Viewing archive of tisdag, 1 februari 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 Feb 01 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 032 publicerat klockan 2200Z på 01 Feb 2005IA. Analys av solfläcksgrupper och solaktivitet från 31-2100Z till 01-2100Z Solar activity was very low. The two sunspot regions on
the visible disk, Regions 727 (S09W68) and 729 (S08E06), were quiet
and stable. A 9 degree filament erupted from near S15W16 at
01/0800Z, but there was no apparent CME on LASCO imagery. An
impressive backside full halo CME was observed on LASCO imagery at
01/1106Z. The likely source of this eruption was old Region 720
(N13, L=178), which is due to return to the visible disk on 05
February. A Type II radio sweep (660 km/s) and a 245 MHz burst of
9800 sfu were observed at 01/1032Z, and were likely associated with
this backside CME.
IB. Prognos för solaktivitet
Solar activity is expected to be very
low. The activity level is expected to increase after 05 February
when old Region 720 returns to the visible disk.
IIA. Sammanfattning av geofysisk aktivitet 31-2100Z till 01-2100Z
The geomagnetic field was quiet to unsettled. Solar wind speed
remains elevated, but gradually declined from near 620 km/s to 530
km/s to end the period. The greater than 2 MeV electron flux at
geosynchronous orbit was at high levels today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to continue at quiet to unsettled levels.
III. Chans för solutbrott från 02 Feb till 04 Feb
| M-klass | 05% | 05% | 05% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 01 Feb 084 Prognoserat 02 Feb-04 Feb 085/085/085 90 Day Mean 01 Feb 102
V. Geomagnetiskt A-index
Observerad Afr/Ap 31 Jan 015/019 Förväntat Afr/Ap 01 Feb 010/010 Prognoserat Afr/Ap 02 Feb-04 Feb 012/012-010/010-010/010
VI. Chanser för geomagnetisk aktivitet från 02 Feb till 04 Feb
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 20% | 20% |
| Små stormförhållanden | 05% | 05% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 25% | 25% |
| Små stormförhållanden | 10% | 10% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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