Vaata pühapäev, 4 detsember 2022 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2022 Dec 04 1237 UTC

SIDC ennustus

Kehtib alates 1230 UTC, 04 Dec 2022 kuni 06 Dec 2022
Päikesepursked ehk loited

C-class flares expected, (probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10 cm voolAp
04 Dec 2022140010
05 Dec 2022145006
06 Dec 2022148010

Bülletään

The solar flaring activity was at moderate levels. The largest flare was an impulsive M1.2 flare, peaking at 17:45 UT, associated with newly numbered region NOAA AR 3157 near the northeast limb. This event was also associated with a Type II radio emission. New region, NOAA AR 3158, emerged in the northern hemisphere but remains simple and has been inactive. Catania sunspot groups 8 and 11 (NOAA ARs 3153 and 3156) produced low level C-class flares. Catania sunspot group 9 (NOAA ARs 3155) showed some flux emergence. Catania sunspot group 7 (NOAA AR 3154) decayed and was inactive. Solar flaring activity is expected to be at low levels, with C-class flares likely and a chance for M-class flares.

No Earth directed CMEs were detected in the available coronagraph imagery.

In the past 24 hours the greater than 10 MeV proton flux was below the minor-storm warning threshold and is expected to remain so. The greater than 2 MeV electron flux exceeded the 1000 pfu threshold during the last 24 hours. The electron flux is expected to continue to exceed this threshold over the next day. The 24h electron fluence was at moderate to high levels. The 24h electron fluence is expected to be at moderate to high levels in the next 24 hours.

On December 04, a large trans-equatorial negative polarity coronal hole began to transit the central meridian.

The solar wind conditions reflected the waning influence of the high-speed stream. The solar wind speed ranged between 570 km/s and 490 km/s. The interplanetary magnetic field magnitude ranged between 1 and 7 nT. The magnetic field orientation was predominantly in the positive sector (field directed away from the Sun). The solar wind speed is expected to continue to gradually decrease over the next 24 hours.

Geomagnetic conditions were quiet to unsettled (NOAA KP 2-3 and Local K Dourbes 2-3). Geomagnetic conditions are expected to be at quiet to unsettled levels over the next day.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 110, põhineb 03 jaamadel.

Päikese indeksid 03 Dec 2022

Catania Wolfi number///
10cm päikesevoog134
AK Chambon La Forêt015
AK Wingst010
Hinnanguline Ap010
Hinnanguline rahvusvaheline päikeselaikude arv093 - Põhineb 06 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
03173617411745N18E83M1.2SN--/3157III/2II/2

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

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