Vaata reede, 24 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 24 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 205 Välja antud 2200Z kuni 24 JUL 1998IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 23-2100Z kuni 24-2100Z SOLAR ACTIVITY REMAINED AT LOW LEVELS. ISOLATED C-CLASS
SUBFLARES OCCURRED, THE LARGEST OF WHICH WAS A C8/SF FROM REGION
8280 (S23E40) AT 24/0338UT. REGION 8280 REMAINED THE LARGEST GROUP
ON THE DISK AND RETAINED A SIMPLE BIPOLAR MAGNETIC STRUCTURE. REGION
8282 (N32E43) GREW AT A MODERATE PACE AND PRODUCED ISOLATED
SUBFLARES. NO NEW REGIONS WERE NUMBERED.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE
PREDOMINATELY LOW WITH A FAIR CHANCE FOR AN ISOLATED M-CLASS FLARE
FROM EITHER REGION 8280 OR 8282.
IIA. Summaarne geofüüsikaline aktiivsus 23-2100Z kuni 24-2100Z
THE GEOMAGNETIC FIELD WAS AT UNSETTLED TO MINOR STORM LEVELS WITH
ISOLATED MAJOR STORM PERIODS OBSERVED AT HIGH LATITUDES. ACE
NEAR-REAL-TIME SOLAR WIND DATA INDICATED THE ACTIVITY WAS DUE TO A
HIGH SPEED STREAM ASSOCIATED WITH AN EXTENSION OF THE NORTHERN POLAR
CORONAL HOLE. THE GREATER THAN 2 MEV ELECTRON FLUX REACHED HIGH
LEVELS AT 23/2240UT, THEN VARIED FROM MODERATE TO HIGH LEVELS FOR
THE REST OF THE PERIOD.
IIB. Geofüüsikalise aktiivsuse ennustus
THE CORONAL HOLE-RELATED
DISTURBANCE IS EXPECTED TO SUBSIDE TO QUIET TO ACTIVE LEVELS
TOMORROW. QUIET TO UNSETTLED CONDITIONS ARE EXPECTED FOR THE
REMAINDER OF THE PERIOD. THE GREATER THAN 2 MEV ELECTRON FLUX IS
EXPECTED TO REMAIN AT MODERATE TO HIGH LEVELS FOR MOST OF THE
PERIOD.
III. Sündmuste tõenäosus 25 JULkuni 27 JUL
| Klass M | 25% | 25% | 25% |
| Klass X | 05% | 05% | 05% |
| Prooton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 24 JUL 125 Prognoositud 25 JUL-27 JUL 128/130/132 90 päeva keskmine 24 JUL 108
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 23 JUL 025/037 ESTIMATED AFR/AP 24 JUL 022/022 PREDICTED AFR/AP 25 JUL-27 JUL 012/015-010/010-007/007
VI. Geomagnetilised aktiivsuse tõenäosused 25 JUL kuni 27 JUL
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 15% | 10% |
| Väike torm | 05% | 05% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 30% | 20% | 15% |
| Väike torm | 05% | 05% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
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