Vaata teisipäev, 14 detsember 2021 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2021 Dec 14 1231 UTC

SIDC ennustus

Kehtib alates 1230 UTC, 14 Dec 2021 kuni 16 Dec 2021
Päikesepursked ehk loited

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Päikese prootonid

Quiet

10 cm voolAp
14 Dec 2021081009
15 Dec 2021082016
16 Dec 2021082010

Bülletään

Regions Catania 82, Catania 83/NOAA 2905, NOAA 2906 and Catania 84/NOAA 2907 are present on the visible solar disk. Region Catania 84 was the source of a C1.4-class flare recorded by GOES on Dec 14 08:36UT. C class flares are possible over the next 24 hours.

No Earth directed CMEs were observed in the past 24 hours.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours and is expected to remain at nominal levels in the next 24 hours. The greater than 2 MeV electron flux remained below the 1000 pfu alert threshold and is expected to remain below this level during the next 24 hours. The greater than 2 MeV electron fluence was at nominal levels in the past 24 hours and is expected remain so in the next 24 hours.

Over the past 24 hours, the solar wind parameters (ACE+DSCOVR) remained in the slow regime. The expected high-speed stream (HSS) emanating from the small equatorial negative polarity Coronal Hole (CH) that appeared on Dec 12 seems to have not had an impact yet. A southern negative polarity CH crossed central meridian on Dec 13. Its effects can be expected about Dec 15-16. The total magnetic field reached 8 nT, and its southward component, Bz, fluctuated between -6 nT and +7 nT in the past 24 hours. The solar wind speed had values ranging from 300 km/s to 335 km/s. The interplanetary magnetic field phi angle has been varied since about Dec 13 19:00UT. Over the next 24 hours, we are expecting slight enhacements due to the effects afore mentioned HSS.

Geomagnetic conditions were quiet tover the past 24 hours (NOAA Kp and K-BEL recorded values 0-2). Geomagnetic conditions are expected to remain mostly quiet over the next 24 hours with some unsettled periods in response to the influence of the wind stream associated with the small equatorial coronal hole.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 037, põhineb 07 jaamadel.

Päikese indeksid 13 Dec 2021

Catania Wolfi number035
10cm päikesevoog081
AK Chambon La Forêt008
AK Wingst005
Hinnanguline Ap004
Hinnanguline rahvusvaheline päikeselaikude arv022 - Põhineb 13 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
Puuduvad

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

Kõik ajad UTC-s

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