Vaata neljapäev, 31 märts 2022 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2022 Mar 31 1303 UTC

SIDC ennustus

Kehtib alates 1230 UTC, 31 Mar 2022 kuni 02 Apr 2022
Päikesepursked ehk loited

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

Geomagnetism

Moderate (ISES: Major) magstorm expected (A>=50 or K=6)

Päikese prootonid

Quiet

10 cm voolAp
31 Mar 2022151044
01 Apr 2022150025
02 Apr 2022150017

Bülletään

Solar activity has been high over the past 24 hours. An interplay of events between region NOAA 2976 and 2975 was followed by an X1.3-class flare, peak time March 30th 17:37UT, region of origin 2975. This continues to be the most magnetically complex active region on disk. Over the next 24 hours, C-class flares will most likely happen, M-class flares can be expected and X-ray flares cannot be excluded.

The X1.3-class flare was associated with a Coronal Mass Ejection (CME) seen in Stereo A Cor2 images on March 30th 18:23UT. A resulting coronal wave was visible. More will be reported but due to the location of the active region it is expected to be Earth directed. A second CME detected by Cactus on March 31st 03:36UT has been determined to be backsided. a filament eruption was noticed in former region 2979 on March 30th. Any possible CME influenced would be expected to be masked from the CME associated with the X1.3 flare.

The proton flux of >10MeV exceeded the 10pfu threshold on March 31st 06:20UT. This is associated with the possible ICME arrival of the CME on March 28th 11:29UT. It is expected to remain elevated from possible subsequent arrival of CME from March 28th 20:24UT. Then the CME from March 30th could have a further influence. The greater than 2 MeV electron flux remained below the 1000 pfu alert threshold the past 24 hours. It is expected to remain below threshold over the next 24 hours. The greater than 2 MeV electron fluence was at nominal levels the past 24 hours. It is expected to remain at those levels over the next 24 hours.

The solar wind conditions reflect the possible arrival of the CME on March 28th 11:29UT, seen in a shock-like structure detected by DSCOVR and ACE on March 31st around 01:41UT. An increase of the magnetic field values to 20nT from March 31st 11:51UT could suggest the arrival of CME from March 28th 20:24UT, but this remains to be seen. Over the past 24 hours, Bz had values between -13 and +12 nT. The solar wind speed increased to 630 km/s. The interplanetary magnetic field phi angle is varied. Over the next 24 hours we expect the solar wind to reflect enhanced conditions, as a response to the arrival of the two CMEs from Match 28th.

During the first part of the past 24 hours, quiet geomagnetic conditions were recorded. Since March 30th 21:00UT, active conditions have been registered, with a minor storm taking place March 31st 00:00-06:00UT (Kp=5) as a response to possible ICME arrival. Over the next 24 hours, active conditions will likely happen, with possibility of minor and a change of moderate storm conditions.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 117, põhineb 09 jaamadel.

Päikese indeksid 30 Mar 2022

Catania Wolfi number///
10cm päikesevoog151
AK Chambon La Forêt024
AK Wingst009
Hinnanguline Ap008
Hinnanguline rahvusvaheline päikeselaikude arv101 - Põhineb 18 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
30172117371746----X1.354064/2975II/3IV/1III/2

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

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