Vaata neljapäev, 30 detsember 2004 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 2004 Dec 30 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 365 Välja antud 2200Z kuni 30 Dec 2004IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 29-2100Z kuni 30-2100Z Solar activity remained at moderate levels today.
Region 715 (N04E48) produced the largest flare of the period, an
M2/Sf x-ray event that occurred at 30/1047Z along with an associated
Tenflare (230 sfu) and a spectral Type II radio sweep that had an
estimated shock velocity of 653 km/s. LASCO imagery depicts a
resulting CME that appears to have a weak Earth directed component.
The strong delta structure remains intact and some growth in
penumbral coverage was observed during the period. Region 716
(S16E52) was numbered today.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be at
low to moderate levels. Region 715 remains magnetically complex
enough to produce isolated M-class flare activity.
IIA. Summaarne geofüüsikaline aktiivsus 29-2100Z kuni 30-2100Z
The geomagnetic field was at quiet to active levels today. The
elevated periods are most likely due to a waning high speed coronal
hole stream. The greater than 2 MeV electron flux at geosynchronous
orbit reached high levels again today.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be at predominantly quiet to unsettled levels on 31 Dec
and 1 Jan. A glancing blow from the CME that resulted from M2/Sf
flare that occurred today could produce periods of active to minor
storm conditions beginning on 2 Jan.
III. Sündmuste tõenäosus 31 Deckuni 02 Jan
| Klass M | 60% | 60% | 60% |
| Klass X | 10% | 10% | 10% |
| Prooton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 30 Dec 100 Prognoositud 31 Dec-02 Jan 100/105/105 90 päeva keskmine 30 Dec 105
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 29 Dec 016/018 Hinnanguline Afr/Ap 30 Dec 011/015 Prognoositud Afr/Ap 31 Dec-02 Jan 008/010-008/012-015/020
VI. Geomagnetilised aktiivsuse tõenäosused 31 Dec kuni 02 Jan
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 20% | 35% |
| Väike torm | 01% | 01% | 15% |
| Suur-tõsine torm | 01% | 01% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 25% | 40% |
| Väike torm | 05% | 10% | 20% |
| Suur-tõsine torm | 01% | 05% | 10% |
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