Fire Weather Outlook Discussion
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FNUS21 KWNS 240712
FWDDY1

Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0211 AM CDT Sat Jun 24 2017

Valid 241200Z - 251200Z

...Synopsis...
Upper troughing currently in place over much of the central and
eastern CONUS is expected to persist throughout the day while
gradually shifting eastward. Several shortwave troughs will progress
through its base, the strongest of which is now moving into the
upper Midwest and is expected to be over the upper Great Lakes by
12Z Sunday. Farther west, upper ridging currently extending from the
Southwest northwestward into the northeast Pacific Ocean will
gradually shift eastward in response to the eastward shift of the
upper trough. At the surface, ridging will build across the Plains
while a cold front moves slowly across the southern Plains and
Southeast.

...Mountains and Eastern Foothills of Southern CA...
Mid-level moisture is expected to move around western periphery of
the upper ridge centered near the AZ/NM/Mexico border intersection.
This mid-level moisture may support isolated thunderstorm
development during the afternoon, especially over the higher
terrain. A very warm and deeply mixed boundary layer will support
high cloud bases and sub-cloud evaporation of any precipitation that
does form, resulting in a threat for dry thunderstorms. Threat for
dry thunderstorms coupled with at least modestly dry fuels across
the region merits the introduction of an isolated dry thunderstorm
threat area with this forecast.

..Mosier.. 06/24/2017

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

$$


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