Administrators NorthGeorgiaWX Posted July 28 Administrators Posted July 28 SPC Day 1 Fire Weather Outlook Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1110 AM CDT Sun Jul 28 2024 Valid 281700Z - 291200Z The previous forecast (see below) remains on track. ..Squitieri.. 07/28/2024 .PREV DISCUSSION... /ISSUED 0200 AM CDT Sun Jul 28 2024/ ...Synopsis... A midlevel shortwave trough will advance eastward across the northern Rockies and adjacent High Plains today, while a large-scale ridge remains centered over the southern Rockies/Southwest. Between these two features, a belt of moderate (30-40 kt) midlevel flow will overspread the Central Great Basin. ...Central Great Basin... Ample diurnal heating from southern NV east-northeastward across southern/central UT into south-central WY will yield deep boundary-layer mixing into the moderate flow aloft. As a result, 5-10 percent minimum RH will overlap 15-20 mph sustained southwesterly surface winds during the afternoon. Given modestly receptive fuels through this corridor, elevated to locally critical fire-weather conditions are expected. ...Northern Rockies and adjacent High Plains... Large-scale ascent preceding the midlevel shortwave trough will intercept a midlevel moisture plume, favoring isolated to widely scattered high-based thunderstorms from the afternoon into the evening. 0.5-0.75 inch PW and quick storm motions will contribute to mostly dry thunderstorms, capable of lightning-induced ignitions over dry fuels. Strong/erratic outflow winds could also accompany this activity. ...Please see www.spc.noaa.gov/fire for graphic product... Read more View the full article Quote
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