Vaata pühapäev, 25 august 2024 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2024 Aug 25 1231 UTC

SIDC Forecast

Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
25 Aug 2024233007
26 Aug 2024234011
27 Aug 2024234012

Solar Active Regions and flaring

Solar flaring activity was moderate over the past 24 hours. The largest flare was a M1.4-flare, with peak time 23:24 UTC on August 24 2024, from NOAA AR 3800 (beta-gamma). There are currently 9 numbered active regions on the visible disk, with NOAA AR 3796 (beta- gamma) and NOAA AR 3800 (beta-gamma) producing the M-class flares. The solar flaring activity is expected to be at moderate levels over the next 24 hours with C-class flares expected, M-class flares probable and a small chance of X-class flares.

Krooniaine massiline väljavool

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

Päikesetuul

The solar wind at the Earth remained slow over the last 24 hours. The solar wind speed slightly decreased from around 370km/s to around 350 km/s and the interplanetary magnetic field was stable around 5 nT. The Bz reached a minimum value of -6 nT. Slow solar wind conditions are expected in the next 24h.

Geomagnetism

Geomagnetic conditions were globally and locally quiet to unsettled (Kp 3 and K Bel 3). Quiet conditions are expected in the next 24 hours.

Proton flux levels

The greater than 10 MeV proton flux remained below the 10 pfu threshold and is expected to remain so over the next days.

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): 205, based on 18 stations.

Solar indices for 24 Aug 2024

Wolf number Catania///
10cm solar flux232
AK Chambon La Forêt017
AK Wingst009
Estimated Ap011
Estimated international sunspot number235 - Based on 20 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
24184618581917S04E03M1.0S58/3796
24191719301935----M1.458/3796
24212821462155S25E09M1.31F60/3800
24231823242332S25E08M1.71N60/3800

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

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