Viewing archive of onsdag, 8 juni 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 Jun 08 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 159 publicerat klockan 2200Z på 08 Jun 2005

IA. Analys av solfläcksgrupper och solaktivitet från 07-2100Z till 08-2100Z

Solar activity was at low levels. Region 776 (S06E33) produced multiple B and C-class flares today. The largest was a C2 x-ray flare that occurred at 08/0625Z. There was some visible growth seen in sunspot area. Region 775 (N10E21) underwent growth in two of the satellite sunspots which now appear to be attached to the dominant central sunspot. Magnetic analysis indicates this region to have beta-gamma-delta characteristics. Region 772 (S18W58) was limited to minor B-class flare production while showing a slight growth in sunspot area. A partial halo CME was observed on LASCO imagery beginning at 08/0512Z which is slow moving and appears to have an Earth directed component. The source for the activity appears to be related to a disappearing solar filament just to the northwest of Region 772. The remaining active regions were quiescent during the period. No new regions were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at low levels. Regions 775 and 776 both have the potential of producing isolated M-class flares.
IIA. Sammanfattning av geofysisk aktivitet 07-2100Z till 08-2100Z
The geomagnetic field was at quiet to unsettled levels. The greater than 2 MeV electron flux at geosynchronous orbit reached high levels today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is expected to be at quiet to unsettled levels throughout the period. There is a slight chance that the effects of the partial halo CME that occurred today could begin to be felt late on day three (11 July).
III. Chans för solutbrott från 09 Jun till 11 Jun
M-klass25%25%25%
X-klass05%05%05%
Proton05%05%05%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observerad       08 Jun 116
  Prognoserat   09 Jun-11 Jun  115/115/110
  90 Day Mean        08 Jun 094
V. Geomagnetiskt A-index
  Observerad Afr/Ap 07 Jun  011/018
  Förväntat     Afr/Ap 08 Jun  005/007
  Prognoserat    Afr/Ap 09 Jun-11 Jun  006/008-006/008-010/008
VI. Chanser för geomagnetisk aktivitet från 09 Jun till 11 Jun
A. Medelhöga breddgrader
Aktivt15%15%25%
Små stormförhållanden05%05%10%
Svåra stormförhållanden01%01%05%
B. Höga breddgrader
Aktivt20%20%25%
Små stormförhållanden05%05%10%
Svåra stormförhållanden01%01%05%

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