Viewing archive of tisdag, 28 december 2004
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 2004 Dec 28 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 363 publicerat klockan 2200Z på 28 Dec 2004IA. Analys av solfläcksgrupper och solaktivitet från 27-2100Z till 28-2100Z Solar activity increased to low levels today. The
plage field in Region 713 (S09W78) showed a significant increase in
coverage along with the production of multiple C-class flares today,
the largest was a C7/1f event that occurred at 28/0010Z. An
increase in the sunspot area and an increase in the magnetic
complexity were observed this period. Region 715 (N04E74) began to
rotate into view and was numbered today. It is already exhibiting a
large asymmetrical sunspot. This region was responsible for the
C7/Sf event that occurred at 28/1801Z.
IB. Prognos för solaktivitet
Solar activity is expected to be at
low levels.
IIA. Sammanfattning av geofysisk aktivitet 27-2100Z till 28-2100Z
The geomagnetic field was at predominantly quiet to unsettled levels.
An isolated active period was observed between 28/1800 and 2100Z,
likely due to a sustained southward Bz which was observed by the ACE
spacecraft.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at predominantly quiet to unsettled levels throughout
the period.
III. Chans för solutbrott från 29 Dec till 31 Dec
| M-klass | 15% | 10% | 10% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 28 Dec 105 Prognoserat 29 Dec-31 Dec 110/115/115 90 Day Mean 28 Dec 104
V. Geomagnetiskt A-index
Observerad Afr/Ap 27 Dec 006/007 Förväntat Afr/Ap 28 Dec 007/010 Prognoserat Afr/Ap 29 Dec-31 Dec 005/008-006/008-004/008
VI. Chanser för geomagnetisk aktivitet från 29 Dec till 31 Dec
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 15% | 15% |
| Små stormförhållanden | 01% | 01% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 20% |
| Små stormförhållanden | 05% | 05% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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