Viewing archive of lördag, 23 augusti 2003
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 2003 Aug 23 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 235 publicerat klockan 2200Z på 23 Aug 2003IA. Analys av solfläcksgrupper och solaktivitet från 22-2100Z till 23-2100Z Activity was at very low levels. Region 441 (N11E19)
produced a B6 flare at 23/0016Z. Region 441 has shown some growth
in area coverage during the past twenty-four hours. Region 436
(N07W12) remains relatively unchanged from yesterday. At around
23/0100Z a 15 degree solar filament lifted off at N09W47. New
Region 444 (N09E60) was numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at
very low to low levels. Regions 436 and 441 have the potential for
C-class flare and a slight chance for an isolated M-class flare.
IIA. Sammanfattning av geofysisk aktivitet 22-2100Z till 23-2100Z
The geomagnetic field ranged from unsettled to major storm levels.
Solar wind speed was near 775 km/s for most of the period and Bz was
predominantly southward with peak values near -6 nT. For a fifteen
hour period today, activity was at minor storm levels with one
period at major storm levels. The greater than 2 MeV electron flux
at geosynchronous orbit reached high levels today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at unsettled to minor storm levels. Active to minor
storm levels are expected on day one as coronal hole high speed
stream effects continue. By day two and day three high speed stream
effects should begin to diminish with unsettled to active levels
expected.
III. Chans för solutbrott från 24 Aug till 26 Aug
| M-klass | 15% | 15% | 20% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 23 Aug 120 Prognoserat 24 Aug-26 Aug 120/122/125 90 Day Mean 23 Aug 127
V. Geomagnetiskt A-index
Observerad Afr/Ap 22 Aug 025/043 Förväntat Afr/Ap 23 Aug 045/045 Prognoserat Afr/Ap 24 Aug-26 Aug 025/035-020/030-020/030
VI. Chanser för geomagnetisk aktivitet från 24 Aug till 26 Aug
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 50% | 50% | 50% |
| Små stormförhållanden | 30% | 25% | 25% |
| Svåra stormförhållanden | 05% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 45% | 45% |
| Små stormförhållanden | 45% | 40% | 40% |
| Svåra stormförhållanden | 20% | 15% | 15% |
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Rymdvädersfakta
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