070	005

Bulletin

Solar activity has been quiet over the past 24 hours. The X-ray flux remained at background levels, and the visible solar disc is spotless. EUV imagery reveals a simple magnetic structure in the Eastern hemisphere, but appears stable in magnetogram observations. Solar activity is expected to remain at low levels for the next 24 hours.

No Earth directed Coronal Mass Ejections (CME) have been detected in the available coronagraph imagery. The greater than 10 MeV solar protons flux remained at nominal levels over the past 24 hours and is expected to remain so.

The solar wind speed has fluctuated between 300 and 340 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 2.0 and 6.5 nT. The Bz component fluctuated around 0 nT, between -3.0 and 5.0 nT. Geomagnetic conditions fluctuated between Kp index 1-2 (NOAA) and local K index 0-3 (Dourbes) over the past 24 hours. The Earth is currently under the influence of a slow solar wind stream, however a region of patchy coronal hole has passed the central meridian and may enhance solar winds slightly over the coming days. Geomagnetic conditions are expected to be quiet with a small possibility of unsettled conditions.

Today's estimated international sunspot number (ISN): 000, based on 24 stations.

Solar indices for 03 Jun 2019

Wolf number Catania	000
10cm solar flux	070
AK Chambon La Forêt	008
AK Wingst	005
Estimated Ap	004
Estimated international sunspot number	000 - Based on 28 stations

Noticeable events summary

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

All times in UTC

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