Viewing archive of torsdag, 13 september 2012
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 2012 Sep 13 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 257 publicerat klockan 2200Z på 13 Sep 2012IA. Analys av solfläcksgrupper och solaktivitet från 12-2100Z till 13-2100Z Solar activity was low. Region 1564 (S11, L=072), which
rotated around the west limb yesterday, produced the largest event,
a long duration C2 event at 13/0508Z. Region 1569 (S13E27) increased
in magnetic complexity and is now considered a beta-gamma type
group. A filament eruption occurred near N22W20 at approximately
05/0640Z. The associated CME had an estimated speed of 536 km/s.
IB. Prognos för solaktivitet
Solar activity is expected to be low
with a slight chance for M-class flares for the next three days
(14-16 September), mainly from Region 1569.
IIA. Sammanfattning av geofysisk aktivitet 12-2100Z till 13-2100Z
The geomagnetic field was mostly quiet with an isolated unsettled
period observed from 13/0000-0300Z. Solar wind speeds increased from
approximately 290 km/s to 400 km/s due to the effects of a weak
coronal hole high speed stream (CH HSS).
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet on day one (14 September). Quiet to unsettled
conditions are expected on day two (15 September) due to effects
from another CH HSS. Activity is expected to increase to unsettled
levels on day three (16 September) with a chance for active periods
due the arrival of the CME associated with todays filament
eruption.
III. Chans för solutbrott från 14 Sep till 16 Sep
| M-klass | 20% | 20% | 20% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observerad 13 Sep 099 Prognoserat 14 Sep-16 Sep 100/100/095 90 Day Mean 13 Sep 123
V. Geomagnetiskt A-index
Observerad Afr/Ap 12 Sep 005/006 Förväntat Afr/Ap 13 Sep 005/006 Prognoserat Afr/Ap 14 Sep-16 Sep 005/005-009/010-011/012
VI. Chanser för geomagnetisk aktivitet från 14 Sep till 16 Sep
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 10% | 30% |
| Små stormförhållanden | 01% | 01% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 15% | 20% |
| Små stormförhållanden | 15% | 15% | 30% |
| Svåra stormförhållanden | 10% | 10% | 30% |
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