Viewing archive of tisdag, 5 juli 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 Jul 05 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 186 publicerat klockan 2200Z på 05 Jul 2005

IA. Analys av solfläcksgrupper och solaktivitet från 04-2100Z till 05-2100Z

Solar activity was low. Region 788 (S06E32) produced a C1/Sf flare with an observed optical Y-shaped ribbon at 05/1526 UTC. This event had an associated partial halo CME which was first observed in the LASCO imagery at 05/1530 UTC. There were two other CME's observed by LASCO imagery during the last 24 hours. One was at 04/2130 UTC and the second was observed at 05/0330 UTC. Both of these appear to be backside events and not Earth directed. Region 786 (N12E23) has lost its delta magnetic configuration and has decreased in total sunspot count. Region 783 (S03W22) has grown and is now around 530 millionths of white light area coverage and has developed a magnetic beta-gamma configuration. A 26 degree long filament disappeared from S22W22 between 05/0205-1220 UTC.
IB. Prognos för solaktivitet
Solar activity is expected to be low. Both Regions 783 and 786 are capable of producing and isolated M-class event.
IIA. Sammanfattning av geofysisk aktivitet 04-2100Z till 05-2100Z
The geomagnetic field was quiet.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is expected to be predominately quiet for 06-07 July. Quiet to unsettled conditions with isolated active periods are possible on 08 July due to the effects of the partial halo CME observed today.
III. Chans för solutbrott från 06 Jul till 08 Jul
M-klass45%45%45%
X-klass05%05%05%
Proton05%05%05%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observerad       05 Jul 127
  Prognoserat   06 Jul-08 Jul  130/125/120
  90 Day Mean        05 Jul 095
V. Geomagnetiskt A-index
  Observerad Afr/Ap 04 Jul  005/007
  Förväntat     Afr/Ap 05 Jul  005/006
  Prognoserat    Afr/Ap 06 Jul-08 Jul  005/007-005/007-010/012
VI. Chanser för geomagnetisk aktivitet från 06 Jul till 08 Jul
A. Medelhöga breddgrader
Aktivt10%10%15%
Små stormförhållanden05%05%10%
Svåra stormförhållanden01%01%05%
B. Höga breddgrader
Aktivt15%15%20%
Små stormförhållanden10%10%10%
Svåra stormförhållanden05%05%05%

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