Viewing archive of fredag, 12 november 1999
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 1999 Nov 12 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 316 publicerat klockan 2200Z på 12 NOV 1999IA. Analys av solfläcksgrupper och solaktivitet från 11-2100Z till 12-2100Z SOLAR ACTIVITY WAS MODERATE. EARLY IN THE PERIOD AN
OPTICALLY UNCORRELATED C4 WAS OBSERVED AT 12/0130Z WITH AN
ASSOCIATED TYPE IV RADIO SWEEP. REGION 8759 (N10E06) PRODUCED AN M1
AT 12/0916Z WHICH WAS OPTICALLY CORRELATED WITH THE LASCO/SOHO EIT
DATA. THE REGION PRODUCED ANOTHER M1/SF AT 12/1154Z. SEVERAL OF THE
TWELVE NUMBERED REGIONS ON THE SOLAR DISK PRODUCED SUBFLARES DURING
THE PERIOD.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. A POSSIBILITY OF MAJOR FLARING EXISTS FROM SEVERAL OF
THE REGIONS CURRENTLY TRANSITING THE DISK.
IIA. Sammanfattning av geofysisk aktivitet 11-2100Z till 12-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. ACTIVE CONDITIONS WERE
OBSERVED AT MID-LATITUDES DURING THE 11/2100Z PERIOD. ENERGETIC
ELECTRON FLUXES AT GEOSYNCHRONOUS ORBIT WERE AT HIGH LEVELS DURING
THE PERIOD.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED THROUGH THE FORECAST PERIOD.
ACTIVE LEVELS MAY OCCUR THE FIRST DAY OF THE PERIOD AS THE CURRENT
CORONAL HOLE DISTURBANCE SUBSIDES.
III. Chans för solutbrott från 13 NOV till 15 NOV
| M-klass | 70% | 70% | 70% |
| X-klass | 15% | 15% | 15% |
| Proton | 10% | 10% | 10% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 12 NOV 232 Prognoserat 13 NOV-15 NOV 225/220/215 90 Day Mean 12 NOV 160
V. Geomagnetiskt A-index
OBSERVED AFR/AP 11 NOV 022/023 ESTIMATED AFR/AP 12 NOV 012/010 PREDICTED AFR/AP 13 NOV-15 NOV 010/012-008/010-005/008
VI. Chanser för geomagnetisk aktivitet från 13 NOV till 15 NOV
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 25% | 20% |
| Små stormförhållanden | 15% | 10% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 30% | 30% |
| Små stormförhållanden | 20% | 15% | 15% |
| Svåra stormförhållanden | 05% | 05% | 05% |
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