Viewing archive of onsdag, 13 december 2006
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 2006 Dec 13 2245 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 347 publicerat klockan 2200Z på 13 Dec 2006IA. Analys av solfläcksgrupper och solaktivitet från 12-2100Z till 13-2100Z Solar activity was high. Region 930 (S05W33) produced
an X3.4/4B flare with a 44000 sfu 10 cm radio burst at 13/0240 UTC.
Type II (1534 km/s) and Type IV radio sweeps were associated with
this event, as well as a fast moving CME (estimated plane of sky
speed of 1500 km/s). Region 930 has a strong delta configuration in
the southern penumbral area of the leader spot.
IB. Prognos för solaktivitet
Solar activity is expected to reach
moderate to high levels. Isolated X-class flares are possible from
Region 930.
IIA. Sammanfattning av geofysisk aktivitet 12-2100Z till 13-2100Z
The geomagnetic field was at quiet to active levels for the last 24
hours. A greater than 100 MeV proton event started at 13/0245 UTC,
and reached a maximum of 88.7 pfu at 13/0525 UTC. A greater than 10
MeV proton event started at 13/0250 UTC, and reached a maximum of
698 pfu at 13/0925 UTC. These events are associated with the X3
event from Region 930. 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 reach major to severe storm levels. Activity from the
CME observed early on 13 December is expected to impact the
geomagnetic field by mid to late UTC on day 1 (14 December) of the
forecast period. Major to severe storm conditions are expected to
continue early into 15 December. Levels should decrease to unsettled
to minor storming by 16 December. The greater than 100 MeV and 10
MeV proton events now in progress are expected to continue for the
next 24 to 48 hours.
III. Chans för solutbrott från 14 Dec till 16 Dec
| M-klass | 60% | 60% | 60% |
| X-klass | 35% | 35% | 35% |
| Proton | 99% | 99% | 75% |
| PCAF | in progress | ||
IV. Penticton 10.7 cm Flux
Observerad 13 Dec 094 Prognoserat 14 Dec-16 Dec 095/095/095 90 Day Mean 13 Dec 081
V. Geomagnetiskt A-index
Observerad Afr/Ap 12 Dec 015/026 Förväntat Afr/Ap 13 Dec 008/010 Prognoserat Afr/Ap 14 Dec-16 Dec 065/130-050/100-012/020
VI. Chanser för geomagnetisk aktivitet från 14 Dec till 16 Dec
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 10% | 30% |
| Små stormförhållanden | 25% | 25% | 15% |
| Svåra stormförhållanden | 55% | 45% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 15% | 30% |
| Små stormförhållanden | 20% | 20% | 25% |
| Svåra stormförhållanden | 65% | 55% | 15% |
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