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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2024 Mar 12 1232 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

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

10cm fluxAp
12 Mar 2024127007
13 Mar 2024125016
14 Mar 2024123007

Solar Active Regions and flaring

There are four active regions visible on the solar disk. NOAA AR 3599 is the only one with a complex magnetic field configuration (beta-gamma-delta), and producing most of the recent flaring. The strongest flare was a C3.9, that peaked at 11:35 UTC, from NOAA AR 3599. M-class flares can be expected, X-class flares are possible.

Espulsioni di massa coronale

No Earth-directed CMEs were detected in the available coronagraph observations in the last 24 hours.

Fori coronali

An equatorial (positive polarity) coronal hole crossed the central meridian on March 10. The high speed solar wind from this coronal hole may arrive at Earth on 13 March.

Vento solare

The Earth is inside slow solar wind, with speeds close to 420 km/s and an interplanetary magnetic field around 5 nT. Similar solar wind conditions can be expected over the next 24 hours. A high speed stream and a glancing blow from the 11 March CME will probably create disturbed conditions in the second half of 13 March.

Geomagnetism

Geomagnetic conditions were quiet to unsettled (NOAA_Kp up to 3 and K_BEL up to 2). Similar conditions are expected for the next 24 hours. After that, a glancing blow from the 11 March CME and a high speed stream could arrive on 13 March and cause active conditions.

Proton flux levels

The greater than 10 MeV proton flux was below the threshold level over the past 24 hours and is expected to remain so for the next 24 hours.

Electron fluxes at geostationary orbit

The greater than 2 MeV electron flux from GOES 16 was slightly above the threshold level in the last 24 hours. It is expected to remain below the threshold during the next 24 hours. The 24h electron fluence was at normal level and is expected to remain so.

Today's estimated international sunspot number (ISN): 093, based on 07 stations.

Solar indices for 11 Mar 2024

Wolf number Catania108
10cm solar flux127
AK Chambon La Forêt009
AK Wingst004
Estimated Ap004
Estimated international sunspot number074 - Based on 14 stations

Noticeable events summary

DayBeginMaxFineLocStrengthOP10cmCatania/NOAARadio burst types
Nessuna

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)
Giorni senza macchie
Ultimo giorno senza macchie2022/06/08
Media mensile Numero di Macchie Solari
marzo 2025134.2 -20.4
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