Vaata kolmapäev, 12 aprill 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 Apr 12 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 103 Välja antud 2200Z kuni 12 APR 2000IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 11-2100Z kuni 12-2100Z SOLAR ACTIVITY REMAINED AT MODERATE LEVELS. REGION 8948
(S16W37) APPEARED TO STABILIZE AS A MODERATE-SIZED, MIXED-POLARITY
REGION FOLLOWING TWO DAYS OF GRADUAL DECAY. IT PRODUCED TWO M-CLASS
FLARES DURING THE PERIOD: AN M1/1N AT 11/2337Z AND AN M1/SF AT
12/0335Z. REGION 8948 ALSO PRODUCED A C2/SN FLARE AT 12/0630Z WITH
AN ASSOCIATED TYPE II RADIO SWEEP. NEW REGION 8959 (S19E29) EMERGED
JUST SOUTH OF REGION 8953 (S16E31).
IB. Päikese aktiivsuse ennustus
ACTIVITY IS EXPECTED TO BE AT LOW TO
MODERATE LEVELS. THERE IS A FAIR TO GOOD CHANCE FOR ISOLATED M-CLASS
FLARES FROM REGION 8948.
IIA. Summaarne geofüüsikaline aktiivsus 11-2100Z kuni 12-2100Z
GEOMAGNETIC FIELD ACTIVITY WAS AT QUIET TO UNSETTLED LEVELS. THE
GREATER THAN 2 MEV ELECTRON FLUX AT GEOSYNCHRNOUS ORBIT WAS AT
MODERATE TO HIGH LEVELS.
IIB. Geofüüsikalise aktiivsuse ennustus
GEOMAGNETIC FIELD ACTIVITY IS
EXPECTED TO REMAIN AT QUIET TO UNSETTLED LEVELS. AT THIS POINT, IT
APPEARS UNLIKELY THAT WE WILL SEE ANY SIGNIFICANT EFFECTS FROM THE
FAINT HALO-CME OBSERVED EARLY ON 10 APRIL. THE GREATER THAN 2 MEV
ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT IS EXPECTED TO DECLINE TO
NORMAL TO MODERATE LEVELS EARLY IN THE PERIOD.
III. Sündmuste tõenäosus 13 APRkuni 15 APR
| Klass M | 50% | 45% | 40% |
| Klass X | 05% | 05% | 05% |
| Prooton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 12 APR 173 Prognoositud 13 APR-15 APR 175/175/170 90 päeva keskmine 12 APR 185
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 11 APR 008/010 ESTIMATED AFR/AP 12 APR 008/005 PREDICTED AFR/AP 13 APR-15 APR 012/012-010/010-012/012
VI. Geomagnetilised aktiivsuse tõenäosused 13 APR kuni 15 APR
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 15% | 20% |
| Väike torm | 10% | 05% | 10% |
| Suur-tõsine torm | 05% | 01% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 20% | 25% |
| Väike torm | 15% | 10% | 15% |
| Suur-tõsine torm | 15% | 10% | 15% |
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