Viewing archive of måndag, 5 september 2005
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 2005 Sep 05 2204 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 248 publicerat klockan 2200Z på 05 Sep 2005IA. Analys av solfläcksgrupper och solaktivitet från 04-2100Z till 05-2100Z Solar activity was low. A long duration C2 flare and
Type IV radio sweep occurred at 05/1041Z. A large and fast CME (2000
km/s) observed off the southeast limb, was also associated with this
event. The likely source of this flare was old active Region 798
(S09, L=217), which is due to rotate onto the visible disk on 07
Sep. Old Region 798 produced a proton flare during the latter stages
of its last transit across the visible disk (22-24 Aug), and was
responsible for a severe geomagnetic storm. Region 805 (S11W44), the
only region with sunspots on the visible disk, was quiet and stable.
IB. Prognos för solaktivitet
Solar activity is expected to be low
on 06 Sep, but is expected to increase to at least moderate levels
on 07 and 08 Sep as old active Region 798 rotates onto the visible
disk.
IIA. Sammanfattning av geofysisk aktivitet 04-2100Z till 05-2100Z
The geomagnetic field was quiet to active. Solar wind was elevated,
but declined from 650 km/s to near 450 km/s by the end the period.
The greater the 2 MeV electron flux at geosynchronous orbit was at
high levels again today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet to unsettled with isolated active periods. The
large CME observed off the southeast limb this period is not
expected to be geoeffective.
III. Chans för solutbrott från 06 Sep till 08 Sep
| M-klass | 10% | 25% | 35% |
| X-klass | 01% | 05% | 10% |
| Proton | 01% | 05% | 05% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observerad 05 Sep 075 Prognoserat 06 Sep-08 Sep 080/090/100 90 Day Mean 05 Sep 092
V. Geomagnetiskt A-index
Observerad Afr/Ap 04 Sep 018/026 Förväntat Afr/Ap 05 Sep 015/015 Prognoserat Afr/Ap 06 Sep-08 Sep 010/010-005/005-005/005
VI. Chanser för geomagnetisk aktivitet från 06 Sep till 08 Sep
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 15% | 15% |
| Små stormförhållanden | 10% | 05% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 20% | 20% |
| Små stormförhållanden | 15% | 10% | 10% |
| Svåra stormförhållanden | 05% | 01% | 01% |
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Rymdvädersfakta
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