Viewing archive of söndag, 15 december 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 Dec 15 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 349 publicerat klockan 2200Z på 15 Dec 2002IA. Analys av solfläcksgrupper och solaktivitet från 14-2100Z till 15-2100Z Solar activity was low. Numerous C-class events
occurred, with Region 226 (S28E25) being the most frequent source of
flare activity. However, Region 227 (N06E08) appeared in available
H-alpha and SOHO-EIT imagery to have been the source of the largest
event of the period, associated with an impulsive C5.9 x-ray
enhancement at 15/1804 UTC. Several other regions produced C-class
optical flares, including the closely spaced group of Regions
223/5/9 (collectively located near N20E45). Of these, Region 229
(N18E51) appears to be the largest and most complex. No new regions
were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be
predominantly low, with a chance for isolated moderate flare
activity during the next three days.
IIA. Sammanfattning av geofysisk aktivitet 14-2100Z till 15-2100Z
The geomagnetic field was quiet to unsettled. Weak coronal hole high
speed stream effects persisted through the period.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet to unsettled for the next two days. Isolated
active and minor storm conditions are possible on day three, in
response to expected recurrent coronal hole effects
III. Chans för solutbrott från 16 Dec till 18 Dec
| M-klass | 35% | 35% | 35% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 15 Dec 203 Prognoserat 16 Dec-18 Dec 195/200/200 90 Day Mean 15 Dec 165
V. Geomagnetiskt A-index
Observerad Afr/Ap 14 Dec 009/011 Förväntat Afr/Ap 15 Dec 007/010 Prognoserat Afr/Ap 16 Dec-18 Dec 010/010-010/010-015/015
VI. Chanser för geomagnetisk aktivitet från 16 Dec till 18 Dec
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 15% | 25% |
| Små stormförhållanden | 01% | 01% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 20% | 35% |
| Små stormförhållanden | 01% | 05% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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