Viewing archive of fredag, 1 april 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 Apr 01 2210 UTC# Prepared jointly by the U.S. Dept. of Commerce, NOAA, #Space Environment Center and the U.S. Air Force. #
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 091 publicerat klockan 2200Z på 01 Apr 2005IA. Analys av solfläcksgrupper och solaktivitet från 31-2100Z till 01-2100Z Solar activity was at very low levels today. Region
747 (S09E10) underwent growth this period in sunspot area and
magnetic complexity. Region 748 (N09E46) is a single HSX alpha spot
group. No new regions were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at
very low levels.
IIA. Sammanfattning av geofysisk aktivitet 31-2100Z till 01-2100Z
The geomagnetic field was at predominantly quiet to unsettled levels.
A brief period of active conditions were observed at the high
latitudes in conjunction with a sustained southward Bz occurring
between 01/0600 and 0900Z. The greater than 2 MeV electron flux at
geosynchronous orbit reached high levels today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at unsettled to active levels throughout the period
due to a recurrent coronal hole high speed stream. Isolated minor
storm conditions may be possible on 3 and 4 April.
III. Chans för solutbrott från 02 Apr till 04 Apr
| M-klass | 01% | 01% | 01% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 01 Apr 078 Prognoserat 02 Apr-04 Apr 080/080/085 90 Day Mean 01 Apr 096
V. Geomagnetiskt A-index
Observerad Afr/Ap 31 Mar 005/009 Förväntat Afr/Ap 01 Apr 007/010 Prognoserat Afr/Ap 02 Apr-04 Apr 015/015-015/025-020/035
VI. Chanser för geomagnetisk aktivitet från 02 Apr till 04 Apr
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 30% | 35% |
| Små stormförhållanden | 10% | 10% | 20% |
| Svåra stormförhållanden | 05% | 05% | 15% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 40% | 40% |
| Små stormförhållanden | 10% | 20% | 35% |
| Svåra stormförhållanden | 05% | 10% | 20% |
All times in UTC
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