Vaata pühapäev, 27 detsember 1998 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 1998 Dec 27 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 361 Välja antud 2200Z kuni 27 DEC 1998IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 26-2100Z kuni 27-2100Z SOLAR ACTIVITY WAS LOW. TODAY'S ACTIVITY WAS
CHARACTERIZED BY OCCASIONAL C-CLASS FLARES. THE LARGEST OF THESE WAS
A C7/SF FROM REGION 8419 (N27W27) AT 26/2344Z. REGION 8419 GREW
CONSIDERABLY OVER THE LAST 24 HOURS; THE PENUMBRA IN THE GROUP HAS
DEVELOPED AND MATURED AND OBSERVATIONS TOWARD THE END OF THE DAY
INDICATED THE PRESENCE OF A MAGNETIC DELTA CONFIGURATION IN THE
REGION. REGION 8421 (N27E26) SHOWED A LITTLE GROWTH AND OCCASIONAL
SUBFLARES DURING THE DAY. REGION 8422 (S23E38) PRODUCED A FEW
SUBFLARES BUT WAS ESSENTIALLY STABLE. BACKGROUND FLUX LEVELS FOR
X-RAYS AND 10.7 CM INCREASED DURING THE PAST 24 HOURS IN ASSOCIATION
WITH THE GROWTH OF REGION 8419.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. THERE IS A FAIR CHANCE FOR AN ISOLATED M-CLASS EVENT
FROM REGIONS 8419 AND 8421.
IIA. Summaarne geofüüsikaline aktiivsus 26-2100Z kuni 27-2100Z
THE GEOMAGNETIC FIELD WAS PREDOMINANTLY QUIET DURING THE PAST 24
HOURS. THERE WERE SOME UNSETTLED CONDITIONS BETWEEN 26/2100UT AND
27/0000UT, BUT THE FIELD HAS BEEN VERY QUIET FROM THE START OF THE
UT DAY (27/0000UT) TO THE END OF THE PERIOD (27/2100UT).
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
III. Sündmuste tõenäosus 28 DECkuni 30 DEC
| Klass M | 50% | 50% | 50% |
| Klass X | 10% | 10% | 10% |
| Prooton | 10% | 10% | 10% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 27 DEC 167 Prognoositud 28 DEC-30 DEC 165/165/160 90 päeva keskmine 27 DEC 134
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 26 DEC 012/016 ESTIMATED AFR/AP 27 DEC 005/007 PREDICTED AFR/AP 28 DEC-30 DEC 005/009-010/011-005/009
VI. Geomagnetilised aktiivsuse tõenäosused 28 DEC kuni 30 DEC
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 05% | 10% | 05% |
| Väike torm | 01% | 05% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 05% | 10% | 05% |
| Väike torm | 01% | 05% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
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