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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2024 Jun 07 1231 UTC

SIDC Forecast

Brillamenti solari

M-class flares expected (probability >=50%)

Geomagnetism

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

Protoni solari

Quiet

10cm fluxAp
07 Jun 2024193008
08 Jun 2024193016
09 Jun 2024190007

Solar Active Regions and flaring

Solar flaring activity was moderate over the past 24 hours. The largest flare was a M6.1-flare, with peak time 15:25 UTC on June 06, from NOAA AR 3697 (beta-gamma-delta). There are currently 9 numbered active regions on the visible disk. NOAA AR 3697 is the most complex AR (beta-gamma-delta) and responsible for the majority of the flaring activity. The solar flaring activity is expected to be at moderate levels over the coming day with C-class flares expected and M-class flares likely and a chance of X-class flares.

Espulsioni di massa coronale

No new Earth-directed Coronal Mass Ejections (CMEs) have been detected in the available coronagraph images.

Vento solare

The solar wind at the Earth was slow, with speeds up to 400 km/s and interplanetary magnetic field around 7nT and Bz reaching minimum value of -6nT. The possible arrival of high-speed stream from the coronal hole that crossed the central meridian late June 04 is expected on June 08.

Geomagnetism

Geomagnetic conditions were quiet to unsettled both globally and locally (NOAA Kp 3-, Local K Bel 3). Geomagnetic conditions may reach active levels on June 08 due to a high speed stream arrival.

Proton flux levels

Over the past 24 hours, the greater than 10 MeV GOES proton flux remained below the 10 pfu threshold and is expected to remain so over the next day. There is a slight chance that the proton flux may increase due to strong flaring from NOAA AR 3697.

Electron fluxes at geostationary orbit

The greater than 2 MeV electron flux remained below the 1000 pfu alert threshold, and is expected to remain below the threshold during the next 24 hours. The 24h electron fluence was at normal levels and is expected to remain so.

Today's estimated international sunspot number (ISN): 159, based on 21 stations.

Solar indices for 06 Jun 2024

Wolf number Catania182
10cm solar flux191
AK Chambon La Forêt010
AK Wingst007
Estimated Ap007
Estimated international sunspot number167 - Based on 24 stations

Noticeable events summary

DayBeginMaxFineLocStrengthOP10cmCatania/NOAARadio burst types
06145015061522S20W41M6.12B28/3697
07085209130930S10E80M4.0SF--/3709III/1

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

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Notizie sul meteo spaziale

Ultimo brillamento X2025/03/28X1.1
Ultimo brillamento M2025/04/01M2.5
Ultima tempesta geomagnetica2025/03/27Kp5 (G1)
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Ultimo giorno senza macchie2022/06/08
Media mensile Numero di Macchie Solari
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