Viewing archive of fredag, 22 november 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 Nov 22 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 326 publicerat klockan 2200Z på 22 Nov 2002

IA. Analys av solfläcksgrupper och solaktivitet från 21-2100Z till 22-2100Z

Solar activity was at low levels. Region 198 (S18W12) produced the largest flare of the period, a C3.4/Sf flare occurring at 22/1542 UTC. Region has shown decay this period as penumbral coverage has decreased and gamma portion of the magnetic field has become less discernable, although it is still intact. Region 201 (S16W22) showed some growth today adding several umbra to group's total spot count. No new spot groups were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at low levels. Region 198 has the potential to produce M-class flare activity.
IIA. Sammanfattning av geofysisk aktivitet 21-2100Z till 22-2100Z
The geomagnetic field was at unsettled to minor storm levels. The transequatorial coronal hole in the western solar hemisphere continues to elevate the high speed solar wind (today's approximate average speed of 625 km/s). The greater than 2 MeV electron flux at geosychronous orbit reached high levels today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is expected to be at quiet to active levels. Isolated minor storm conditions (mostly at high latitudes) are possible through day one as the magnetosphere continues to be under the influence of the high speed solar wind. Days two and three should return to quiet to unsettled conditions as the high speed stream wanes. The greater the 2 MeV electron flux at GOES should reach daily moderate to high levels throughout the forecast period.
III. Chans för solutbrott från 23 Nov till 25 Nov
M-klass40%40%40%
X-klass05%05%05%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observerad       22 Nov 149
  Prognoserat   23 Nov-25 Nov  150/155/165
  90 Day Mean        22 Nov 173
V. Geomagnetiskt A-index
  Observerad Afr/Ap 21 Nov  022/050
  Förväntat     Afr/Ap 22 Nov  020/025
  Prognoserat    Afr/Ap 23 Nov-25 Nov  015/015-010/010-010/010
VI. Chanser för geomagnetisk aktivitet från 23 Nov till 25 Nov
A. Medelhöga breddgrader
Aktivt30%20%20%
Små stormförhållanden10%05%05%
Svåra stormförhållanden05%01%01%
B. Höga breddgrader
Aktivt35%20%20%
Små stormförhållanden15%10%10%
Svåra stormförhållanden05%01%01%

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