Vaata laupäev, 29 august 2015 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2015 Aug 29 1231 UTC

SIDC ennustus

Kehtib alates 1230 UTC, 29 Aug 2015 kuni 31 Aug 2015
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Warning condition (activity levels expected to increase, but no numeric forecast given)

10 cm voolAp
29 Aug 2015110016
30 Aug 2015106013
31 Aug 2015102007

Bülletään

Solar flaring activity was moderate with two M flares from region 2403 in adiition to several C flares from that region. An M2.2 flare peaked at 13:16UT and another M2.1 flare peaked at 19:03UT. Flaring at M level remains likely from this region with a possibility for an X flare. There remains also an associated risk for a proton event. Solar flaring activity will afterwards decrease as the region is about to round the West limb two days from now. No significant Earth directed CME's were recorded. Solar wind conditions indicated the arrival of the expected high speed stream influence. Solar wind speed increased from about 340 km/s at the start of the period to within the 420-480 km/s range. Total magnetic field first increased up to a peak of 17nT while a pronounced negative Bz persisted, before around 18:00UT a steady decrease towards presently 7-8nT set in along with a more variable Bz and a temperature increase. Quiet to moderate geomagnetic storm conditions were recorded. Local K Dourbes attained at most active levels (K=4 in the first halve of the period) while the planetary NOAA Kp reached 6 also in the first halve of the period. Solar wind speed is expected to first remain elevated before starting a decline towards nominal values while also the decrease in total magnetic field is expected to continue. Quiet to unsettled geomagnetic conditions are thus expected with a possibility for episodes of active conditions.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 057, põhineb 21 jaamadel.

Päikese indeksid 28 Aug 2015

Catania Wolfi number///
10cm päikesevoog109
AK Chambon La Forêt042
AK Wingst034
Hinnanguline Ap038
Hinnanguline rahvusvaheline päikeselaikude arv042 - Põhineb 24 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
28130413161323S14W65M2.21F--/2403
28185619031906S13W70M2.11N--/2403

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

Kõik ajad UTC-s

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