Cirrus fibratus and cirrostratus
Specimen #1


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Photograph Data
Date: 22 November 2000
Time: 1325 UTC (7:25 a.m. CST)
Location: Columbia, MO, USA


Synopsis
Cirrus fibratus and cirrostratus elements (1).  High pressure is controling the weather across the Midwest and also the southern United States.  The official observation from the airport (shown below) does not report these clouds, because the automated sensors only see clouds at and below 12,000 feet.

Representative Surface Observation

Station:  Columbia Regional Airport
Date:  22 November 2000
Time:  1254 UTC  (6:54 a.m. CST)
 
Wind direction 290 degrees, (west)
Wind speed 6 knots
Visibility 10 statute miles
Present weather None
Sky condition Clear
Temperature -6.7 C
Dew point -10.0 C
Altimeter setting 30.31 inches Hg
Sea level pressure 1027.5 mb
Remarks None


Analyses
 
Surface 925 mb 850 mb 700 mb 500 mb 300 mb
Upper Air Sounding Satellite Image