Viewing archive of torsdag, 7 december 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 Dec 07 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 342 publicerat klockan 2200Z på 07 Dec 2000IA. Analys av solfläcksgrupper och solaktivitet från 06-2100Z till 07-2100Z Solar activity has been moderate. The largest event
was an M1/Sf at 06/2230 UTC from Region 9246 (S11W62). This region
also produced two other optically correlated C-class events, and
other uncorrelated C-class activity also occurred. An LDE C5 flare
with an associated loop prominence was observed on the northwest
limb at 07/1940 UTC. The likely source of this activity is Region
9242 (L=N20) behind the west limb. Four new regions - all in Bxo
beta configuration - were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be
predominantly low. An isolated chance for further moderate activity
exists for Region 9246, and possibly for Region 9254 (N10E10).
IIA. Sammanfattning av geofysisk aktivitet 06-2100Z till 07-2100Z
The geomagnetic field was predominantly quiet to unsettled, with
single periods of active levels observed at both mid and high
latitudes, during 0900-1200 and 1200-1500 UTC, respectively.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be predominantly unsettled throughout the period, with a
greater chance of active levels and isolated minor storming on day
two, under the influence of a favorably positioned coronal hole.
III. Chans för solutbrott från 08 Dec till 10 Dec
| M-klass | 25% | 25% | 20% |
| X-klass | 05% | 05% | 01% |
| Proton | 05% | 05% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 07 Dec 144 Prognoserat 08 Dec-10 Dec 145/150/150 90 Day Mean 07 Dec 176
V. Geomagnetiskt A-index
Observerad Afr/Ap 06 Dec 006/007 Förväntat Afr/Ap 07 Dec 014/015 Prognoserat Afr/Ap 08 Dec-10 Dec 015/015-020/025-010/015
VI. Chanser för geomagnetisk aktivitet från 08 Dec till 10 Dec
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 30% | 20% |
| Små stormförhållanden | 10% | 10% | 05% |
| Svåra stormförhållanden | 05% | 05% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 35% | 25% |
| Små stormförhållanden | 15% | 15% | 10% |
| Svåra stormförhållanden | 05% | 05% | 01% |
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Rymdvädersfakta
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