Viewing archive of fredag, 8 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 08 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 098 publicerat klockan 2200Z på 08 Apr 2011IA. Analys av solfläcksgrupper och solaktivitet från 07-2100Z till 08-2100Z Solar activity was at very low levels. Region 1185
(N20E14) produced a B7/Sf flare at 08/1824Z. Region 1185 was
redefined to detach two separate spot groups: Region 1185 and new
Region 1189 (N23E11). Region 1185 is now configured as a Cso group
with a beta magnetic configuration with 14 spots. New Region 1189
was numbered as a Dso group with a beta magnetic configuration with
6 spots. Region 1188 (S25W06) was numbered as a Cro group with a
beta magnetic configuration with 3 spots. Region 1187 (S18E50)
increased to a Cso group with 4 spots. Region 1183 (N14, L=140)
rotated off the limb. A back-sided full-halo CME was observed on
SOHO/LASCO C3 imagery at 07/2342Z.
IB. Prognos för solaktivitet
Solar activity is expected to be at
very low to low levels for the next three days (09-11 April).
IIA. Sammanfattning av geofysisk aktivitet 07-2100Z till 08-2100Z
The geomagnetic field was predominantly quiet, with isolated
unsettled levels.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at quiet to unsettled levels, with active levels at
high latitudes on day one (09 April). Quiet to unsettled levels are
expected, with isolated active levels at mid latitudes and minor
storm levels at high latitudes, on days two and three (10-11 April).
The increase in activity is due to a coronal hole high-speed stream.
III. Chans för solutbrott från 09 Apr till 11 Apr
| M-klass | 05% | 05% | 05% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 08 Apr 109 Prognoserat 09 Apr-11 Apr 100/095/100 90 Day Mean 08 Apr 100
V. Geomagnetiskt A-index
Observerad Afr/Ap 07 Apr 004/006 Förväntat Afr/Ap 08 Apr 005/005 Prognoserat Afr/Ap 09 Apr-11 Apr 008/008-010/010-010/010
VI. Chanser för geomagnetisk aktivitet från 09 Apr till 11 Apr
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 35% | 35% |
| Små stormförhållanden | 01% | 10% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 40% | 40% |
| Små stormförhållanden | 05% | 15% | 10% |
| Svåra stormförhållanden | 01% | 05% | 05% |
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