Storm Prediction Center Day 1 Fire Weather Outlook
Created: Sat Jun 24 07:19:03 UTC 2017 ( | )
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ZCZC SPCFWDDY1 ALL FNUS21 KWNS 240711 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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