Vaata laupäev, 28 november 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 Nov 28 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 332 Välja antud 2200Z kuni 28 NOV 1998IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 27-2100Z kuni 28-2100Z SOLAR ACTIVITY BECAME HIGH. REGION 8395 (N20E33)
PRODUCED A X3/3N AT 28/0552Z. THIS EVENT HAD TYPE II/IV SWEEPS AND
MODERATE CENTIMETRIC RADIO BURST INCLUDING 3600 SFU'S AT 2695 MHZ. A
PARTIAL-HALO CME WAS ALSO ASSOCIATED WITH THIS FLARE. OBSERVATORIES
REPORTED SOME SPOT GROWTH PRIOR TO THE FLARE. REGION 8395 IS NOW A
MODERATELY COMPLEX F-TYPE GROUP WITH A BETA-GAMMA MAGNETIC
CONFIGURATION. IT PRODUCED A FEW SUBFLARES SHORTLY AFTER THE X3/3N,
BUT HAS BEEN MOSTLY STABLE SINCE 28/1400Z. REGION 8393 (S18E12)
DISPLAYED A BIT OF MAGNETIC COMPLEXITY, BUT WAS STABLE DURING THE
PERIOD. THE REMAINING REGIONS WERE STABLE. NO NEW REGIONS WERE
NUMBERED.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE
MODERATE. REGION 8395 HAS MAINTAINED A LARGE FIELD OF NEAR FLARE
INTENSITY PLAGE SINCE THE X-FLARE TODAY. FREQUENT SUBFLARES,
FLUCTUATIONS, AND SURGES ALSO SUGGEST THE POSSIBILITY OF ANOTHER
MAJOR FLARE. REGION 8393 MAY PRODUCE C-CLASS ACTIVITY WITH A SMALL
CHANCE OF AN M-CLASS FLARE.
IIA. Summaarne geofüüsikaline aktiivsus 27-2100Z kuni 28-2100Z
THE GEOMAGNETIC FIELD WAS MOSTLY QUIET.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD IS
EXPECTED TO REMAIN QUIET THROUGH DAY 1. A MINOR DISTURBANCE FROM THE
M1/2N FLARE EARLY ON THE 27TH MAY CAUSE ACTIVE CONDITIONS ON DAY 2
AND 3.
III. Sündmuste tõenäosus 29 NOVkuni 01 DEC
| Klass M | 70% | 70% | 70% |
| Klass X | 20% | 20% | 20% |
| Prooton | 20% | 20% | 20% |
| PCAF | YELLOW | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 28 NOV 165 Prognoositud 29 NOV-01 DEC 165/165/170 90 päeva keskmine 28 NOV 132
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 27 NOV 008/008 ESTIMATED AFR/AP 28 NOV 005/010 PREDICTED AFR/AP 29 NOV-01 DEC 005/010-015/018-012/010
VI. Geomagnetilised aktiivsuse tõenäosused 29 NOV kuni 01 DEC
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 30% | 30% |
| Väike torm | 01% | 05% | 05% |
| Suur-tõsine torm | 01% | 05% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 35% | 35% |
| Väike torm | 01% | 10% | 10% |
| Suur-tõsine torm | 01% | 01% | 01% |
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