Vaata neljapäev, 12 veebruar 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 Feb 12 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 043 Välja antud 2200Z kuni 12 FEB 1998IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 11-2100Z kuni 12-2100Z SOLAR ACTIVITY WAS VERY LOW. NUMEROUS B-CLASS X-RAY
BURSTS OCCURRED, FOUR OF WHICH WERE OPTICALLY ASSOCIATED WITH
SUBFLARES FROM REGION 8156 (S24E43). REGION 8156 CONTINUED TO
DISPLAY MINOR GROWTH IN SPOT COUNT AND FIELD INTENSITY. NO NEW
REGIONS WERE NUMBERED.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW. REGION 8156 MAY PRODUCE C-CLASS SUBFLARES.
IIA. Summaarne geofüüsikaline aktiivsus 11-2100Z kuni 12-2100Z
THE GEOMAGNETIC FIELD WAS AT QUIET TO UNSETTLED LEVELS DURING MOST OF
THE PERIOD. HOWEVER, FIELD ACTIVITY INCREASED TO ACTIVE TO MINOR
STORM LEVELS DURING 12/0000-0300UT AND 12/1100-1300UTWITH THE MINOR
STORM LEVELS LIMITED TO HIGH LATITUDES. THE GREATER THAN 2 MEV
ELECTRON FLUX REACHED HIGH LEVELS AT 12/1722UT.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED DURING MOST OF THE PERIOD.
HOWEVER, ACTIVE PERIODS ARE POSSIBLE DURING THE LAST TWO DAYS OF THE
FORECAST PERIOD. THE GREATER THAN 2 MEV ELECTRON FLUX IS EXPECTED TO
BE AT MODERATE TO HIGH LEVELS.
III. Sündmuste tõenäosus 13 FEBkuni 15 FEB
| Klass M | 10% | 10% | 05% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 12 FEB 091 Prognoositud 13 FEB-15 FEB 094/094/094 90 päeva keskmine 12 FEB 096
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 11 FEB 010/013 ESTIMATED AFR/AP 12 FEB 010/010 PREDICTED AFR/AP 13 FEB-15 FEB 010/010-010/008-010/008
VI. Geomagnetilised aktiivsuse tõenäosused 13 FEB kuni 15 FEB
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 10% | 20% | 20% |
| Väike torm | 01% | 05% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 15% | 25% | 25% |
| Väike torm | 01% | 10% | 10% |
| Suur-tõsine torm | 01% | 01% | 01% |
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