Viewing archive of måndag, 9 april 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 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 2001IA. Analys av solfläcksgrupper och solaktivitet från 08-2100Z till 09-2100Z Solar activity increased to high levels. Region 9415
(S22W07) produced an M7/2B flare at 09/1534 UTC associated with a
1600 SFU Tenflare, Type II and IV radio sweeps, and a full-halo CME.
Region 9415 remained a large, magnetically complex group with a
strong, persistent magnetic delta configuration within the large
leader spot. The remaining regions were simply-structured and showed
no significant changes. New Region 9425 (S25W26) was numbered.
IB. Prognos för solaktivitet
Solar activity is expected to be at
moderate to high levels. Region 9415 could produce another major
flare during the period.
IIA. Sammanfattning av geofysisk aktivitet 08-2100Z till 09-2100Z
Geomagnetic field activity ranged from quiet to minor storm levels as
CME effects gradually subsided. The greater than 10 MeV proton flux
began to rise after today's major flare and was gradually increasing
as the period ended. A greater than 100 MeV proton flux enhancement
also followed the flare, but did not reach event levels.
IIB. Prognos för geofysisk aktivitet
Geomagnetic field activity is
expected to decrease to quiet to unsettled levels on 10 April. The
CME associated with today's flare is expected to reach Earth during
the early hours of 11 April. Active to major storm levels will be
possible during 11 - 12 April as the CME passes Earth. The greater
than 10 MeV proton flux may increase to event levels early on 10
April.
III. Chans för solutbrott från 10 Apr till 12 Apr
| M-klass | 80% | 80% | 80% |
| X-klass | 25% | 25% | 25% |
| Proton | 70% | 25% | 25% |
| PCAF | yellow | ||
IV. Penticton 10.7 cm Flux
Observerad 09 Apr 165 Prognoserat 10 Apr-12 Apr 165/160/160 90 Day Mean 09 Apr 167
V. Geomagnetiskt A-index
Observerad Afr/Ap 08 Apr 033/041 Förväntat Afr/Ap 09 Apr 018/025 Prognoserat Afr/Ap 10 Apr-12 Apr 012/015-030/035-025/025
VI. Chanser för geomagnetisk aktivitet från 10 Apr till 12 Apr
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 30% | 40% |
| Små stormförhållanden | 10% | 30% | 20% |
| Svåra stormförhållanden | 05% | 25% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 20% | 40% |
| Små stormförhållanden | 15% | 35% | 15% |
| Svåra stormförhållanden | 05% | 20% | 10% |
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