Viewing archive of onsdag, 12 februari 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 Feb 12 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 043 publicerat klockan 2200Z på 12 Feb 2003IA. Analys av solfläcksgrupper och solaktivitet från 11-2100Z till 12-2100Z Solar activity remained at low levels. The most
significant activity during the period was a C8.7/1f that occurred
at 12/0151Z from Region 280 (S06W55). A Type II radio sweep was
associated with this event that had an estimated shock velocity of
632 km/s. LASCO imagery depicted a narrow CME and further analysis
indicates there is little chance of it becoming geoeffective.
Region 282 (N10W32) contributed to the day's activity with lesser B
and C-class flare activity. Few changes were observed in the
remaining small and magnetically simple regions. No new regions
were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at
low levels.
IIA. Sammanfattning av geofysisk aktivitet 11-2100Z till 12-2100Z
The geomagnetic field was at quiet to unsettled levels. A single
isolated active period was observed at higher latitudes between
12/1500 to 1800Z. The greater than 2 MeV electron fluxes at
geosynchronous orbit reached high levels again today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet to unsettled. Day three may experience
isolated active periods due to an anticipated favorably positioned
transequatorial coronal hole.
III. Chans för solutbrott från 13 Feb till 15 Feb
| M-klass | 15% | 15% | 15% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 12 Feb 132 Prognoserat 13 Feb-15 Feb 130/130/130 90 Day Mean 12 Feb 150
V. Geomagnetiskt A-index
Observerad Afr/Ap 11 Feb 007/012 Förväntat Afr/Ap 12 Feb 008/010 Prognoserat Afr/Ap 13 Feb-15 Feb 006/012-006/012-010/015
VI. Chanser för geomagnetisk aktivitet från 13 Feb till 15 Feb
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 15% | 20% |
| Små stormförhållanden | 01% | 01% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 30% |
| Små stormförhållanden | 05% | 05% | 10% |
| Svåra stormförhållanden | 01% | 01% | 05% |
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