Vaata teisipäev, 21 juuli 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 Jul 21 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 202 Välja antud 2200Z kuni 21 JUL 1998IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 20-2100Z kuni 21-2100Z SOLAR ACTIVITY WAS VERY LOW. THREE NEW REGIONS WERE
NUMBERED TODAY: REGION 8279, (EMERGED ON DISK AT N26E33), REGION
8280 (ROTATING INTO VIEW AT S22E76), AND 8281 (A SIMPLE A-TYPE GROUP
AT N16E73). REGION 8280 APPEARS TO HAVE MATURE PENUMBRA ON LEADER
AND TRAILER PORTIONS OF THE GROUP. REGION 8277 (S12W41) GREW
STEADILY AND EXHIBITED BRIGHT H-ALPHA PLAGE, BUT COULD ONLY MUSTER
ONE SUBFLARE OVER THE PAST 24 HOURS.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE
PREDOMINANTLY LOW. THERE IS A CHANCE, HOWEVER, FOR AN ISOLATED
M-CLASS FLARE OVER THE NEXT THREE DAYS. REGIONS 8277 AND 8280 ARE
CONSIDERED TO BE THE MOST LIKELY SOURCE REGIONS FOR ENHANCED
ACTIVITY.
IIA. Summaarne geofüüsikaline aktiivsus 20-2100Z kuni 21-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED AT MID-LATITUDES AND
RANGED FROM QUIET TO MINOR STORM LEVELS AT HIGH LATITUDES. ALTHOUGH
MOST OF THE LAST 24 HOURS WAS QUIET, AN INTERVAL OF ENHANCED
ACTIVITY OCCURRED FROM 0300-1200Z. REAL-TIME SOLAR WIND DATA
INDICATED THAT A SECTOR BOUNDARY CROSSING OCCURRED SHORTLY AFTER
03Z, AND WAS FOLLOWED BY FLUCTUATING INTERPLANETARY MAGNETIC FIELD
CONDITIONS THAT INCLUDED SOME MODERATE NEGATIVE BZ.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
III. Sündmuste tõenäosus 22 JULkuni 24 JUL
| Klass M | 20% | 20% | 20% |
| Klass X | 05% | 05% | 05% |
| Prooton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 21 JUL 110 Prognoositud 22 JUL-24 JUL 112/112/115 90 päeva keskmine 21 JUL 107
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 20 JUL 003/006 ESTIMATED AFR/AP 21 JUL 010/009 PREDICTED AFR/AP 22 JUL-24 JUL 010/010-010/008-005/007
VI. Geomagnetilised aktiivsuse tõenäosused 22 JUL kuni 24 JUL
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 25% | 20% |
| Väike torm | 10% | 10% | 10% |
| Suur-tõsine torm | 05% | 05% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 25% | 20% |
| Väike torm | 10% | 10% | 10% |
| Suur-tõsine torm | 05% | 05% | 05% |
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