Viewing archive of söndag, 9 maj 2010
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 2010 May 09 2201 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 129 publicerat klockan 2200Z på 09 May 2010IA. Analys av solfläcksgrupper och solaktivitet från 08-2100Z till 09-2100Z Solar activity was very low. The visible disk was
spotless. Region 1069 (N41W89) produced the only activity of the
period, a long duration, B1.3 x-ray event at 09/1541Z. A slow
moving CME (estimated velocity 225 km/s) was observed early in the
period lifting off the NW limb in the vicinity of Region 1069. The
CME did not appear to be Earth-directed.
IB. Prognos för solaktivitet
Solar activity is expected to be very
low, with a slight chance of C-class activity on day one (10 May)
from departing Region 1069. On days two and three (11 - 12 May),
solar activity is expected to be very low.
IIA. Sammanfattning av geofysisk aktivitet 08-2100Z till 09-2100Z
The geomagnetic field was quiet. Solar wind velocities declined
steadily from 452 km/s to 375 km/s through the period. The greater
than 2 MeV electron flux at geosynchronous orbit reached high levels
during the period.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet during day one (10 May) of the forecast period.
The field is expected to increase to quiet to unsettled, with a
slight chance for isolated active conditions, on days two and three
(11 - 12 May) due to recurrent co-rotating interaction
regions/coronal hole high speed wind streams.
III. Chans för solutbrott från 10 May till 12 May
| M-klass | 01% | 01% | 01% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 09 May 075 Prognoserat 10 May-12 May 075/075/075 90 Day Mean 09 May 081
V. Geomagnetiskt A-index
Observerad Afr/Ap 08 May 004/006 Förväntat Afr/Ap 09 May 003/005 Prognoserat Afr/Ap 10 May-12 May 005/005-008/008-007/008
VI. Chanser för geomagnetisk aktivitet från 10 May till 12 May
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 25% | 20% |
| Små stormförhållanden | 01% | 05% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 05% | 30% | 30% |
| Små stormförhållanden | 01% | 10% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
All times in UTC
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