Vaata teisipäev, 6 aprill 1999 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 1999 Apr 06 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 096 Välja antud 2200Z kuni 06 APR 1999IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 05-2100Z kuni 06-2100Z SOLAR ACTIVITY WAS LOW. REGION 8508 (N19E37) PRODUCED A
C3/SF AT 06/0705Z AND REGION 8506 (S26W410) GENERATED A C3/SF AT
05/2309Z. SOME AREAS OF MAGNETIC COMPLEXITY WERE VISIBLE IN BOTH
REGIONS BUT OVERALL THESE REGIONS WERE STABLE.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY SHOULD REMAIN
PREDOMINANTLY LOW FOR THE NEXT THREE DAYS. ISOLATED M-CLASS EVENTS
ARE POSSIBLE FROM REGIONS 8506 AND 8508.
IIA. Summaarne geofüüsikaline aktiivsus 05-2100Z kuni 06-2100Z
THE GEOMAGNETIC FIELD WAS PREDOMINANTLY QUIET WITH THE EXCEPTION OF
THE 06/0000-0600Z PERIOD WHEN UNSETTLED TO ACTIVE CONDITIONS
OCCURRED. ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS ORBIT WERE
HIGH DURING THE PERIOD.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD SHOULD
REMAIN QUIET UNTIL LATE ON 07 APR. THEN A WEAK, CME RELATED,
DISTURBANCE IS EXPECTED TO BEGIN. A HALO-APPEARING CME OCCURRED AT
THE SUN ON 04 APR. HOWEVER, IT IS BELIEVED THIS CME ACTUALLY
CONSISTED OF TWO SEPARATE EJECTIONS FROM THE NORTHWEST AND SOUTHEAST
LIMBS. IT IS NOT EXPECTED THAT THE EARTH WILL RECEIVE A DIRECT BLOW
BY THESE EJECTIONS. ACTIVE GEOMAGNETIC PERIODS ARE PROBABLE DURING
THE 08-09 APR TIME PERIOD.
III. Sündmuste tõenäosus 07 APRkuni 09 APR
| Klass M | 30% | 30% | 30% |
| Klass X | 05% | 05% | 05% |
| Prooton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 06 APR 137 Prognoositud 07 APR-09 APR 140/142/144 90 päeva keskmine 06 APR 134
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 05 APR 009/011 ESTIMATED AFR/AP 06 APR 008/008 PREDICTED AFR/AP 07 APR-09 APR 012/015-015/015-010/010
VI. Geomagnetilised aktiivsuse tõenäosused 07 APR kuni 09 APR
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 30% | 30% | 20% |
| Väike torm | 20% | 20% | 10% |
| Suur-tõsine torm | 10% | 10% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 30% | 30% | 20% |
| Väike torm | 20% | 20% | 10% |
| Suur-tõsine torm | 10% | 10% | 05% |
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