Viewing archive of fredag, 11 maj 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 May 11 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 131 publicerat klockan 2200Z på 11 May 2001IA. Analys av solfläcksgrupper och solaktivitet från 10-2100Z till 11-2100Z Solar activity was low during the last 24 hours. Three
C-class flares occurred including a C1 at 0717 UTC, a C1/Sf from
newly assigned 9455 (S18E17) at 1006 UTC, and a C3 apparently from
9455 at 2022 UTC. New Region 9455 grew quickly on the disk to a
D-type sunspot group and appears to have a weak delta configuration.
Region 9454 (S18E17) continues to be the largest group on the disk
at 430 millionths. The group was not observed to produce any flares,
but did exhibit frequent plage fluctuations throughout the day. It
appears to have a simple beta magnetic configuration. An 18 degree
filament near S11E14 disappeared sometime between 0507 UTC and 1314
UTC.
IB. Prognos för solaktivitet
Solar activity is expected to be
mostly low, but there is a fair chance for an isolated M-class event
from either of Region 9454 or Region 9455.
IIA. Sammanfattning av geofysisk aktivitet 10-2100Z till 11-2100Z
The geomagnetic field has been quiet to unsettled during the past 24
hours. The greater than 2 MeV electron fluxes attained high levels
today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet to unsettled for the next three days.
III. Chans för solutbrott från 12 May till 14 May
| M-klass | 25% | 25% | 25% |
| X-klass | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 11 May 137 Prognoserat 12 May-14 May 140/145/150 90 Day Mean 11 May 167
V. Geomagnetiskt A-index
Observerad Afr/Ap 10 May 023/028 Förväntat Afr/Ap 11 May 008/008 Prognoserat Afr/Ap 12 May-14 May 007/008-007/009-007/009
VI. Chanser för geomagnetisk aktivitet från 12 May till 14 May
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 20% |
| Små stormförhållanden | 05% | 05% | 05% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 20% |
| Små stormförhållanden | 10% | 10% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
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