awips2/cave/com.raytheon.viz.gfe/help/CarSnowAmt.html
2022-05-05 12:34:50 -05:00

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<title>CarSnowAmt</title>
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<font face="New Century Schoolbook, Times New Roman, serif"><font
size="5"><b>CarSnowAmt</b></font></font>
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<font face="New Century Schoolbook, Times New Roman, serif"><font
size="3"><b>Overview</b></font></font>
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<font face="New Century Schoolbook, Times New Roman, serif">This tool uses upper level temperatures,
vertical motion, and relative humidity to calculate a snowratio. The tool algorithm uses a blend of
approaches based on the findings Dube`(2003), and also in part Waldstreicher(2001), and the top-down
microphysical diagnostics of Baumgardt(2001). The derived snowratio is then multiplied by the QPF
field to yield a snow amount. The tool is capable of producing snowratios from 0 to 25:1.
Highest snowratios occur when vertical motion maxima coincide with snow production zone
(i.e. temperatures between -12 and -18 Celsius).</font>
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