Viewing archive of lördag, 1 mars 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 Mar 01 2203 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 061 publicerat klockan 2200Z på 01 Mar 2008IA. Analys av solfläcksgrupper och solaktivitet från 29-2100Z till 01-2100Z Solar activity was very low. No flares occurred during
the past 24 hours and the solar disk was spotless.
IB. Prognos för solaktivitet
Solar activity is expected to be very
low.
IIA. Sammanfattning av geofysisk aktivitet 29-2100Z till 01-2100Z
The geomagnetic field ranged from unsettled to minor storm levels.
Minor storm levels predominated from 29/2100-01/0300Z due to a high
speed stream with solar wind speeds in the 700-800 km/s range and an
interval of mostly negative Bz (values were mostly in the range from
-6 nT to +2 nT). Unsettled to active levels followed through
01/0900Z as Bz slowly shifted to a less negative orientation.
Activity was predominantly unsettled from 0900Z to the end of the
period. Solar wind speeds remain elevated (700-800 km/s) as of
forecast issue time but Bz has moderated with values ranging between
-3 to +3 nT. The greater than 2 MeV electron flux at geosynchronous
orbit was high.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mostly unsettled with a chance for isolated active
periods for the first day (02 March) due to persistent effects from
the high speed stream. Conditions should decline to quiet to
unsettled levels for the second day (03 March) as influence of the
high speed stream is expected to wane. Conditions should be
predominantly quiet by the third day (04 March).
III. Chans för solutbrott från 02 Mar till 04 Mar
| M-klass | 01% | 01% | 01% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observerad 01 Mar 069 Prognoserat 02 Mar-04 Mar 070/070/070 90 Day Mean 01 Mar 075
V. Geomagnetiskt A-index
Observerad Afr/Ap 29 Feb 018/027 Förväntat Afr/Ap 01 Mar 018/030 Prognoserat Afr/Ap 02 Mar-04 Mar 012/015-008/008-005/005
VI. Chanser för geomagnetisk aktivitet från 02 Mar till 04 Mar
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 50% | 30% | 15% |
| Små stormförhållanden | 20% | 10% | 05% |
| Svåra stormförhållanden | 05% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 30% | 15% |
| Små stormförhållanden | 35% | 20% | 05% |
| Svåra stormförhållanden | 10% | 05% | 01% |
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