Viewing archive of söndag, 30 september 2007
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 2007 Sep 30 2203 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 273 publicerat klockan 2200Z på 30 Sep 2007IA. Analys av solfläcksgrupper och solaktivitet från 29-2100Z till 30-2100Z Solar activity was very low. No flares occurred during
the last 24 hours.
IB. Prognos för solaktivitet
Solar activity is expected to be very
low.
IIA. Sammanfattning av geofysisk aktivitet 29-2100Z till 30-2100Z
The geomagnetic field was quiet to active during the past 24 hours.
Unsettled to active conditions predominated from the start of the
day through 1200Z due to continued effects of a high speed stream.
However, a clear downward trend in solar wind speed began at about
0800Z and geomagnetic conditions were quiet from 1200Z through the
end of the period. The greater than 2 MeV electron flux at
geosynchronous orbit reached high levels during the past 24 hours.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet to unsettled for the next two days (01-02
October), and partway through the third day (03 October). However,
an increase to unsettled to active levels is expected around mid-day
on 03 October as a small coronal hole will be rotating into
geoeffective position at that time.
III. Chans för solutbrott från 01 Oct till 03 Oct
| M-klass | 01% | 01% | 01% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 30 Sep 065 Prognoserat 01 Oct-03 Oct 067/067/067 90 Day Mean 30 Sep 069
V. Geomagnetiskt A-index
Observerad Afr/Ap 29 Sep 024/026 Förväntat Afr/Ap 30 Sep 014/015 Prognoserat Afr/Ap 01 Oct-03 Oct 007/008-007/010-012/012
VI. Chanser för geomagnetisk aktivitet från 01 Oct till 03 Oct
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 10% | 30% |
| Små stormförhållanden | 05% | 05% | 15% |
| Svåra stormförhållanden | 01% | 01% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 10% | 30% |
| Små stormförhållanden | 05% | 05% | 15% |
| Svåra stormförhållanden | 01% | 01% | 05% |
All times in UTC
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