Viewing archive of måndag, 4 februari 2008
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 2008 Feb 04 2203 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 035 publicerat klockan 2200Z på 04 Feb 2008IA. Analys av solfläcksgrupper och solaktivitet från 03-2100Z till 04-2100Z Solar activity was very low. No flares occurred during
the past 24 hours. A weak, faint CME was observed in the STEREO-A
and STEREO-B COR2 coronagraphs beginning at 0923Z. The signature on
the ahead coronagraph gave the appearance of a limb event and the
signature on the behind spacecraft looked like a very faint halo
event. Associated disk signatures were clearly observed near S15E20
using the STEREO-B EUVI 195 images which showed an eruptive type of
event, likely the result of a filament eruption.
IB. Prognos för solaktivitet
Solar activity is expected to be very
low for the next three days (05-07 February).
IIA. Sammanfattning av geofysisk aktivitet 03-2100Z till 04-2100Z
The geomagnetic field was quiet to unsettled. Solar wind speed at ACE
shows a continuing downward trend as the influence of the high speed
stream is waning. The solar wind speed at forecast issue time was
around 500 km/s. The greater than 2 MeV electron flux at
geosynchronous orbit was high during the past 24 hours.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be predominantly quiet for the next three days (05-07
February).
III. Chans för solutbrott från 05 Feb till 07 Feb
| M-klass | 01% | 01% | 01% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 04 Feb 071 Prognoserat 05 Feb-07 Feb 070/070/070 90 Day Mean 04 Feb 075
V. Geomagnetiskt A-index
Observerad Afr/Ap 03 Feb 010/012 Förväntat Afr/Ap 04 Feb 010/010 Prognoserat Afr/Ap 05 Feb-07 Feb 005/005-005/005-005/005
VI. Chanser för geomagnetisk aktivitet från 05 Feb till 07 Feb
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 10% | 10% |
| Små stormförhållanden | 01% | 01% | 01% |
| Svåra stormförhållanden | 02% | 02% | 02% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 10% | 10% |
| Små stormförhållanden | 05% | 05% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
All times in UTC
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