Vaata kolmapäev, 27 mai 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 May 27 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
:::::::::: CORRECTED COPY :::::::::: SDF number 147 Välja antud 2200Z kuni 27 MAY 1998IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 26-2100Z kuni 27-2100Z SOLAR ACTIVITY WAS LOW. REGIONS 8224 (S24W90) AND 8226
(N18W66) PRODUCED SEVERAL C-CLASS FLARES INCLUDING A C7 LONG
DURATION EVENT AT 27/1335Z WITH MODERATE RADIO BURSTS. BOTH REGIONS
HAD A FLARE IN PROGRESS DURING THE X-RAY EVENT. LASCO IMAGERY
SHOWS A LARGE CORONAL MASS EJECTION ORIGINATING FROM THE NW. WELL
DEFINED POST FLARE LOOPS ARE OBVIOUS ON THE EIT IMAGES SUGGESTING
THAT REGION 8226 WAS THE PROBABLE SOURCE FOR THE LONG DURATION
EVENT. A MODERATE 8 FREQUENCY RADIO BURST AND TENFLARE ALSO
OCCURRED WITH THIS EVENT. REGION 8224 WAS SPOTLESS FOR MOST OF ITS
TRANSIT ON THE VISIBLE DISK BEFORE DEVELOPING RAPIDLY EARLY
YESTERDAY. SPOTS ARE NOW VISIBLE IN THIS REGION AS IT ROUNDS THE
WEST LIMB. REMAINING REGIONS HAVE BEEN QUIET.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. DRAMATIC GROWTH IN REGION 8224 WILL LIKELY ENSURE
CONTINUED C-CLASS ACTIVITY AND A DEVELOPING CHANCE FOR M-CLASS.
REGION 8226 WILL ALSO CONTINUE PRODUCING C-CLASS WITH A CHANCE OF
A M-CLASS FLARE.
IIA. Summaarne geofüüsikaline aktiivsus 26-2100Z kuni 27-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD IS
EXPECTED TO REMAIN MOSTLY QUIET TO UNSETTLED. WE ARE EXPECTING MINOR
GEOEFFECTIVNESS ON DAY 3 FROM TODAY'S LONG DURATION EVENT.
III. Sündmuste tõenäosus 28 MAYkuni 30 MAY
| Klass M | 15% | 10% | 05% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 27 MAY 094 Prognoositud 28 MAY-30 MAY 094/094/096 90 päeva keskmine 27 MAY 108
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 26 MAY 007/008 ESTIMATED AFR/AP 27 MAY 008/010 PREDICTED AFR/AP 28 MAY-30 MAY 007/008-007/008-010/010
VI. Geomagnetilised aktiivsuse tõenäosused 28 MAY kuni 30 MAY
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 10% | 10% | 20% |
| Väike torm | 01% | 01% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 15% | 15% | 25% |
| Väike torm | 05% | 05% | 10% |
| Suur-tõsine torm | 01% | 01% | 01% |
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