Viewing archive of onsdag, 9 april 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 Apr 09 2203 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 100 publicerat klockan 2200Z på 09 Apr 2008IA. Analys av solfläcksgrupper och solaktivitet från 08-2100Z till 09-2100Z Solar activity was very low. A CME from beyond the SW
limb was first observed on SOHO/LASCO imagery at 09/1026Z. This CME
appears to be back-sided and is not expected to be geoeffective. The
visible disk remains spotless.
IB. Prognos för solaktivitet
Solar activity is expected to be very
low.
IIA. Sammanfattning av geofysisk aktivitet 08-2100Z till 09-2100Z
The geomagnetic field ranged from quiet to active conditions. Solar
wind velocities, observed on the ACE satellite, remained at elevated
levels due to the continued high speed stream. Velocities ranged
from 635 km/sec to 778 km/sec during the past 24 hours, while the
IMF Bz fluctuated between 4.2 nT to -3.6 nT. The greater than 2 MeV
electron flux at geosynchronous orbit reached high levels again
today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet to unsettled with isolated active levels at
mid-latitudes and isolated minor to major storm conditions at high
latitudes for day one (10 April), due to persistent effects from the
high speed stream. Conditions should return to quiet to unsettled
levels for day two (11 April) as the influence of the high speed
stream is expected to wane. Conditions should be predominantly quiet
on day three (12 April).
III. Chans för solutbrott från 10 Apr till 12 Apr
| M-klass | 01% | 01% | 01% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 09 Apr 068 Prognoserat 10 Apr-12 Apr 070/070/070 90 Day Mean 09 Apr 072
V. Geomagnetiskt A-index
Observerad Afr/Ap 08 Apr 006/009 Förväntat Afr/Ap 09 Apr 009/012 Prognoserat Afr/Ap 10 Apr-12 Apr 010/010-007/008-005/005
VI. Chanser för geomagnetisk aktivitet från 10 Apr till 12 Apr
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 15% | 10% |
| Små stormförhållanden | 05% | 01% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 25% | 15% |
| Små stormförhållanden | 15% | 10% | 05% |
| Svåra stormförhållanden | 10% | 05% | 01% |
All times in UTC
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