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Fire Weather Outlook Discussion
Issued by NWS
Issued by NWS
711 FNUS28 KWNS 162138 FWDD38 Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0436 PM CDT Tue Jul 16 2024 Valid 181200Z - 241200Z The pattern in the extended D3/Thur-D6/Fri will feature a trough moving across the northeastern US as strong high pressure continues to build across the western US. Late in the extended period, a deepening trough will potentially move across the Pacific Northwest, with an attendant cold front D6/Sun-D7/Mon bringing increasing winds and potential thunderstorm chances. ...Pacific Northwest D3/Thursday - D8/Tuesday... On D3/Thur, a band of enhanced southwesterly flow aloft will overspread the Cascades, bringing increased surface winds that will overlap relative humidity around 10-15 percent. A 40% delineation was maintained with this outlook. Given the potential for dry lightning on D2/Wed, fire spread with new lightning ignitions will be possible. Moisture will gradually begin to increase northwestward across California into Oregon and Washington towards the weekend as deepening trough brings southerly flow back into the region. This will bring an increase in thunderstorm activity as well as the potential for increasing winds. ...Great Basin, Idaho, and Arizona D3/Thursday - D8/Tuesday... Across the western US where high-amplitude ridging continues, drying conditions and very warm temperatures are expected. Isolated dry thunderstorm chances will continue across portions eastern Nevada and far southern Idaho D3/Thur. Monsoonal moisture will gradually shift southward out of the Great Basin residing across southern Nevada/Utah/Arizona where thunderstorm chances will continue. Isolated dry thunderstorms may be possible across portions southern Utah and eastern Nevada, along the northern periphery of the better monsoonal moisture through the end of the period. ..Thornton.. 07/16/2024 ...Please see www.spc.noaa.gov/fire for graphic product... $$