Vaata neljapäev, 17 oktoober 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 Oct 17 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 290 Välja antud 2200Z kuni 17 Oct 2002IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 16-2100Z kuni 17-2100Z Solar activity was at low levels. Region 158 (S08E11)
produced the largest flare of the period which was a C3.5/Sf that
occurred at 17/1207 UTC. Penumbral growth was seen in the trailing
cluster of spots in this northeast-southwest orientated spot
complex. A weak gamma magnetic structure also became evident today.
Several lesser C-class flares were also attributed to this region.
Region 149 (N14W33) showed slight decay and produced a single
optically correlated long duration event, flare maximum reached
C3.0/Sf at 17/1805 UTC. Weak magnetic gamma structure seen
yesterday is no longer apparent. New region 162 (N25E76) was
assigned today.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be at
low levels. Region 149 and 158 are capable of producing low level
M-class flare activity.
IIA. Summaarne geofüüsikaline aktiivsus 16-2100Z kuni 17-2100Z
The geomagnetic field activity was at quiet to active levels. An
isolated active period occurred between 17/0000-0300 UTC at high
latitudes.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field activity
is expected to be predominantly quiet to unsettled. Active
conditions are possible on day one due to elevated solar wind speed.
Day three may see active conditions in response to a relatively
small, yet favorably positioned coronal hole.
III. Sündmuste tõenäosus 18 Octkuni 20 Oct
| Klass M | 40% | 40% | 40% |
| Klass X | 05% | 05% | 05% |
| Prooton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 17 Oct 179 Prognoositud 18 Oct-20 Oct 185/185/180 90 päeva keskmine 17 Oct 182
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 16 Oct 009/014 Hinnanguline Afr/Ap 17 Oct 010/015 Prognoositud Afr/Ap 18 Oct-20 Oct 010/015-008/012-010/015
VI. Geomagnetilised aktiivsuse tõenäosused 18 Oct kuni 20 Oct
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 15% | 20% |
| Väike torm | 05% | 01% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 30% | 25% | 30% |
| Väike torm | 10% | 05% | 10% |
| Suur-tõsine torm | 05% | 01% | 05% |
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