Vaata reede, 20 jaanuar 2023 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2023 Jan 20 1232 UTC

SIDC ennustus

Kehtib alates 1230 UTC, 20 Jan 2023 kuni 22 Jan 2023
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

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

10 cm voolAp
20 Jan 2023230012
21 Jan 2023228010
22 Jan 2023226008

Bülletään

Solar flaring activity was at low levels in the past 24 hours with several C-class flares being detected. The X-ray flux background remained at the C level. The largest flare was a C6.7 flare, peaking at 01:52 UTC on Jan 20, associated with active region NOAA 3190 (beta-gamma class). NOAA 3197 (beta class) and NOAA 3198 (beta class), that have recently rotated from behind the south-east limb, were inactive. NOAA AR 3184 (beta class), that was inactive, will rotate over the west solar limb in the next hours. NOAA ARs 3190 and 3192 remained the most complex (beta-gamma class) regions and produced several C-class flares in the last 24 hours. The solar flaring activity is likely to be at moderate levels over the next 24 hours with likely isolated M-class flares and a chance for X-class flares.

No Earth-directed coronal mass ejection (CME) were detected in the available coronagraph imagery over the past 24 hours.

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours but could become enhanced over the next 24 hours with chances of reaching minor radiation storm levels. The greater than 2 MeV electron flux has been below the 1000 pfu threshold and is expected to remain so. The 24h electron fluence was at nominal levels and is expected to remain so over the next 24 hours. The solar wind data from ACE and DSCOVR were not reliable in the last days, it included many gaps and errors. According to SOHO, the solar wind speed was close to 350 km/s until 00:30 UTC Jan 20, than it increased to values close to 500 km/s. The solar wind parameters are expected to be elevated in the next days, with the possible further enhancement due to HSS from a positive polarity coronal hole on Jan 20.

During the last 24 hours, the geomagnetic conditions were quiet. Geomagnetic conditions are expected to be quiet to active in the next days, with possible isolated minor storm periods during next hours due to arrival of the HSS on Jan 20.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 207, põhineb 07 jaamadel.

Päikese indeksid 19 Jan 2023

Catania Wolfi number///
10cm päikesevoog219
AK Chambon La Forêt014
AK Wingst006
Hinnanguline Ap007
Hinnanguline rahvusvaheline päikeselaikude arv209 - Põhineb 21 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
19102610271029N11E43M1.0SF52/3196

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

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