Viewing archive of tisdag, 31 maj 2005
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 2005 May 31 2210 UTC# Prepared jointly by the U.S. Dept. of Commerce, NOAA, #Space Environment Center and the U.S. Air Force. #
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 151 publicerat klockan 2200Z på 31 May 2005IA. Analys av solfläcksgrupper och solaktivitet från 30-2100Z till 31-2100Z Solar activity was low. Region 770 (N12W27), a
seemingly simple spot group, had the one C-class flare of the day.
It produced a C2/Sf at 1442UTC with associated type II sweep. It has
been quiet since that event. One new region, Region 772 (S18E50) was
numbered, making a total of five spotted regions visible.
IB. Prognos för solaktivitet
Solar activity is expected to persist
at the low level.
IIA. Sammanfattning av geofysisk aktivitet 30-2100Z till 31-2100Z
The geomagnetic field was unsettled to active. Yesterday's storm
conditions have passed and the field has returned to more normal
conditions. Energetic electrons at geosynchronous orbit attained
high levels during the past 24 hours.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be generally unsettled. There is a slight chance of a
small disturbance later in the period from a possible CME associated
with the C2/Sf with type II that occurred today.
III. Chans för solutbrott från 01 Jun till 03 Jun
| M-klass | 10% | 10% | 10% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 31 May 096 Prognoserat 01 Jun-03 Jun 095/095/095 90 Day Mean 31 May 092
V. Geomagnetiskt A-index
Observerad Afr/Ap 30 May 032/067 Förväntat Afr/Ap 31 May 015/018 Prognoserat Afr/Ap 01 Jun-03 Jun 010/015-010/012-010/018
VI. Chanser för geomagnetisk aktivitet från 01 Jun till 03 Jun
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 25% | 25% |
| Små stormförhållanden | 10% | 10% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 30% | 30% |
| Små stormförhållanden | 10% | 10% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
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