Viewing archive of torsdag, 11 december 1997
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 1997 Dec 11 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 345 publicerat klockan 2200Z på 11 DEC 1997IA. Analys av solfläcksgrupper och solaktivitet från 10-2100Z till 11-2100Z SOLAR ACTIVITY WAS VERY LOW. SEVERAL OPTICALLY
UNCORRELATED B CLASS X-RAY BURSTS AND MINOR RADIO SWEEPS OCCURRED
THROUGHOUT THE PERIOD. REGION 8119 (N32W38) CONTINUES TO EXHIBIT
SLOW GROWTH AND IS NOW A 15 SPOT DSO BETA GROUP. NEW REGION 8122
(N31W06) WAS NUMBERED TODAY AND DEVELOPED IMPRESSIVELY INTO AN 18
SPOT DRO BETA GROUP. THE REMAINING REGIONS WERE QUIET AND STABLE.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE
VERY LOW TO LOW. REGION 8119 HAS POTENTIAL FOR ISOLATED C-CLASS
FLARING. ISOLATED C-CLASS ACTIVITY IS ALSO POSSIBLE IN REGION
8122. IF THIS REGION CONTINUES TO DEVELOP, ESPECIALLY AT ITS
PRESENT GROWTH RATE, IT MAY SOON BE CAPABLE OF PRODUCING M-CLASS
ACTIVITY.
IIA. Sammanfattning av geofysisk aktivitet 10-2100Z till 11-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE. THE DISTURBANCE, WHICH
BEGAN YESTERDAY, IS STARTING TO SUBSIDE. THE FIELD IS NOW AT
PREDOMINANTLY QUIET TO UNSETTLED LEVELS. THE GREATER THAN 2 MEV
ELECTRON FLUX REACHED HIGH LEVELS LATE IN THE PERIOD.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED. HIGH LATITUDES MAY EXPERIENCE
ISOLATED PERIODS OF ACTIVE CONDITIONS.
III. Chans för solutbrott från 12 DEC till 14 DEC
| M-klass | 05% | 15% | 15% |
| X-klass | 01% | 01% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 11 DEC 096 Prognoserat 12 DEC-14 DEC 094/094/096 90 Day Mean 11 DEC 094
V. Geomagnetiskt A-index
OBSERVED AFR/AP 10 DEC 015/015 ESTIMATED AFR/AP 11 DEC 010/015 PREDICTED AFR/AP 12 DEC-14 DEC 010/010-010/008-010/008
VI. Chanser för geomagnetisk aktivitet från 12 DEC till 14 DEC
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 10% | 10% |
| Små stormförhållanden | 01% | 01% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 15% |
| Små stormförhållanden | 05% | 05% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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