Vaata pühapäev, 23 november 1997 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 1997 Nov 23 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 327 Välja antud 2200Z kuni 23 NOV 1997IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 22-2100Z kuni 23-2100Z SOLAR ACTIVITY WAS LOW. REGION 8108 (N19W52) PRODUCED
TWO SMALL C-CLASS EVENTS. THE DELTA CONFIGURATION IN THIS REGION
FADED AND AREAL COVERAGE IN WHITE LIGHT DECREASED. SOME MINOR MIXED
POLARITIES REMAINED BUT OVERALL THE REGION SIMPLIFIED. OLD REGION
8100 RETURNED AS A BROAD DIFFUSE PLAGE WITH ONE SMALL SPOT. THIS
AREA IS NOW NUMBERED AS REGION 8112 (S17E59).
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY SHOULD CONTINUE AT A
LOW LEVEL. REGION 8108 SHOULD PRODUCE INFREQUENT C-CLASS EVENTS.
CONTINUED DECAY IN THIS REGION WILL REDUCE THE ACTIVITY LEVEL TO
VERY LOW.
IIA. Summaarne geofüüsikaline aktiivsus 22-2100Z kuni 23-2100Z
THE GEOMAGNETIC FIELD BEGAN THE PERIOD AT ACTIVE TO MINOR STORM
LEVELS AND QUICKLY ESCALATED TO MINOR TO SEVERE STORM FROM
23/0000-1500Z. A MODERATE (7 PERCENT) FORBUSH DECREASE PEAKED NEAR
22/2200Z. THE REMAINDER OF THE PERIOD SAW QUIET TO UNSETTLED
CONDITIONS. SOLAR WIND VELOCITY REACHED OVER 600 KM/S AT THE END OF
THE PERIOD. IT IS POSSIBLE THE EARTH IS ENGULFED IN A MAGNETIC
CLOUD. THIS POSSIBILITY IS BASED UPON VERY LITTLE BZ DATA FROM LATE
ON 22 NOV SO THIS DETERMINATION MUST BE CONSIDERED SPECULATIVE.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD SHOULD BE
QUIET TO ACTIVE ON 24 NOV AS THE CURRENT DISTURBANCE SUBSIDES.
ISOLATED MINOR TO POSSIBLY MAJOR STORM PERIODS COULD BE EXPERIENCED
EARLY ON THAT DAY. UNSETTLED CONDITIONS ARE FORECAST FOR 25 NOV AND
QUIET SHOULD RETURN ON 26 NOV.
III. Sündmuste tõenäosus 24 NOVkuni 26 NOV
| Klass M | 15% | 15% | 15% |
| Klass X | 05% | 05% | 05% |
| Prooton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 23 NOV 100 Prognoositud 24 NOV-26 NOV 100/100/098 90 päeva keskmine 23 NOV 092
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 22 NOV 034/045 ESTIMATED AFR/AP 23 NOV 041/060 PREDICTED AFR/AP 24 NOV-26 NOV 020/015-010/010-005/005
VI. Geomagnetilised aktiivsuse tõenäosused 24 NOV kuni 26 NOV
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 35% | 20% | 10% |
| Väike torm | 20% | 10% | 05% |
| Suur-tõsine torm | 10% | 05% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 40% | 20% | 10% |
| Väike torm | 25% | 10% | 05% |
| Suur-tõsine torm | 15% | 05% | 01% |
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