Viewing archive of torsdag, 28 mars 2002

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 2002 Mar 28 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 087 publicerat klockan 2200Z på 28 Mar 2002

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

Solar activity was at low levels. The period began with multiple low level C-class flares that went optically uncorrelated. Region 9880 (N09W63) may have been responsible for several of the minor C-class flares and underwent slight decay late in the period. The gamma portion of yesterday's magnetic classification is no longer evident. Region 9885 (N11E69) is believed responsible for the largest flare during the period, producing a C7 x-ray flare at 28/1800 UTC. This region has shown steady growth in penumbral coverage. Region 9878 (N09W26) was unimpressive this period and has been in steady decay, the delta spot observed yesterday has become two distinct separate spots. Although less magnetically complex, this region retains a gamma magnetic signature. No new regions were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at low to moderate levels. Regions 9880 and 9885 are magnetically complex enough to produce isolated M-class flare activity.
IIA. Sammanfattning av geofysisk aktivitet 27-2100Z till 28-2100Z
The geomagnetic field activity levels were at quiet to unsettled levels.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field levels are expected to be at quiet to unsettled conditions throughout the forecast period.
III. Chans för solutbrott från 29 Mar till 31 Mar
M-klass45%45%35%
X-klass05%05%05%
Proton05%05%05%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observerad       28 Mar 176
  Prognoserat   29 Mar-31 Mar  170/170/165
  90 Day Mean        28 Mar 206
V. Geomagnetiskt A-index
  Observerad Afr/Ap 27 Mar  003/005
  Förväntat     Afr/Ap 28 Mar  003/005
  Prognoserat    Afr/Ap 29 Mar-31 Mar  005/008-006/008-010/010
VI. Chanser för geomagnetisk aktivitet från 29 Mar till 31 Mar
A. Medelhöga breddgrader
Aktivt15%15%20%
Små stormförhållanden05%05%05%
Svåra stormförhållanden01%01%01%
B. Höga breddgrader
Aktivt20%20%25%
Små stormförhållanden05%05%05%
Svåra stormförhållanden02%02%02%

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