Vaata kolmapäev, 27 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 27 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 300 Välja antud 2200Z kuni 27 OCT 1999IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 26-2100Z kuni 27-2100Z SOLAR ACTIVITY WAS MODERATE. FOUR M-CLASS EVENTS
OCCURRED. THEY WERE AN M3/NO OPTICAL WITH TYPE II AT 26/2125Z, AN
M1/NO OPTICAL AT 0912Z, AN M1/SF WITH TYPE II AT 1337Z FROM REGION
8737 (S13W89), AND FINALLY, AN M1/NO OPTICAL AT 1541Z. LOOPS AND
SURGING ARE OCCURRING ON THE SOUTHWEST LIMB WITH THE DEPARTURE OF
REGION 8737. IT IS LIKELY THAT IMPRESSIVE REGION 8739 (S12W23)
CONTRIBUTED TO THE M-LEVEL ACTIVITY. REGION 8739 HAS A LARGE AREA OF
BRIGHT PLAGE, AND SHOWS A DEGREE OF MAGNETIC COMPLEXITY. ONE OTHER
EVENT OF INTEREST WAS A C5/ NO OPTICAL, WITH TYPE II AT 0430Z. NEWLY
NUMBERED REGION 8746 (S15E28) EMERGED AS A SIMPLE BIPOLE.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE
MODERATE TO HIGH. WATCH REGIONS 8739 AND NOW-DEPARTING 8737 FOR
CONTINUED M-CLASS ACTIVITY.
IIA. Summaarne geofüüsikaline aktiivsus 26-2100Z kuni 27-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE. THE GREATER THAN 2 MEV
ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT ATTAINED HIGH LEVELS NEAR
MIDDAY.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY UNSETTLED TO MILDLY ACTIVE THROUGHOUT THE
FORECAST PERIOD. A COMBINATION OF HIGH-SPEED SOLAR WIND AND ENHANCED
SOUTHWARD IMF SHOULD CAUSE OCCASIONAL PERIODS OF ACTIVE TO MINOR
STORM LEVELS, ESPECIALLY DURING LOCAL NIGHTTIMES.
III. Sündmuste tõenäosus 28 OCTkuni 30 OCT
| Klass M | 60% | 60% | 60% |
| Klass X | 05% | 05% | 05% |
| Prooton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 27 OCT 197 Prognoositud 28 OCT-30 OCT 200/205/205 90 päeva keskmine 27 OCT 158
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 26 OCT 006/009 ESTIMATED AFR/AP 27 OCT 015/015 PREDICTED AFR/AP 28 OCT-30 OCT 015/015-015/020-015/020
VI. Geomagnetilised aktiivsuse tõenäosused 28 OCT kuni 30 OCT
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 30% | 30% | 30% |
| Väike torm | 20% | 20% | 20% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 40% | 40% | 40% |
| Väike torm | 25% | 25% | 25% |
| Suur-tõsine torm | 01% | 01% | 01% |
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