Viewing archive of lördag, 9 april 2011
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 2011 Apr 09 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 099 publicerat klockan 2200Z på 09 Apr 2011IA. Analys av solfläcksgrupper och solaktivitet från 08-2100Z till 09-2100Z Solar activity was at low levels. A C1 flare was
observed from Region 1184 (N14W85) at 09/1545Z. Region 1185 (N18E15)
produced a B8/Sf flare at 09/0050Z. A partial-halo CME was observed
on SOHO/LASCO C2 imagery at 09/0024Z, with a speed of approximately
275 km/s. Region 1185 (N18E15) showed an increase in spots. No
regions were numbered.
IB. Prognos för solaktivitet
Solar activity is expected to be very
low with a chance for C-class flares for the next three days (10-12
April).
IIA. Sammanfattning av geofysisk aktivitet 08-2100Z till 09-2100Z
The geomagnetic field was at quiet to unsettled levels, with isolated
active levels at high latitudes.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at quiet to unsettled levels, with isolated active
levels at mid-latitudes and isolated minor storm levels at high
latitudes, for the next two days (10-11 April). The increase in
activity is due to a coronal hole high-speed stream. Activity is
expected to decrease to predominately quiet levels on day three (12
April). The partial-halo CME referenced in paragraph IA, is not
expected to be geoeffective.
III. Chans för solutbrott från 10 Apr till 12 Apr
| M-klass | 05% | 05% | 05% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 09 Apr 105 Prognoserat 10 Apr-12 Apr 100/095/100 90 Day Mean 09 Apr 100
V. Geomagnetiskt A-index
Observerad Afr/Ap 08 Apr 005/008 Förväntat Afr/Ap 09 Apr 008/010 Prognoserat Afr/Ap 10 Apr-12 Apr 012/012-010/012-005/005
VI. Chanser för geomagnetisk aktivitet från 10 Apr till 12 Apr
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 35% | 20% |
| Små stormförhållanden | 10% | 05% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 40% | 25% |
| Små stormförhållanden | 20% | 10% | 01% |
| Svåra stormförhållanden | 05% | 05% | 01% |
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