Viewing archive of måndag, 21 februari 2000
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 2000 Feb 21 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 052 publicerat klockan 2200Z på 21 FEB 2000IA. Analys av solfläcksgrupper och solaktivitet från 20-2100Z till 21-2100Z SOLAR ACTIVITY WAS MODERATE. TWO MINOR M-CLASS EVENTS,
BOTH OPTICALLY UNCORRELATED, WERE OBSERVED DURING THE PERIOD. THE
FIRST WAS AN M2 AT 20/2207, AND THE SECOND WAS AN M1 AT 21/0836.
SEVERAL OTHER MINOR C-CLASS EVENTS WERE ALSO REPORTED. NEW REGION
8881 (N19E53), AND 8882 (S16E69) WERE NUMBERED TODAY.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE WITH THE POSSIBILITY OF AN ISOLATED M-CLASS EVENT.
IIA. Sammanfattning av geofysisk aktivitet 20-2100Z till 21-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO MINOR STORM. ONE ISOLATED PERIOD
OF MINOR STORM CONDITIONS WAS OBSERVED FROM 21/1500-1800Z DUE TO A
SHORTLIVED DISTURBANCE IN THE MAGNETIC FIELD, AND MAY BE RELATED TO
A TYPE II SWEEP THAT OCCURRED BACK ON 18 FEBRUARY.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET TO UNSETTLED WITH THE POSSIBILITY OF
ACTIVE CONDITIONS ON THE FIRST AND THIRD DAY OF THE PERIOD.
III. Chans för solutbrott från 22 FEB till 24 FEB
| M-klass | 30% | 30% | 25% |
| X-klass | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 21 FEB 152 Prognoserat 22 FEB-24 FEB 145/135/130 90 Day Mean 21 FEB 164
V. Geomagnetiskt A-index
OBSERVED AFR/AP 20 FEB 005/005 ESTIMATED AFR/AP 21 FEB 016/020 PREDICTED AFR/AP 22 FEB-24 FEB 015/025-010/012-015/015
VI. Chanser för geomagnetisk aktivitet från 22 FEB till 24 FEB
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 25% | 20% |
| Små stormförhållanden | 15% | 05% | 05% |
| Svåra stormförhållanden | 05% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 30% | 25% |
| Små stormförhållanden | 25% | 10% | 10% |
| Svåra stormförhållanden | 10% | 05% | 05% |
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Rymdvädersfakta
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