Vaata neljapäev, 6 juuli 2023 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2023 Jul 06 1232 UTC

SIDC ennustus

Päikesepursked ehk loited

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

Geomagnetism

Minor storm expected (A>=30 or K=5)

Päikese prootonid

Quiet

10 cm voolAp
06 Jul 2023154012
07 Jul 2023152026
08 Jul 2023150020

Päikese aktiivsed piirkonnad ja pursked

The solar flaring activity was at moderate levels, with two M-class flare and several C-class flares being detected in the last 24 hours. The largests flares of the period were an M1.0 flare, peaking at 18:58 UTC on July 05 and an M1.1 flare, peaking at 10:49 on July 06, associated with NOAA AR 3354. This region has now almost rotated off the solar disk. NOAA AR 3359 (beta-gamma class), which is the largest and most complex active region on the disk, continued to produce several C-class flares. Isolated C-class flaring was also produced by NOAA AR 3360 (beta class) and by NOAA AR 3361 (beta-gamma class). Other regions on the disc have simple configuration of their photospheric magnetic field (alpha and beta) and did not show any significant flaring activity. The solar flaring activity is expected to be at low levels over the next 24 hours with C-class flares likely and M-class flares possible.

Krooniaine massiline väljavool

No Earth-directed Coronal Mass Ejections (CME) were observed in the last 24 hours.

Krooniauk

A positive polarity coronal hole in the northern hemisphere transited the central meridian today. An associated high speed stream in in-situ solar wind measurements is expected for July 07 – July 08.

Päikesetuul

Over the past 24 hours, the solar wind conditions became slightly disturbed with the total interplanetary magnetic field reaching values up to 13 nT. The Bz component ranged between -10 nT and 8 nT. The solar wind velocity followed an increasing trend, rising from 350 km/s to 445 km/s. The solar wind speed is expected to continue to be elevated in the next days, with a further enhancement likely from late on July 06 – early on July 07 due to a possible arrival of the CME from July 04, and on July 07 – 08 due to the high speed stream arrival associated with the positive polarity coronal hole in the northern hemisphere.

Geomagnetism

Geomagnetic conditions were quiet to unsettled (NOAA Kp: 1 to 3 and K-BEL: 1 to 3). Geomagnetic conditions are expected to be at quiet to unsettled levels, with a chance of increasing to active conditions and isolated minor or moderate storm periods from late on July 06 - early on July 07, due to a possible arrival of the CME from July 04 and expected high speed stream arrival.

Prootoni voo tasemed

The greater than 10 MeV proton was at the nominal levels in the past 24 hours. The proton flux is expected to remain below 10 pfu threshold over the next day, with a small chance that a particle event occurs in association with an X-class flare or a coronal mass ejection.

Elektronivoog geostatsionaarsel orbiidil

The greater than 2 MeV electron flux was above the 1000 pfu threshold for a short period. It is expected to remain close to the threshold for the next 24 hours. The 24-hour electron fluence was at moderate levels and it is expected to remain at normal to moderate levels over the next 24 hours.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 142, põhineb 20 jaamadel.

Päikese indeksid 05 Jul 2023

Catania Wolfi number154
10cm päikesevoog154
AK Chambon La Forêt013
AK Wingst009
Hinnanguline Ap008
Hinnanguline rahvusvaheline päikeselaikude arv136 - Põhineb 25 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
05183618581921N24E35M1.0SF63/3361

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

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