Viewing archive of onsdag, 22 juli 1998
Solaktivitetsrapport
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.
Rapport för sol- och geofysisk aktivitet 1998 Jul 22 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 203 publicerat klockan 2200Z på 22 JUL 1998IA. Analys av solfläcksgrupper och solaktivitet från 21-2100Z till 22-2100Z SOLAR ACTIVITY WAS LOW. REGION 8280 (S21E64) PRODUCED
THREE C-CLASS FLARES IN THE LAST 24 HOURS, THE LARGEST OF WHICH WAS
A C6 AT 0503UT. THIS GROUP IS CLASSIFIED AS AN EKO BETA AND IS THE
LARGEST SUNSPOT REGION ON THE DISK WITH AN AREA OF 370 MILLIONTHS.
REGION 8279 (N27E19) HAS DEVELOPED PENUMBRA ON BOTH LEADER AND
TRAILER PORTIONS OF THE GROUP. REGION 8277 (S14W55) APPEARS TO HAVE
STOPPED ITS INITIAL GROWTH PHASE AND WAS STABLE. NEW REGION 8282
NEAR N23E70 ROTATED INTO VIEW TODAY. A 6 DEGREE FILAMENT NEAR S40W31
DISAPPEARED BETWEEN 1003Z AND 1028Z TODAY.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE LOW,
BUT THERE IS A CONTINUED CHANCE FOR AN ISOLATED M-CLASS EVENT FROM
REGION 8280, 8277, OR 8279.
IIA. Sammanfattning av geofysisk aktivitet 21-2100Z till 22-2100Z
THE GEOMAGNETIC FIELD WAS MOSTLY QUIET TO UNSETTLED FOR THE PAST 24
HOURS. THERE WERE SOME ISOLATED ACTIVE PERIODS SOME HIGH LATITUDE
STATIONS BETWEEN 14-18Z.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
III. Chans för solutbrott från 23 JUL till 25 JUL
| M-klass | 20% | 20% | 20% |
| X-klass | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 22 JUL 114 Prognoserat 23 JUL-25 JUL 115/115/112 90 Day Mean 22 JUL 108
V. Geomagnetiskt A-index
OBSERVED AFR/AP 21 JUL 011/015 ESTIMATED AFR/AP 22 JUL 007/008 PREDICTED AFR/AP 23 JUL-25 JUL 010/008-005/007-010/007
VI. Chanser för geomagnetisk aktivitet från 23 JUL till 25 JUL
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 15% | 20% |
| Små stormförhållanden | 10% | 05% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 15% | 25% |
| Små stormförhållanden | 10% | 05% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
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