Vaata neljapäev, 5 detsember 2002 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 2002 Dec 05 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 339 Välja antud 2200Z kuni 05 Dec 2002IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 04-2100Z kuni 05-2100Z Solar activity was moderate due to a single M-class
event during the period. Region 213 (N14E50) produced an impulsive
M2/2n event, with associated tenflare and Type II/IV radio sweeps,
at 04/2249 UTC. The region appears to be a relatively small sunspot
group with minor magnetic complexity, near the somewhat larger
Region 212 (N12E35) which remained quiescent during the period.
Single C- and B-class x-ray enhancements were also observed without
optical correlation later in the period, but otherwise the x-ray
emissions from the sun have remained relatively flat. Two new
regions were numbered today: 214 (N12W27) and 215 (S18E74). The
latter appears to be a return of old Region 191 (S18, L=203) but
limb proximity prevents detailed analysis.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be
predominantly low, with an increasing trend in chances for isolated
moderate flare activity over the course of the next three days.
IIA. Summaarne geofüüsikaline aktiivsus 04-2100Z kuni 05-2100Z
The geomagnetic field was quiet to unsettled. Flux levels for
greater than 2 MeV electrons at geosynchronous orbit were observed
to briefly exceed threshold for high values around the time of local
satellite noon.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be quiet to unsettled through day two of the forecast
period, with a trend toward more active conditions by day three, due
to expected coronal hole effects. Greater than 2 MeV electron flux
at geosynchronous orbit is expected to be below the high value
threshold for the period.
III. Sündmuste tõenäosus 06 Deckuni 08 Dec
| Klass M | 30% | 30% | 35% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 05 Dec 149 Prognoositud 06 Dec-08 Dec 160/170/175 90 päeva keskmine 05 Dec 169
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 04 Dec 007/012 Hinnanguline Afr/Ap 05 Dec 009/013 Prognoositud Afr/Ap 06 Dec-08 Dec 008/012-012/015-018/020
VI. Geomagnetilised aktiivsuse tõenäosused 06 Dec kuni 08 Dec
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 25% | 35% |
| Väike torm | 01% | 05% | 10% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 30% | 40% |
| Väike torm | 05% | 10% | 15% |
| Suur-tõsine torm | 01% | 01% | 05% |
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