Viewing archive of Sunday, 5 June 2022

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2022 Jun 05 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 05 Jun 2022 until 07 Jun 2022
Solar flares

C-class flares expected, (probability >=50%)

Geomagnetism

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

Solar protons

Quiet

10cm fluxAp
05 Jun 2022101014
06 Jun 2022100007
07 Jun 2022098007

Bulletin

Over the past 24 hours, solar flaring activity has been very low, no C-class flares observed. There are six active regions visible on the disk. NOAA AR 3023 together with the newly numbered ARs 2028 and 2029, have alpha magnetic field configuration. NOAA ARs 3024, 3026 and 3027 have been stable and have beta magnetic field configuration. C-class flares are possible in the next 24 hours.

A filament erupted in the northern hemisphere, leading to a CME mostly directed to the north. This CME will most likely miss the Earth, but a glancing blow cannot be discarded on 7-8 July.

The greater than 10 MeV proton flux was at nominal levels and is expected to remain so in the next 24 hours. The greater than 2 MeV electron has been fluctuating around the 1000 pfu threshold over the past 24 hours. It can be expected to decrease in the next 24 hours. The 24h electron fluence is at moderate levels, and is expected to remain so in the next 24 hours.

The solar wind arriving to the Earth is slow, with speeds around 280 km/s and interplanetary magnetic field around 4 nT. The CME that erupted on 2 June could still arrive today, but it has probably passed to the west of the Earth. In that case, slow wind conditions can be expected for the next 24 hours.

Over the past 24 hours, geomagnetic conditions have been quiet (Kp=1, K_BEL=2). Over the next 24 hours, similar conditions can be expected, unless the ICME mentioned above arrives and causes disturbed conditions (probably only up to active levels).

Today's estimated international sunspot number (ISN): 050, based on 14 stations.

Solar indices for 04 Jun 2022

Wolf number Catania///
10cm solar flux101
AK Chambon La Forêt006
AK Wingst004
Estimated Ap002
Estimated international sunspot number071 - Based on 27 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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