Vaata laupäev, 16 oktoober 1999 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 1999 Oct 16 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 289 Välja antud 2200Z kuni 16 OCT 1999IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 15-2100Z kuni 16-2100Z SOLAR ACTIVITY REMAINED AT LOW LEVELS. REGION 8731
(N12W03) SHOWED MINOR GROWTH INCLUDING THE RE-FORMATION OF A
MAGNETIC DELTA CONFIGURATION NEAR REGION CENTER. IT PRODUCED
ISOLATED C-CLASS SUBFLARES DURING THE PERIOD. REGION 8728 (N23W26)
ALSO PRODUCED ISOLATED C-CLASS SUBFLARES, BUT WAS STABLE IN TERMS OF
SIZE AND MAGNETIC STRUCTURE. THE REMAINING REGIONS WERE EITHER
STABLE OR DECLINING. NEW REGION 8735 (N18E40) WAS NUMBERED.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE AT
LOW TO MODERATE LEVELS. REGION 8731 PROVIDES A GOOD CHANCE FOR
ISOLATED M-CLASS FLARES. THERE IS ALSO A SLIGHT CHANCE FOR A MAJOR
FLARE FROM THIS REGION.
IIA. Summaarne geofüüsikaline aktiivsus 15-2100Z kuni 16-2100Z
GEOMAGNETIC FIELD ACTIVITY VARIED FROM QUIET TO MINOR STORM LEVELS
DUE TO CONTINUING CORONAL HOLE EFFECTS. THE GREATER THAN 2 MEV
ELECTRON FLUX REACHED HIGH LEVELS DURING THE PERIOD.
IIB. Geofüüsikalise aktiivsuse ennustus
GEOMAGNETIC FIELD ACTIVITY IS
EXPECTED TO VARY FROM UNSETTLED TO ACTIVE LEVELS DURING THE FIRST
DAY WITH A DECREASING TREND AS CORONAL HOLE EFFECTS GRADUALLY
SUBSIDE. QUIET TO UNSETTLED LEVELS ARE EXPECTED DURING THE LAST TWO
DAYS OF THE PERIOD. THE GREATER THAN 2 MEV ELECTRON FLUX IS EXPECTED
TO RANGE FROM MODERATE TO HIGH LEVELS THROUGHOUT THE PERIOD.
III. Sündmuste tõenäosus 17 OCTkuni 19 OCT
| Klass M | 60% | 60% | 60% |
| Klass X | 10% | 10% | 10% |
| Prooton | 10% | 10% | 10% |
| PCAF | YELLOW | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 16 OCT 189 Prognoositud 30 DEC-16 OCT 185/185/180 90 päeva keskmine 16 OCT 158
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 15 OCT 017/024 ESTIMATED AFR/AP 16 OCT 020/020 PREDICTED AFR/AP 17 OCT-19 OCT 015/015-012/010-010/010
VI. Geomagnetilised aktiivsuse tõenäosused 17 OCT kuni 19 OCT
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 15% | 10% |
| Väike torm | 10% | 10% | 05% |
| Suur-tõsine torm | 05% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 30% | 20% | 15% |
| Väike torm | 15% | 15% | 05% |
| Suur-tõsine torm | 10% | 05% | 01% |
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