Vaata esmaspäev, 3 aprill 2023 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2023 Apr 03 1231 UTC

SIDC ennustus

Kehtib alates 1230 UTC, 03 Apr 2023 kuni 05 Apr 2023
Päikesepursked ehk loited

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10 cm voolAp
03 Apr 2023128005
04 Apr 2023130011
05 Apr 2023134003

Bülletään

The solar flaring activity is low with several low C-class flares reported during the last 24 hours. The largest reported flare was GOES C3.4 which peaked at 23:13 UT on April 02. The majority of the flaring activity, as well as the strongest reported flare, was originating from the NOAA AR 3270 which is still increasing in the sunspot area and the complexity of its photosperic magnetic field configuration (presently classified as beta). In the coming hours we expect C-class flares and possible, but not very probable isolated M-class flares. The flaring activity is expected to originate mostly from the NOAA AR 3270 and the non-numbered active region which is presently rotating on the visible side of the Sun (situated at the latitudes of about S30).

During last 24 hours there were no potentially Earth-directed CMEs detected in the coronagraph observations.

The greater than 10 MeV proton flux remained at the background levels, and the greater than 2 MeV electron flux was fluctuating around the 1000 pfu threshold. The 24h electron fluence is at moderate to normal level. We do not expect change in these three parameters in the coming 24 hours.

The solar wind velocity was slowly decreasing during last 24 hours and this morning is started to again increase to the present value of about 500 km/s. The interplanetary magnetic field magnitude is fluctuating around 5 nT. The solar wind originating from the two small negative polarity coronal holes reported yesterday might be expected at Earth starting from tomorrow.

During last 24 hours the geomagnetic conditions were quiet to unsettled. Local station at Dourbes reported K=3 and NOAA reported Kp=3+ around the midnight today. We expect such a geomagnetic conditions to persist in the coming hours.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 064, põhineb 19 jaamadel.

Päikese indeksid 02 Apr 2023

Catania Wolfi number///
10cm päikesevoog127
AK Chambon La Forêt021
AK Wingst016
Hinnanguline Ap017
Hinnanguline rahvusvaheline päikeselaikude arv045 - Põhineb 19 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
Puuduvad

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

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