Viewing archive of onsdag, 11 september 2002
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 2002 Sep 11 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 254 publicerat klockan 2200Z på 11 Sep 2002IA. Analys av solfläcksgrupper och solaktivitet från 10-2100Z till 11-2100Z Solar activity has been moderate. Region 105 (S09E28)
produced the largest event of the period, an M2/2b flare at 11/0735
UTC with an associated tenflare (230 sfu). Region 107 (N11E30) was
a source of several C-class flares during the period, and Region 100
(S19W64) also produced a C-class flare. Region 103 (N14W33) has
remained quiescent, but appears somewhat more compact today and
retains moderate magnetic complexity.
IB. Prognos för solaktivitet
Solar activity is expected to be at
moderate levels for the next three days. Region 105 is a likely
source of further M-class activity. Regions 103 and 107 may become
more active during the period and could produce M-class flares as
well.
IIA. Sammanfattning av geofysisk aktivitet 10-2100Z till 11-2100Z
Geomagnetic field conditions have ranged from quiet to major storm
levels. Onset of coronal hole high speed stream effects have been
evident since about 11/0900 UTC, and the single period of major
storm conditions observed at higher latitudes occurred shortly
thereafter. The remainder of the day had conditions in the
unsettled to minor storm range.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mainly unsettled to active for the next 24-48 hours.
Isolated minor storm conditions may also occur, especially at higher
latitudes. Conditions are expected to be in the quiet to unsettled
range by the end of the forecast period.
III. Chans för solutbrott från 12 Sep till 14 Sep
| M-klass | 65% | 65% | 65% |
| X-klass | 10% | 10% | 10% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 11 Sep 216 Prognoserat 12 Sep-14 Sep 220/220/225 90 Day Mean 11 Sep 173
V. Geomagnetiskt A-index
Observerad Afr/Ap 10 Sep 014/024 Förväntat Afr/Ap 11 Sep 020/025 Prognoserat Afr/Ap 12 Sep-14 Sep 018/018-015/018-012/015
VI. Chanser för geomagnetisk aktivitet från 12 Sep till 14 Sep
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 30% | 25% |
| Små stormförhållanden | 10% | 10% | 05% |
| Svåra stormförhållanden | 05% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 35% | 30% |
| Små stormförhållanden | 15% | 15% | 10% |
| Svåra stormförhållanden | 05% | 05% | 01% |
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