Viewing archive of lördag, 3 oktober 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 Oct 03 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 276 publicerat klockan 2200Z på 03 OCT 1998IA. Analys av solfläcksgrupper och solaktivitet från 02-2100Z till 03-2100Z SOLAR ACTIVITY REMAINED VERY LOW. ONLY MINOR B-CLASS
ENHANCEMENTS WERE OBSERVED. REGION 8350 (N19E55) WAS GENERALLY
STABLE. SLIGHT MAGNETIC POLARITY MIXING BECAME EVIDENT DURING THE
PERIOD. A MODERATE SIZE FILAMENT LOCATED FROM N51E35-N48E57 FADED
BETWEEN 03/0253-0849Z.
IB. Prognos för solaktivitet
SOLAR ACTIVITY SHOULD REMAIN
PREDOMINANTLY VERY LOW FOR THE NEXT THREE DAYS. REGION 8350 IS
CAPABLE OF PRODUCING AN ISOLATED C-CLASS FLARE.
IIA. Sammanfattning av geofysisk aktivitet 02-2100Z till 03-2100Z
THE GEOMAGNETIC FIELD WAS AT UNSETTLED TO ACTIVE LEVELS FOR THE FIRST
HALF OF THE PERIOD. ISOLATED MINOR STORMING WAS OBSERVED DURING THAT
TIME. DURING THE LATTER HALF OF THE PERIOD, THE FIELD WAS QUIET TO
UNSETTLED. SOLAR WIND VELOCITY FELL STEADILY THROUGH THE PERIOD FROM
ABOUT 650 KM/S TO APPROXIMATELY 500 KM/S. IT APPEARS THAT THE
DISTURBANCE EXPECTED TO ARRIVE ON 03 OCT, ACTUALLY ARRIVED ON 02 OCT
NEAR 0700Z. ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS ORBIT
REACHED HIGH LEVELS DURING THE PERIOD.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD SHOULD BE
QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
III. Chans för solutbrott från 04 OCT till 06 OCT
| M-klass | 05% | 05% | 05% |
| X-klass | 01% | 01% | 01% |
| Proton | 05% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 03 OCT 112 Prognoserat 04 OCT-06 OCT 111/110/111 90 Day Mean 03 OCT 129
V. Geomagnetiskt A-index
OBSERVED AFR/AP 02 OCT 027/021 ESTIMATED AFR/AP 03 OCT 017/020 PREDICTED AFR/AP 04 OCT-06 OCT 008/015-008/010-008/008
VI. Chanser för geomagnetisk aktivitet från 04 OCT till 06 OCT
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 10% | 10% |
| Små stormförhållanden | 05% | 05% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 15% | 10% |
| Små stormförhållanden | 10% | 10% | 05% |
| Svåra stormförhållanden | 05% | 05% | 01% |
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