Vaata kolmapäev, 29 mai 2024 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2024 May 29 1245 UTC

SIDC ennustus

Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10 cm voolAp
29 May 2024184010
30 May 2024195007
31 May 2024205007

Päikese aktiivsed piirkonnad ja pursked

Solar activity was moderate over the last 24 hours. The largest flare of the period was an M1.8 flare from Catania sunspot group 27 (NOAA AR 3695) with peak time 11:21 UTC. Further M-class flares, an M1.4 and M1.3, with peak times 06:45 UTC and 01:06 UTC on May 29, respectively were recorded from Catania sunspot group 28 (NOAA AR 3697). The other complex region on the disk, Catania sunspot group 22 (NOAA AR 3691), was stable and produced C-class flaring. The rest of the regions were quiet and either stable or in decay. The solar flaring activity is expected to be moderate over the next 24 hours with C-class flares expected, M-class flares likely and a low probability for further X-class flares.

Krooniaine massiline väljavool

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

Päikesetuul

The solar wind conditions reflected a slow solar wind regime with speeds between 310 and 360 km/s. The interplanetary magnetic field was stable around 6nT before showing a small jump to 8nT around 05:00 UTC followed by a gradual increase to values around 10nT. The Bz component was mostly positive with a minimum value of -1 nT. Generally slow solar wind conditions are expected to continue on May 29 and 30.

Geomagnetism

Geomagnetic conditions were at quiet to unsettled levels (NOAA Kp 2 and Local K Bel 3). Geomagnetic conditions are expected to be mostly at quiet to unsettled levels on May 29 and 30.

Prootoni voo tasemed

Over the past 24 hours the greater than 10 MeV GOES proton flux was below the 10pfu threshold and is expected to remain so. There is a slight chance that the proton flux may increase due to strong flaring from NOAA ARs 3697 or 3691, but this is unlikely due to their current position.

Elektronivoog geostatsionaarsel orbiidil

The greater than 2 MeV electron flux remained below the 1000 pfu threshold as measured by GOES 16. It is expected to remain below this threshold over the next days. The 24-hour electron fluence was at nominal levels. The electron fluence is expected remain at nominal levels over the next day.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 155, põhineb 15 jaamadel.

Päikese indeksid 28 May 2024

Catania Wolfi number164
10cm päikesevoog166
AK Chambon La Forêt008
AK Wingst006
Hinnanguline Ap005
Hinnanguline rahvusvaheline päikeselaikude arv152 - Põhineb 21 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
29005701060112S18E71M1.3SF28/3697
29063306450658S20E68M1.4SF28/3697
29110911211126----M1.822/3691

Andmed on esitanud Päikeseinfektide Andmeanalüüsi Keskus (Solar Influences Data Analysis Center)© - SIDC - Töötleb SpaceWeatherLive

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