Vaata teisipäev, 31 märts 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 Mar 31 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 090 Välja antud 2200Z kuni 31 MAR 1998IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 30-2100Z kuni 31-2100Z SOLAR ACTIVITY WAS LOW. SEVERAL C-CLASS EVENTS OCCURRED
TODAY, THE LARGEST OF WHICH WAS A C2/SF AT 0302Z FROM REGION 8190
(S22E36). REGION 8190 HAS SHOWN STEADY GROWTH DURING THE PAST 24
HOURS AND WAS THE SOURCE OF THE MAJORITY OF TODAY'S FLARE ACTIVITY.
NEW REGION 8191 (S23E48) WAS ASSIGNED TODAY AND IS A SMALL BIPOLAR
GROUP JUST EAST OF 8190. REGION 8185 (S25W51) IS STILL THE LARGEST
REGION ON THE DISK BUT WAS DECLINING IN SUNSPOT AREA AND MAGNETIC
FIELD INTENSITY. LASCO IMAGES BEGINNING AT 31/0626Z SHOWED A LARGE
ERUPTION OF MATERIAL; THE PROJECTION WAS FROM THE SOUTHWESTERN PART
OF THE DISK. THE LACK OF ANY CORRESPONDING SIGNATURES ON THE DISK
SUGGEST THAT THE SOURCE WAS PROBABLY ON THE BACK SIDE OF THE SUN.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE LOW.
THERE CONTINUES TO BE A SLIGHT CHANCE FOR ISOLATED M-CLASS EVENTS.
REGION 8190 IS EXPECTED TO BE THE MOST ACTIVE REGION OVER THE NEXT
THREE DAYS.
IIA. Summaarne geofüüsikaline aktiivsus 30-2100Z kuni 31-2100Z
THE GEOMAGNETIC FIELD WAS MOSTLY QUIET TO UNSETTLED. MINOR INTENSITY
SUBSTORMS WERE RECORDED AT HIGH LATITUDE BETWEEN FROM 0300-0900Z,
LEADING TO UNSETTLED LEVELS AT MID-LATITUDE STATIONS AND ACTIVE
LEVELS FOR THE PLANETARY INDICES. THE FIELD WAS QUIET AT ALL
LATITUDES FOR THE REMAINDER OF THE PERIOD. THE GREATER THAN 2 MEV
ELECTRON FLUXES ATTAINED HIGH LEVELS.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE UNSETTLED TO ACTIVE, WITH A CHANCE FOR SOME MINOR
STORM LEVEL CONDITIONS, OVER THE NEXT 24-48 HOURS. ENHANCED ACTIVITY
IS POSSIBLE BECAUSE OF A TRANSIENT ASSOCIATED WITH THE FILAMENT
ERUPTION ON 30 MARCH. CONDITIONS ARE EXPECTED TO RETURN TO UNSETTLED
TO QUIET LEVELS BY THE THIRD DAY.
III. Sündmuste tõenäosus 01 APRkuni 03 APR
| Klass M | 15% | 15% | 15% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 31 MAR 108 Prognoositud 01 APR-03 APR 110/110/105 90 päeva keskmine 31 MAR 099
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 30 MAR 006/010 ESTIMATED AFR/AP 31 MAR 012/012 PREDICTED AFR/AP 01 APR-03 APR 020/015-012/020-007/015
VI. Geomagnetilised aktiivsuse tõenäosused 01 APR kuni 03 APR
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 50% | 40% | 25% |
| Väike torm | 20% | 20% | 15% |
| Suur-tõsine torm | 05% | 05% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 60% | 50% | 25% |
| Väike torm | 30% | 25% | 20% |
| Suur-tõsine torm | 05% | 05% | 05% |
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