Vaata kolmapäev, 7 september 2011 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 2011 Sep 07 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 250 Välja antud 2200Z kuni 07 Sep 2011IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 06-2100Z kuni 07-2100Z Solar activity was high. Region 1283 (N14W32) produced
another major flare, an X2/2b at 06/2220Z. The X2 flare was
associated with Types II and IV radio sweeps, a 740 sfu Tenflare and
an Earth-directed halo CME. The CME had an estimated speed of around
800 km/s, based on STEREO-A COR2 images, with the bulk of mass
directed north of the ecliptic plane. Region 1283 maintained a weak
magnetic delta in the north-central portion of the group and was
classified as a Dai-type with a beta-gamma-delta magnetic
configuration. No new regions were numbered.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be
moderate during the period (08 - 10 September) with a chance for
another X-class flare from Region 1283.
IIA. Summaarne geofüüsikaline aktiivsus 06-2100Z kuni 07-2100Z
Geomagnetic field activity was at mostly quiet levels. A proton flux
enhancement at greater than 100 MeV and greater than 10 MeV began
around 06/2300Z at geosynchronous orbit in the wake of the X2 flare
mentioned above. The greater than 2 MeV electron flux at
geosynchronous orbit reached high levels during the period.
IIB. Geofüüsikalise aktiivsuse ennustus
Geomagnetic activity is
expected to be at mostly quiet levels on day 1 (08 September). An
increase to unsettled levels, with a chance for active levels, is
expected late on day 2 (09 September) due to a CME arrival. A
further increase to unsettled to active levels, with a chance for
minor storm levels, is expected on day 3 (10 September) as the CME
passage continues. There will be a chance for a greater than 10 MeV
proton event at geosynchronous orbit during the period.
III. Sündmuste tõenäosus 08 Sepkuni 10 Sep
| Klass M | 75% | 75% | 75% |
| Klass X | 30% | 30% | 30% |
| Prooton | 30% | 30% | 30% |
| PCAF | Green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 07 Sep 113 Prognoositud 08 Sep-10 Sep 110/105/100 90 päeva keskmine 07 Sep 098
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 06 Sep 005/007 Hinnanguline Afr/Ap 07 Sep 005/005 Prognoositud Afr/Ap 08 Sep-10 Sep 005/005-010/005-020/018
VI. Geomagnetilised aktiivsuse tõenäosused 08 Sep kuni 10 Sep
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 10% | 25% | 30% |
| Väike torm | 01% | 10% | 25% |
| Suur-tõsine torm | 01% | 01% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 15% | 30% | 40% |
| Väike torm | 01% | 15% | 30% |
| Suur-tõsine torm | 01% | 01% | 10% |
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