Viewing archive of fredag, 5 juni 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 Jun 05 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 156 publicerat klockan 2200Z på 05 JUN 1998IA. Analys av solfläcksgrupper och solaktivitet från 04-2100Z till 05-2100Z SOLAR ACTIVITY WAS LOW. REGION 8232 (S18E34) PRODUCED A
HANDFUL OF C1/SF FLARES DURING THE PERIOD. THIS REGION IS NOW
MAGNETICALLY CLASSIFIED AS A BETA-GAMMA. REGION 8033 (N28E36)
PRODUCED SEVERAL SMALL SUBFLARES. THREE MODERATE SIZE FILAMENTS IN
THE SOUTHERN HEMISPHERE FADED OVER A PERIOD OF SEVERAL HOURS
BEGINNING EARLY ON 05 JUN. AN EXTENSIVE POST-ERUPTION ARCADE WAS
OBSERVED IN BOTH EUV AND X-RAYS FOLLOWING THE FILAMENT DISRUPTIONS.
A CME FROM THE SOUTHERN HEMISPHERE WAS ALSO OBSERVED DURING THE EARLY
HOURS OF 05 JUN.
IB. Prognos för solaktivitet
SOLAR ACTIVITY SHOULD REMAIN GENERALLY
LOW. REGION 8232 MAINTAINS THE CAPABILITY OF PRODUCING AN ISOLATED
M-CLASS EVENT.
IIA. Sammanfattning av geofysisk aktivitet 04-2100Z till 05-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. SOLAR WIND VELOCITIES
WERE UNDER 400 KM/S FOR THE MAJORITY OF THE PERIOD. A VERY WEAK
ENHANCEMENT OF THE GT 10 MEV PROTON FLUX BEGAN NEAR 04/2000Z AND
RETURNED TO BACKGROUND LEVELS AT THE END OF THE PERIOD.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD SHOULD BE
PREDOMINANTLY QUIET TO UNSETTLED FOR THE NEXT THREE DAYS. ISOLATED
ACTIVE PERIODS ARE POSSIBLE DURING THAT TIME. UNSETTLED TO ACTIVE
CONDITIONS ARE POSSIBLE ON 09 JUN IN RESPONSE TO THE FILAMENT
DISRUPTIONS MENTIONED ABOVE.
III. Chans för solutbrott från 06 JUN till 08 JUN
| M-klass | 20% | 20% | 20% |
| X-klass | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 05 JUN 115 Prognoserat 06 JUN-08 JUN 115/115/115 90 Day Mean 05 JUN 109
V. Geomagnetiskt A-index
OBSERVED AFR/AP 04 JUN 007/012 ESTIMATED AFR/AP 05 JUN 008/014 PREDICTED AFR/AP 06 JUN-08 JUN 010/012-007/010-010/012
VI. Chanser för geomagnetisk aktivitet från 06 JUN till 08 JUN
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 15% | 25% |
| Små stormförhållanden | 10% | 05% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 15% | 25% |
| Små stormförhållanden | 10% | 05% | 15% |
| Svåra stormförhållanden | 05% | 05% | 05% |
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