Viewing archive of fredag, 18 november 2005
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 2005 Nov 18 2204 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 322 publicerat klockan 2200Z på 18 Nov 2005IA. Analys av solfläcksgrupper och solaktivitet från 17-2100Z till 18-2100Z Solar activity increased to moderate levels. Region
822 (S07E02) produced an M1/Sf flare which occurred at 18/0034Z.
Multiple B and C-class flares were also recorded from Region 822.
This region appears to have decayed slightly during the past 24
hours. Several B and C-class x-ray flares were also observed from a
source region just beyond the northwest solar limb. No new regions
were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at
low to moderate levels. Region 822 may be capable of producing an
isolated major flare.
IIA. Sammanfattning av geofysisk aktivitet 17-2100Z till 18-2100Z
The geomagnetic field was at quiet levels.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at quiet levels on 19 November. Predominantly quiet
to unsettled conditions are expected on 20 November. Isolated
active periods will be possible on 21 November due to a solar sector
boundary crossing. There is a slight chance that weak transient
effects resulting from the disappearing solar filament that occurred
late on 16 November, may help to enhance the geomagnetic field on 21
November.
III. Chans för solutbrott från 19 Nov till 21 Nov
| M-klass | 60% | 60% | 60% |
| X-klass | 10% | 10% | 10% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 18 Nov 101 Prognoserat 19 Nov-21 Nov 100/100/095 90 Day Mean 18 Nov 085
V. Geomagnetiskt A-index
Observerad Afr/Ap 17 Nov 001/003 Förväntat Afr/Ap 18 Nov 005/005 Prognoserat Afr/Ap 19 Nov-21 Nov 005/005-007/007-012/012
VI. Chanser för geomagnetisk aktivitet från 19 Nov till 21 Nov
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 15% | 25% |
| Små stormförhållanden | 05% | 05% | 15% |
| Svåra stormförhållanden | 01% | 01% | 10% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 20% | 30% |
| Små stormförhållanden | 05% | 10% | 15% |
| Svåra stormförhållanden | 01% | 05% | 10% |
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