Viewing archive of fredag, 8 september 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 Sep 08 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 252 publicerat klockan 2200Z på 08 SEP 2000IA. Analys av solfläcksgrupper och solaktivitet från 07-2100Z till 08-2100Z SOLAR ACTIVITY HAS BEEN LOW. THE LARGEST EVENT WAS THE
LONG DURATION C7/SF FROM REGION 9151 (N13W61), WHICH COMMENCED AT
THE END OF LAST PERIOD AND PERSISTED INTO THIS ONE. AN ASSOCIATED
TYPE IV RADIO SWEEP WAS SUBSEQUENTLY REPORTED, AS WAS A PARTIAL HALO
CME FROM SOHO/LASCO. TWO OTHER MINOR C-CLASS FLARES OCCURRED TODAY,
ONE FROM REGION 9151, AND ONE OPTICALLY UNCORRELATED.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED BE LOW TO
MODERATE. ISOLATED M-CLASS ACTIVITY COULD STILL OCCUR FROM REGIONS
9151, 9149 (N14W78), OR 9154 (S17W49) BEFORE THEY ROTATE OFF THE
WEST LIMB.
IIA. GEOPHYSICAL ACTIVITY SUMMARY 07/2100Z TO 08/2100Z:
THE GEOMAGNETIC FIELD HAS BEEN QUIET TO ACTIVE, WITH ONE PERIOD OF
MINOR STORMING AT HIGHER LATITUDES FROM 0900-1200 UTC.
GREATER-THAN-TWO MEV ELECTRONS AT GEOSYNCHRONOUS ORBIT WERE AT
ENHANCED LEVELS.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS
EXPECTED TO PERSIST AT QUIET TO UNSETTLED LEVELS FOR THE NEXT THREE
DAYS, WITH ISOLATED ACTIVE PERIODS DUE TO POSSIBLE EFFECTS OF A WEAK
CORONAL HOLE. THE RECENT CME ACTIVITY, DISCUSSED IN SECTION IA ABOVE,
DOES NOT APPEAR TO BE EARTH-DIRECTED.
III. Chans för solutbrott från 09 SEP till 11 SEP
| M-klass | 30% | 30% | 30% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 08 SEP 163 Prognoserat 09 SEP-11 SEP 160/155/150 90 Day Mean 08 SEP 181
V. Geomagnetiskt A-index
OBSERVED AFR/AP 07 SEP 012/016 ESTIMATED AFR/AP 08 SEP 017/020 PREDICTED AFR/AP 09 SEP-11 SEP 012/015-012/012-012/012
VI. Chanser för geomagnetisk aktivitet från 09 SEP till 11 SEP
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 30% | 30% |
| Små stormförhållanden | 15% | 15% | 15% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 35% | 35% |
| Små stormförhållanden | 15% | 15% | 15% |
| Svåra stormförhållanden | 05% | 05% | 05% |
All times in UTC
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