Vaata laupäev, 27 oktoober 2012 arhiivi
Päikese aktiivsuse aruanne
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Päikese ja geofüüsikalise aktiivsuse aruanne 2012 Oct 27 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 301 Välja antud 2200Z kuni 27 Oct 2012IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 26-2100Z kuni 27-2100Z Solar activity was low. Three low-level C-class flares
were observed from behind the west limb, likely from old Region 1594
(S27, L=200). Region 1598 (S11W10), a Dkc/Beta-Delta spot group,
remained the most magnetically complex region on the visible disk
and produced a B9/Sf flare at 27/1235Z. Region 1596 (N08W48), a
Dao/Beta-Gamma spot group, has shown signs of penumbral decay,
mainly in its trailer spots. The remaining two spot groups were
stable and unremarkable. A CME was observed in STEREO Ahead COR 2
imagery at 27/1824Z. Further analysis will be performed to
determine its geo-effectiveness as data becomes available.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be low
with a slight chance for isolated M-class flares for the next three
days (28-30 October).
IIA. Summaarne geofüüsikaline aktiivsus 26-2100Z kuni 27-2100Z
The geomagnetic field has been quiet for the past 24 hours. Solar
wind speed, as measured by the ACE spacecraft, remained steady at
approximately 350 km/s. The Bz component of the interplanetary
magnetic field had minor deflections of +/- 5 nT while the total
field remained steady at 5 nT. The greater than 2 MeV electron flux
at geosynchronous orbit reached high levels during the period.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to remain quiet for the next three days (28-30 October).
III. Sündmuste tõenäosus 28 Octkuni 30 Oct
| Klass M | 15% | 10% | 10% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 27 Oct 122 Prognoositud 28 Oct-30 Oct 120/115/110 90 päeva keskmine 27 Oct 122
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 26 Oct 004/004 Hinnanguline Afr/Ap 27 Oct 004/004 Prognoositud Afr/Ap 28 Oct-30 Oct 006/005-006/005-006/005
VI. Geomagnetilised aktiivsuse tõenäosused 28 Oct kuni 30 Oct
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 05% | 05% | 05% |
| Väike torm | 01% | 01% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 15% | 15% | 15% |
| Väike torm | 10% | 10% | 10% |
| Suur-tõsine torm | 05% | 05% | 05% |
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