Viewing archive of lördag, 22 april 2006

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 2006 Apr 22 2203 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 112 publicerat klockan 2200Z på 22 Apr 2006

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

Solar activity was low. A C2 x-ray flare which reached maximum at 1639UTC was the largest event of the day. B-class flares were more numerous and all activity was seen to be centered on active regions just rotating onto the disk in the southern hemisphere. The sole spot group, Region 874 (S02W39), was quiet as it continued to decay.
IB. Prognos för solaktivitet
Solar activity is expected to be very low to low. Expect isolated C-class flares during the next three days.
IIA. Sammanfattning av geofysisk aktivitet 21-2100Z till 22-2100Z
The geomagnetic field was moderately disturbed early in the period, as conditions ranged from active to brief major storming at high latitudes. This activity was due to strong Alfven waves in the solar wind that caused periods of southward IMF to reach -15 nT at times. The solar wind returned to more normal conditions during the last 12 hours.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is expected to be mostly unsettled during the interval. Brief active conditions may occur in the near term as the solar wind speed, though decreasing, is still above 500 km/s.
III. Chans för solutbrott från 23 Apr till 25 Apr
M-klass05%05%05%
X-klass01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observerad       22 Apr 082
  Prognoserat   23 Apr-25 Apr  085/085/085
  90 Day Mean        22 Apr 078
V. Geomagnetiskt A-index
  Observerad Afr/Ap 21 Apr  006/008
  Förväntat     Afr/Ap 22 Apr  015/020
  Prognoserat    Afr/Ap 23 Apr-25 Apr  010/010-005/008-005/008
VI. Chanser för geomagnetisk aktivitet från 23 Apr till 25 Apr
A. Medelhöga breddgrader
Aktivt40%20%20%
Små stormförhållanden05%05%05%
Svåra stormförhållanden01%01%01%
B. Höga breddgrader
Aktivt50%30%30%
Små stormförhållanden10%10%10%
Svåra stormförhållanden01%01%01%

All times in UTC

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