Vaata reede, 20 detsember 2024 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2024 Dec 20 1232 UTC

SIDC ennustus

Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10 cm voolAp
20 Dec 2024179007
21 Dec 2024181007
22 Dec 2024193007

Päikese aktiivsed piirkonnad ja pursked

A total of 6 numbered sunspot groups were identified on the disk over the past 24 hours. There have been four M-class flares in the last 24 hours. The largest one was an M3.8 flare peaking at 15:34 UTC on 19 December, coming from SIDC Sunspot Group 323 (NOAA Active Region 3928, beta magnetic field configuration). The other M-class flares came from the same AR and one from SIDC Sunspot Group 337 (NOAA Active Region 3924, beta gamma magnetic field configuration), which is rotating out of view over the west limb. More M-class flares can be expected and X-flares are possible in the next 24 hours.

Krooniaine massiline väljavool

A full halo CME was observed at 18:16 UTC on 19 December by LASCO C3 (after a data gap of several hours). The source of this CME is believed to be backsided and will thus not arrive to the Earth.

Päikesetuul

The solar wind at Earth has a speed around 460 km/s and interplanetary magnetic field around 8 nT (DSCOVR). Similar conditions are expected to persist in the next 24 hours. The CME from 15 December may still arrive today, but it has probably missed the Earth.

Geomagnetism

Geomagnetic conditions have reached active levels both globally and locally (Kp and K_Bel up to 4). Mostly quiet to unsettled conditions expected for the next 24 hours. The CME from 15 December may still arrive today and create disturbed conditions, but it has probably missed the Earth.

Prootoni voo tasemed

The greater than 10 MeV proton flux was below the threshold level over the past 24 hours. It is expected to remain below the threshold level over the next 24 hours.

Elektronivoog geostatsionaarsel orbiidil

The greater than 2 MeV electron flux measured by GOES 16 and GOES 18 remained below the threshold level in the last 24 hours. It is expected to remain so over the next 24 hours. The 24-hour electron fluence is presently at normal levels and is expected to remain so over the next 24 hours.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 152, põhineb 13 jaamadel.

Päikese indeksid 19 Dec 2024

Catania Wolfi number117
10cm päikesevoog175
AK Chambon La Forêt016
AK Wingst014
Hinnanguline Ap012
Hinnanguline rahvusvaheline päikeselaikude arv121 - Põhineb 09 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
19102110381057S19W72M1.6SF50/3924
19152715341539----M3.8--/3928
19185619001904----M1.7--/3928
20072007260735----M2.150/3924
20111511181122----M2.559/3928

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

Kõik ajad UTC-s

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