Viewing archive of tisdag, 22 december 2009
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 2009 Dec 22 2201 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 356 publicerat klockan 2200Z på 22 Dec 2009IA. Analys av solfläcksgrupper och solaktivitet från 21-2100Z till 22-2100Z Solar activity was low. Region 1036 (S27W58) produced a
C7/Sf flare at 22/0456Z associated with a Type II radio sweep
(estimated velocity 531 km/sec) and discrete frequency radio bursts,
the largest of which was 4900 sfu at 245 MHz. There was also a
faint, slow-moving partial-halo coronal mass ejection (CME)
associated with the flare (estimated velocity 300 km/sec). Region
1036 gradually decayed from a D-type to a B-type spot group during
the period. Additional isolated low-level C-class flares and
occasional B-class flares also occurred during the period. Region
1035 (N31W98) crossed the west limb early in the period. No new
regions were numbered.
IB. Prognos för solaktivitet
Solar activity is expected to be low
during days 1 - 2 (23 - 24 December) with a slight chance for an
isolated M-class flare. Activity is expected to drop to very low
levels on day 3 (25 December) as Region 1036 departs the west limb.
IIA. Sammanfattning av geofysisk aktivitet 21-2100Z till 22-2100Z
Geomagnetic field activity was at quiet levels.
IIB. Prognos för geofysisk aktivitet
Geomagnetic field activity is
expected to be at quiet levels through the period (23 - 25
December). The CME mentioned above is not expected to significantly
disturb the field.
III. Chans för solutbrott från 23 Dec till 25 Dec
| M-klass | 10% | 10% | 05% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observerad 22 Dec 082 Prognoserat 23 Dec-25 Dec 078/076/074 90 Day Mean 22 Dec 074
V. Geomagnetiskt A-index
Observerad Afr/Ap 21 Dec 001/001 Förväntat Afr/Ap 22 Dec 001/005 Prognoserat Afr/Ap 23 Dec-25 Dec 005/005-005/005-005/005
VI. Chanser för geomagnetisk aktivitet från 23 Dec till 25 Dec
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 05% | 05% |
| Små stormförhållanden | 01% | 01% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 05% | 05% |
| Små stormförhållanden | 01% | 01% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
All times in UTC
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