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Day 1 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
1256 AM CDT Thu Jul 18 2024

Valid 181200Z - 191200Z

...Synopsis...
Isolated dry thunderstorms are expected over most of the Great Basin
and portions of the Upper Colorado River Basin Thursday afternoon
and evening. A shallow plume of mid to upper-level moisture will
remain in place Thursday within a broad ridge extending over most of
the western CONUS. Orographic ascent juxtaposed with this moisture,
co*bined with relatively low PWAT values and a very well-mixed
boundary layer up to or exceeding 3 km, will support isolated dry
lightning. Some locations within the Isolated Dry Thunderstorm area
across UT may receive wetting rains, but these areas were too
confined to exclude them given fairly widespread ERC percentiles
above 85. In addition to dry thunderstorms, westerly downslope gusty
winds and low relative humidity may support very localized elevated
fire weather conditions in the southern lee of the Cascades.

..Barnes.. 07/18/2024

...Please see www.spc.noaa.gov/fire for graphic product...