Viewing archive of tisdag, 14 augusti 2001
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 2001 Aug 14 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 226 publicerat klockan 2200Z på 14 Aug 2001IA. Analys av solfläcksgrupper och solaktivitet från 13-2100Z till 14-2100Z Solar activity was low, with the largest event being an
impulsive C9 flare, associated with an eruptive prominence on the
east limb near N40, at 14/0944 UTC. There was also a long duration
C2 event, with associations to a disappearing filament near N26W10,
as well as a sympathetic subfaint flare in spotless plage Region
9577 (N16W36), at 14/1242 UTC. A full halo CME was evident in
SOHO/LASCO imagery following this event. Two new regions were
numbered today: 9579 (S17W10) and 9580 (N24E73).
IB. Prognos för solaktivitet
Solar activity is expected to be
predominantly low, with an isolated chance for moderate flare
activity from Region 9574 (S04W61), or from closely spaced regions
9570 (S10W47) and 9578 (S08W38).
IIA. Sammanfattning av geofysisk aktivitet 13-2100Z till 14-2100Z
The geomagnetic field was quiet to active, under the continuing
influence of weak high speed stream effects from a coronal hole.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mainly quiet to unsettled for the first two days.
Isolated active conditions are possible during the first day, as the
weak coronal hole effects wane. By day three, active to minor storm
conditions, with isolated major storm periods, are possible due to
the expected shock arrival from the CME activity described above in
section 1A.
III. Chans för solutbrott från 15 Aug till 17 Aug
| M-klass | 30% | 30% | 30% |
| X-klass | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 14 Aug 147 Prognoserat 15 Aug-17 Aug 145/145/140 90 Day Mean 14 Aug 151
V. Geomagnetiskt A-index
Observerad Afr/Ap 13 Aug 015/019 Förväntat Afr/Ap 14 Aug 012/013 Prognoserat Afr/Ap 15 Aug-17 Aug 012/012-015/015-025/025
VI. Chanser för geomagnetisk aktivitet från 15 Aug till 17 Aug
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 25% | 35% |
| Små stormförhållanden | 10% | 15% | 20% |
| Svåra stormförhållanden | 01% | 05% | 10% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 30% | 40% |
| Små stormförhållanden | 15% | 15% | 25% |
| Svåra stormförhållanden | 05% | 05% | 10% |
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