Both the 17Z and 18Z NUCAPS Soundings crossed through the Sterling CWA this afternoon giving us a glimpse at quickly evolving pre-convective environment.
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| 17Z NUCAPS crossed the Eastern portion of KLWX. 18Z NUCAPS crossed the Western portion of KLWX. |
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| 17Z NUCAPS Sounding (near Leesburg, VA) |
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| 18Z NUCAPS Sounding (near Romney, WV) |
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Between 17 and 18Z...the surface temperature warmed and low to mid level moisture increased. This in turn increased the CAPE from roughly 900 J/kg to over 3000 J/kg. One minor downfall to the NUCAPS soundings that were sampled was that they required data editing to better represent surface observations. In this example...both the temperature and dew point temperatures were 5 to 10 degrees too cool. Modifying the sounding can very subjective so improvements need to be made to better reflect actual observations.
~Lilly Miller~
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