Vaata pühapäev, 12 juuni 2022 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2022 Jun 12 1239 UTC

SIDC Forecast

Valid from 1230 UTC, 12 Jun 2022 until 14 Jun 2022
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
12 Jun 2022115013
13 Jun 2022116013
14 Jun 2022117007

Bulletin

Solar activity was low with a couple of low C flares. All those flares were from NOAA active region 3030 in the northeast. The most significant one was a long duration C1.8 flare peaking at around 8:38UT. NOAA active region 3029 has decayed into plage and footpoint spreading and decay was observed in the new region NOAA 3031. The larger bipolar region NOAA 3030 remains the most significant region on disc. Flaring at C level is expected with still a chance for an isolated M flare.

No new Earth directed CMEs have been recorded in coronagraph data.

The greater than 10 MeV proton flux was at background levels and is expected to remain so. The greater than 2 MeV electron flux remained below the 1000 pfu alert threshold. The 24h electron fluence was at normal levels and is expected to be at low to normal levels.

An equatorial positive polarity coronal hole is transiting the central meridian. It is expected to influence Solar wind near Earth from June 15 onwards.

Slow solar wind conditions were observed. Though after 8UT solar wind speed has seen an increase to around 450 km/s. The interplanetary magnetic field also became enhanced with a magnitude now reaching 15 nT. The north-south component was variable with Bz peaking down to -11nT. The phi angle now indicates connection with a positive sector (magnetic field away from the Sun). Essentially slow solar wind conditions are expected over the next days. An increase in solar wind conditions is expected by 15 June under the influence of the high speed stream from a positive polarity coronal hole.

Geomagnetic conditions were quiet to unsettled (NOAA Kp 1-2 and local K Belgium 0-3). Quiet to unsettled geomagnetic conditions are expected over the next days.

Today's estimated international sunspot number (ISN): 058, based on 26 stations.

Solar indices for 11 Jun 2022

Wolf number Catania///
10cm solar flux112
AK Chambon La Forêt///
AK Wingst011
Estimated Ap010
Estimated international sunspot number040 - Based on 28 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

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

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