Viewing archive of söndag, 9 december 2001
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 2001 Dec 09 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 09 Dec 2001IA. Analys av solfläcksgrupper och solaktivitet från 08-2100Z till 09-2100Z Solar activity has been low during the past 24 hours.
Region 9727 (S20W10) produced today's largest flare: a C6/1f at 1541
UTC. There were several additional C-class flares during the day:
most of these were from Regions 9727 and 9733 (N14E58). However, a
C2 flare at 0421 UTC was observed to originate from the southeast
limb and was associated with a narrow-width CME. The region
subsequently rotated into view and was assigned 9734 (S12E81).
Region 9727 showed some growth today with the development of spots
north of the dominant leader spot.
IB. Prognos för solaktivitet
Solar activity is expected to be low
to moderate during the next three days. The main sources for
activity are expected to be Region 9727 and Region 9733.
IIA. Sammanfattning av geofysisk aktivitet 08-2100Z till 09-2100Z
The geomagnetic field was quiet during the past 24 hours.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mostly unsettled for the next two days. Quiet to
unsettled levels are expected on the third day.
III. Chans för solutbrott från 10 Dec till 12 Dec
| M-klass | 60% | 60% | 60% |
| X-klass | 10% | 10% | 10% |
| Proton | 10% | 10% | 10% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 09 Dec 224 Prognoserat 10 Dec-12 Dec 215/210/210 90 Day Mean 09 Dec 219
V. Geomagnetiskt A-index
Observerad Afr/Ap 08 Dec 007/005 Förväntat Afr/Ap 09 Dec 007/004 Prognoserat Afr/Ap 10 Dec-12 Dec 012/012-010/010-007/008
VI. Chanser för geomagnetisk aktivitet från 10 Dec till 12 Dec
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 20% | 20% |
| Små stormförhållanden | 15% | 10% | 10% |
| Svåra stormförhållanden | 05% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 25% | 25% |
| Små stormförhållanden | 20% | 15% | 15% |
| Svåra stormförhållanden | 05% | 01% | 01% |
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