Vaata kolmapäev, 18 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 18 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 352 Välja antud 2200Z kuni 18 Dec 2002IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 17-2100Z kuni 18-2100Z Solar activity was at moderate levels. Region 226
(S28W15) produced two M-class flares today. The largest was an
M2.4/1n flare that occurred at 18/0642 UTC, a slightly smaller
M1.6/Sf flare occurred at 17/2335 UTC, with several lesser C-class
flares originating from this region today as well. The magnetic
delta spot configuration remains evident in the intermediate cluster
of spots. Region 229 (N19E12) did not produce optically correlated
flare activity during the period although the areal spot coverage
has increased and the magnetic gamma characteristics remain intact.
No new regions were numbered today.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be at
moderate levels. Regions 226 and 229 have the potential of
producing M-class event activity.
IIA. Summaarne geofüüsikaline aktiivsus 17-2100Z kuni 18-2100Z
The geomagnetic field was at quiet to unsettled levels. The greater
than 2 MeV electron flux at geosynchronous orbit reached moderate
levels today.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be at active to minor storm levels once the onset of the
recurrent coronal hole high speed stream begins, which is expected
to occur on day one of the forecast period. Day two should see
predominantly unsettled to active conditions with isolated periods
of minor storm levels. A return to predominantly unsettled
conditions with isolated active periods should occur on day three.
III. Sündmuste tõenäosus 19 Deckuni 21 Dec
| Klass M | 60% | 60% | 60% |
| Klass X | 10% | 10% | 10% |
| Prooton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 18 Dec 197 Prognoositud 19 Dec-21 Dec 195/195/195 90 päeva keskmine 18 Dec 165
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 17 Dec 002/006 Hinnanguline Afr/Ap 18 Dec 008/012 Prognoositud Afr/Ap 19 Dec-21 Dec 020/035-018/020-010/012
VI. Geomagnetilised aktiivsuse tõenäosused 19 Dec kuni 21 Dec
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 40% | 30% | 20% |
| Väike torm | 20% | 15% | 05% |
| Suur-tõsine torm | 10% | 05% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 45% | 35% | 25% |
| Väike torm | 35% | 25% | 10% |
| Suur-tõsine torm | 15% | 10% | 05% |
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