Vaata reede, 6 august 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 Aug 06 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
*************CORRECTED COPY**************************** SDF number 218 Välja antud 2200Z kuni 06 AUG 1999IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 05-2100Z kuni 06-2100Z SOLAR ACTIVITY REMAINED AT MODERATE LEVELS. REGION 8645
(S28W92) PRODUCED AN M1/SF AT 06/1636Z WHILE CROSSING THE SOUTHWEST
LIMB. A TYPE II RADIO SWEEP (EST. SHOCK VELOCITY 900 KM/SEC) WAS
ASSOCIATED WITH THIS FLARE. TWO M1 X-RAY BURSTS WERE DETECTED AT
05/2224Z AND 05/2239Z. SPACE-BASED IMAGES INDICATED THAT REGION 8645
WAS RESPONSIBLE FOR THESE EVENTS AS WELL. REGION 8651 (N26W57)
CONTINUED TO GRADUALLY DECLINE, BUT REMAINED A MODERATE-SIZED F-TYPE
GROUP WITH A SLIGHT MIXING OF POLARITIES. IT PRODUCED A SINGLE
SUBFLARE LATE IN THE PERIOD. NEW REGION 8662 (S16E60) WAS NUMBERED.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE AT
LOW TO MODERATE LEVELS WITH A DECREASING TREND THROUGH THE PERIOD.
THERE IS A FAIR CHANCE FOR AN ISOLATED M-CLASS FLARE FROM BEYOND THE
SOUTHWEST LIMB DURING THE FIRST DAY. REGION 8651 MAY PRODUCE AN
ISOLATED M-CLASS FLARE SOMETIME DURING THE PERIOD.
IIA. Summaarne geofüüsikaline aktiivsus 05-2100Z kuni 06-2100Z
THE GEOMAGNETIC FIELD WAS AT QUIET TO ACTIVE LEVELS. ACTIVE LEVELS
OCCURRED DURING 06/1500 - 1800Z.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE AT QUIET TO UNSETTLED LEVELS THROUGH THE PERIOD.
III. Sündmuste tõenäosus 07 AUGkuni 09 AUG
| Klass M | 50% | 40% | 40% |
| Klass X | 05% | 05% | 05% |
| Prooton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 06 AUG 170 Prognoositud 07 AUG-09 AUG 160/155/145 90 päeva keskmine 06 AUG 165
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 05 AUG 006/011 ESTIMATED AFR/AP 06 AUG 012/015 PREDICTED AFR/AP 07 AUG-09 AUG 008/008-005/008-005/008
VI. Geomagnetilised aktiivsuse tõenäosused 07 AUG kuni 09 AUG
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 10% | 10% | 10% |
| Väike torm | 01% | 01% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 15% | 15% |
| Väike torm | 05% | 05% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
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