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Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2024 Jun 12 1231 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

Quiet (A<20 and K<4)

Proton Flux monitor

Warning condition (activity levels expected to increase, but no numeric forecast given)

10cm fluxAp
12 Jun 2024161005
13 Jun 2024157003
14 Jun 2024155003

Zonnevlekkengebieden en zonnevlammen

Solar flaring activity over the last 24 hours has been at low levels, with C-class flares only. The strongest flare was a C9.1 flare peaking at 04:43 UTC, associated with NOAA AR 3697 (previously beta-gamma-delta) which has rotated beyond the visible disk. There are currently six active regions on the solar disk. The most complex regions are NOAA AR 3707, 3709 and 3711 (all beta). NOAA AR 3703 and NOAA AR 3710 have rotated behind the west limb. NOAA AR 3704 has decayed into plage. Two new ARs, NOAA AR 3712 and NOAA AR 3713 are rotating on disk from the south-east limb. The solar flaring activity is expected to be at low levels over the next 24 hours, with C-class flares expected and a small chance of M-class flares.

Coronale massa uitstoten

An asymmetric halo CME was first detected around 22:43 on June 11 in SOHO/LASCO-C2. It is most likely backsided and it is not expected to have an impact on Earth. A Type II radio burst reported at 22:51 UTC on June 11, is most likely associated with this CME. The partial halo CME detected at 23:36 UTC on June 10 in SOHO/LASCO-C2 is most likely backsided and it is not expected to have an impact on Earth.

Zonnewind

The Earth is inside the slow solar wind, with speed values ranging from 335 km/s to 417 km/s and an interplanetary magnetic field around 5 nT. The Bz component varied between -3.8 nT and 5.3 nT. The interplanetary magnetic field phi angle was predominantly in the positive sector. Slow solar wind conditions are expected over the next 24 hours.

Geomagnetisme

Geomagnetic conditions were globally and locally at quiet levels (NOAA Kp and K BEL between 0 and 2). Similar quiet conditions are expected over the next 24 hours.

Proton flux niveaus

The greater than 10 MeV proton flux was below the threshold level over the past 24 hours but has increased near the threshold around 05:00 UTC, possibly as a result of flaring activity from NOAA AR 3697. It is expected to remain below the threshold level over the next 24 hours but could increase in case of further events particularly from NOAA AR 3697.

Elektronenfluxen in geostationaire baan

The greater than 2 MeV electron flux was below the threshold level in the last 24 hours and is expected to remain so over the next 24 hours. The 24h electron fluence is presently at normal levels and is expected to remain so over the next 24 hours.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 113, gebaseerd op 16 stations.

Zon indexen voor 11 Jun 2024

Wolfgetal Catania113
10cm zonneflux165
AK Chambon La Forêt009
AK Wingst013
Geschatte Ap013
Geschat internationaal zonnevlekkengetal103 - Gebaseerd op 24 stations

Overzicht opvallende gebeurtenissen

DagStartMaxEindeLocatieSterkteOP10cmCatania/NOAASoorten radio-uitbarstingen
Geen

Aangeboden door het Solar Influences Data Analysis Center© - SIDC - Verwerkt door SpaceWeatherLive

Alle tijden in UTC

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Deze dag in de geschiedenis*

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