Viewing archive of lördag, 28 augusti 2004

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 2004 Aug 28 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 241 publicerat klockan 2200Z på 28 Aug 2004

IA. Analys av solfläcksgrupper och solaktivitet från 27-2100Z till 28-2100Z

Solar activity remained at very low levels. Flare production was limited to very minor impulsive B-class event activity again today. Region 663 (N10W41) showed little change during the period and remains a magnetically simplistic beta complex. Region 664 (S11W73) went unchanged and continues to exhibit Hsx alpha spot group characteristics. No new regions were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at very low levels. The active spotted regions are magnetically simple with limited potential for significant flare production being evident.
IIA. Sammanfattning av geofysisk aktivitet 27-2100Z till 28-2100Z
The geomagnetic field was at predominantly quiet to unsettled levels. There was an isolated active period that occurred between 28/0600 and 0900Z in response to southward Bz oscillations in the interplanetary magnetic field. 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.
III. Chans för solutbrott från 29 Aug till 31 Aug
M-klass01%01%01%
X-klass01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observerad       28 Aug 087
  Prognoserat   29 Aug-31 Aug  085/085/090
  90 Day Mean        28 Aug 110
V. Geomagnetiskt A-index
  Observerad Afr/Ap 27 Aug  004/008
  Förväntat     Afr/Ap 28 Aug  006/012
  Prognoserat    Afr/Ap 29 Aug-31 Aug  004/008-004/005-004/005
VI. Chanser för geomagnetisk aktivitet från 29 Aug till 31 Aug
A. Medelhöga breddgrader
Aktivt10%10%10%
Små stormförhållanden01%01%01%
Svåra stormförhållanden01%01%01%
B. Höga breddgrader
Aktivt15%15%15%
Små stormförhållanden05%01%01%
Svåra stormförhållanden01%01%01%
COMMENTS: The ACE spacecraft orbit will bring ACE to its closest approach with the Sun on August 30, 2004. During that time possible solar radio noise may interfere with spacecraft telemetry resulting in the loss of real time solar wind plasma, magnetic field, and particle data.

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