Viewing archive of tisdag, 5 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 05 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 249 publicerat klockan 2200Z på 05 SEP 2000IA. Analys av solfläcksgrupper och solaktivitet från 04-2100Z till 05-2100Z SOLAR ACTIVITY DECREASED TO LOW LEVELS. REGION 9154
(S19W07) CONTINUED IN A GRADUAL GROWTH PHASE AND REMAINED THE
LARGEST AND MOST FLARE PRODUCTIVE OF THE VISIBLE REGIONS. IT
PRODUCED OCCASIONAL C-CLASS SUBFLARES, THE LARGEST OF WHICH WAS A
C6/SF AT 05/0008 UTC. REGION 9149 (N13W35) SHOWED SIGNS OF MINOR
DECAY AND PRODUCED AN ISOLATED SUBFLARE. THE REMAINING REGIONS WERE
STABLE. SOHO/LASCO IMAGES INDICATED A PARTIAL-HALO CME ASSOCIATED
WITH THE FILAMENT DISAPPEARANCE OF 4 SEPTEMBER (32-DEGREE EXTENT,
N13W38).
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE AT
LOW TO MODERATE LEVELS. REGION 9154 MAY PRODUCE AN M-CLASS FLARE.
IIA. GEOPHYSICAL ACTIVITY SUMMARY 04/2100Z TO 05/2100Z:
GEOMAGNETIC FIELD ACTIVITY HAS BEEN AT QUIET TO UNSETTLED LEVELS.
IIB. Prognos för geofysisk aktivitet
GEOMAGNETIC ACTIVITY IS
EXPECTED TO BE AT QUIET TO UNSETTLED LEVELS ON DAY ONE. ACTIVE TO
MAJOR STORM LEVELS ARE FORECAST FOR 7 - 8 SEPTEMBER DUE TO AN
EXPECTED CME PASSAGE AT EARTH ASSOCIATED WITH THE FILAMENT
DISAPPEARANCE OF 4 SEPTEMBER. THE GREATER THAN 2 MEV ELECTRON FLUX
AT GEOSYNCHRONOUS ORBIT MAY REACH HIGH LEVELS LATE IN THE PERIOD.
III. Chans för solutbrott från 06 SEP till 08 SEP
| M-klass | 30% | 30% | 30% |
| X-klass | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 05 SEP 180 Prognoserat 06 SEP-08 SEP 185/190/190 90 Day Mean 05 SEP 181
V. Geomagnetiskt A-index
OBSERVED AFR/AP 04 SEP 011/014 ESTIMATED AFR/AP 05 SEP 007/015 PREDICTED AFR/AP 06 SEP-08 SEP 015/012-030/030-030/030
VI. Chanser för geomagnetisk aktivitet från 06 SEP till 08 SEP
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 20% |
| Små stormförhållanden | 05% | 30% | 30% |
| Svåra stormförhållanden | 01% | 15% | 15% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 25% | 25% |
| Små stormförhållanden | 10% | 35% | 35% |
| Svåra stormförhållanden | 05% | 20% | 20% |
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