Vaata pühapäev, 17 september 2000 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 2000 Sep 17 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 261 Välja antud 2200Z kuni 17 SEP 2000IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 16-2100Z kuni 17-2100Z SOLAR ACTIVITY WAS LOW. THE LARGEST FLARE OF THE PAST
DAY WAS A C5/1F AT 17/0643 UTC IN REGION 9167 (N11E69). THIS REGION
ALSO PRODUCED A NUMBER OF OTHER LESS SIGNIFICANT SUBFLARES. 9167 IS
STILL CLOSE TO THE EAST LIMB BUT APPEARS TO BE A GROWING D-TYPE
GROUP. REGION 9165 (N14W26) CONTINUES TO DECAY IN SUNSPOT AREA AND
MAGNETIC COMPLEXITY. HOWEVER, IT MANAGED TO PRODUCE SEVERAL C-CLASS
SUBFLARES, THE LARGEST OF WHICH WAS A C3/SF AT 17/0042 UTC. REGION
9166 (S14E37) ALSO PRODUCE A FEW C-CLASS FLARES AND CONTINUES TO
INCREASE IN COMPLEXITY AS IT ROTATES FURTHER ONTO THE DISK. NEW
REGION 9168 (N09E06) EMERGED.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. ADDITIONAL C-CLASS ACTIVITY IS EXPECTED IN REGIONS
9165, 9166, AND 9167. M-CLASS FLARES ARE POSSIBLE IN THESE REGIONS
AS WELL.
IIA. GEOPHYSICAL ACTIVITY SUMMARY 16/2100Z TO 17/2100Z:
THE GEOMAGNETIC FIELD RANGED FROM QUIET TO STORM LEVELS. THE FIELD
APPEARED TO BE UNDER THE INFLUENCE OF A HIGH-SPEED CORONAL HOLE
STREAM FOR MOST OF THE DAY. ACE NEAR-REAL-TIME DATA SUGGESTS THE
ARRIVAL OF CME MATERIAL AT L1 AT ABOUT 17/1500 UTC. THIS CME MAY
HAVE BEEN ASSOCIATED WITH ACTIVITY IN REGION 9165 ON SEP 15.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE UNSETTLED TO ACTIVE, REACHING STORM LEVELS BY SEP 19.
THE STRONGEST ACTIVITY IS EXPECTED FROM A CME RELATED TO THE M5/2B
FLARE IN REGION 9165 EARLY ON SEP 16. A HIGH-SPEED CORONAL HOLE
STREAM MAY MAINTAIN ACTIVITY LEVELS FOR A FEW DAYS AFTER THESE CMES
PASS THE EARTH.
III. Sündmuste tõenäosus 18 SEPkuni 20 SEP
| Klass M | 50% | 50% | 50% |
| Klass X | 05% | 05% | 05% |
| Prooton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 17 SEP 182 Prognoositud 18 SEP-20 SEP 185/190/190 90 päeva keskmine 17 SEP 177
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 16 SEP 014/021 ESTIMATED AFR/AP 17 SEP 020/025 PREDICTED AFR/AP 18 SEP-20 SEP 020/020-040/040-030/040
VI. Geomagnetilised aktiivsuse tõenäosused 18 SEP kuni 20 SEP
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 60% | 50% | 50% |
| Väike torm | 15% | 25% | 25% |
| Suur-tõsine torm | 05% | 25% | 25% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 75% | 25% | 25% |
| Väike torm | 15% | 30% | 30% |
| Suur-tõsine torm | 05% | 35% | 35% |
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