Vaata esmaspäev, 11 oktoober 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 Oct 11 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 284 Välja antud 2200Z kuni 11 OCT 1999IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 10-2100Z kuni 11-2100Z SOLAR ACTIVITY WAS LOW. TODAY'S ACTIVITY CONSISTED OF A
FEW, LOW LEVEL C-CLASS EVENTS. OF THE 10 SPOTTED REGIONS ON THE
DISK, NEW REGION 8731 (N10E62) WAS THE MOST ACTIVE WITH FREQUENT
POINT BRIGHTENINGS AND PLAGE FLUCTUATIONS. REGION 8728 (N22E38) IS
THE LARGEST GROUP ON THE DISK AT 560 MILLIONTHS AND SHOWS SOME
MAGNETIC COMPLEXITY. THIS GROUP HAS INCREASED SIGNIFICANTLY OVER THE
LAST 24 HOURS.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE
MOSTLY LOW, BUT THERE IS A GOOD CHANCE FOR AN ISOLATED M-CLASS EVENT
SOMETIME OVER THE NEXT THREE DAYS, ESPECIALLY GIVEN THE GROWTH AND
COMPLEXITY OF REGION 8728. REGION 8731 IS EXPECTED TO PRODUCE
OCCASIONAL C-CLASS FLARES OVER THE NEXT THREE DAYS.
IIA. Summaarne geofüüsikaline aktiivsus 10-2100Z kuni 11-2100Z
THE GEOMAGNETIC FIELD WAS AT QUIET TO ACTIVE LEVELS DURING THE PAST
24 HOURS. ACTIVE LEVELS DOMINATED FROM 0000-1500Z. SOLAR WIND
MEASUREMENTS INDICATED THAT THE ACTIVITY WAS DUE TO A HIGH-SPEED,
LOW-DENSITY CORONAL HOLE ASSOCIATED SOLAR WIND STREAM. THE GREATER
THAN 2 MEV ELECTRONS ATTAINED HIGH FLUX VALUES DURING THE PAST 24
HOURS.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE UNSETTLED TO ACTIVE DURING THE NEXT 24 HOURS AS THE
CURRENT DISTURBANCE SUBSIDES. A NEW ENHANCEMENT IN GEOMAGNETIC
ACTIVITY IS EXPECTED ON THE 2ND AND 3RD DAYS AS A NEW SOLAR CORONAL
HOLE WILL BE ROTATING INTO A GEOEFFECTIVE POSITION. MID-LATITUDES
ARE FORECAST TO BE ACTIVE AND HIGH LATITUDES ARE EXPECTED TO BE AT
MINOR STORM LEVELS.
III. Sündmuste tõenäosus 12 OCTkuni 14 OCT
| Klass M | 35% | 35% | 35% |
| Klass X | 05% | 05% | 05% |
| Prooton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 11 OCT 167 Prognoositud 12 OCT-14 OCT 170/175/180 90 päeva keskmine 11 OCT 154
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 10 OCT 018/028 ESTIMATED AFR/AP 11 OCT 020/022 PREDICTED AFR/AP 12 OCT-14 OCT 015/020-020/030-020/035
VI. Geomagnetilised aktiivsuse tõenäosused 12 OCT kuni 14 OCT
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 30% | 40% | 40% |
| Väike torm | 15% | 20% | 20% |
| Suur-tõsine torm | 10% | 10% | 10% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 35% | 40% | 40% |
| Väike torm | 15% | 25% | 25% |
| Suur-tõsine torm | 05% | 15% | 15% |
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