Viewing archive of lördag, 25 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 25 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 237 publicerat klockan 2200Z på 25 Aug 2001IA. Analys av solfläcksgrupper och solaktivitet från 24-2100Z till 25-2100Z Solar activity has been high. Region 9591 (S19E32)
produced several M-class flares and an X5/3b event at 25/1645 UTC.
The event had an associated 8100 sfu tenflare and a Type II and Type
IV radio sweep. SOHO/LASCO images observed a well defined coronal
mass ejection with this event. This region continues to develop and
retains a large Fki beta-gamma-delta configuration. Region 9596
(N23E79) was numbered today. The observed Penticton 10.7 cm flux
for today may also be slightly enhanced as a result of the earlier
event.
IB. Prognos för solaktivitet
Solar activity is expected to be
moderate to high with Region 9591 producing M-class flares and a
chance for another major flare from this region.
IIA. Sammanfattning av geofysisk aktivitet 24-2100Z till 25-2100Z
The geomagnetic field has been quiet to active through the period.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be unsettled to active for 26 August due to possible
coronal hole affects. Active to minor storm conditions are expected
for 27 and 28 August as a result of the X-class event at 25/1645
UTC. A greater than 10 MeV proton event is also possible on 26
August from the activity today.
III. Chans för solutbrott från 26 Aug till 28 Aug
| M-klass | 75% | 75% | 75% |
| X-klass | 10% | 10% | 10% |
| Proton | 75% | 75% | 50% |
| PCAF | yellow | ||
IV. Penticton 10.7 cm Flux
Observerad 25 Aug 199 Prognoserat 26 Aug-28 Aug 190/195/200 90 Day Mean 25 Aug 152
V. Geomagnetiskt A-index
Observerad Afr/Ap 24 Aug 005/004 Förväntat Afr/Ap 25 Aug 008/007 Prognoserat Afr/Ap 26 Aug-28 Aug 015/015-035/035-030/030
VI. Chanser för geomagnetisk aktivitet från 26 Aug till 28 Aug
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 40% | 35% |
| Små stormförhållanden | 05% | 30% | 20% |
| Svåra stormförhållanden | 01% | 20% | 10% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 45% | 40% |
| Små stormförhållanden | 10% | 35% | 25% |
| Svåra stormförhållanden | 05% | 20% | 15% |
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Rymdvädersfakta
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