Viewing archive of fredag, 8 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 08 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 343 publicerat klockan 2200Z på 08 Dec 2000IA. Analys av solfläcksgrupper och solaktivitet från 07-2100Z till 08-2100Z Solar activity was low. Several minor C-class X-ray
flares were observed, mostly from Region 9246 as it rotates around
the west limb near S11. Very little change was noted on the existing
six spotted regions. New region 9262 (N13E70) was numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to continue
at low levels. Most activity will likely originate from Region 9246
as it rotates out of view on the SW limb.
IIA. Sammanfattning av geofysisk aktivitet 07-2100Z till 08-2100Z
The geomagnetic field was quiet to active. The field began the period
at mostly quiet to unsettled levels, but predominantly unsettled to
active conditions began at 07/2300Z following the onset of a high
speed coronal hole stream. Current solar wind speed from this large
transequatorial coronal hole is now near 650 km/s.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to continue at mostly unsettled to active conditions
through day one in response to the high speed coronal hole stream.
Minor storming is likely at high latitudes. This disturbance should
subside through day two. Expect quiet to unsettled conditions
thereafter.
III. Chans för solutbrott från 09 Dec till 11 Dec
| M-klass | 25% | 25% | 25% |
| X-klass | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 08 Dec 138 Prognoserat 09 Dec-11 Dec 135/135/130 90 Day Mean 08 Dec 175
V. Geomagnetiskt A-index
Observerad Afr/Ap 07 Dec 008/013 Förväntat Afr/Ap 08 Dec 017/020 Prognoserat Afr/Ap 09 Dec-11 Dec 020/025-010/015-005/012
VI. Chanser för geomagnetisk aktivitet från 09 Dec till 11 Dec
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 25% | 15% |
| Små stormförhållanden | 20% | 10% | 05% |
| Svåra stormförhållanden | 05% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 50% | 30% | 20% |
| Små stormförhållanden | 25% | 15% | 10% |
| Svåra stormförhållanden | 10% | 05% | 01% |
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