Red Flag Warning: Lower Columbia Basin; Yakama Alpine District

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Red Flag Warning — Lower Columbia Basin; Yakama Alpine District Severity: Severe. Certainty: Likely. ...ISOLATED TO SCATTERED THUNDERSTORMS WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS THROUGH THURSDAY MORNING... .An upper weather system moving across the region through Thursday morning will lead to the development of thunderstorms moving north into the central WA Cascades tonight. Thunderstorms will be capable of frequent lightning, heavy downpours, and gusty outflow winds. * AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of Washington and 694 Yakama Alpine District. * TIMING...Until 10 AM PDT Thursday. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Rain amounts will range from 0.05 to 0.15 inches, with stronger storms capable of producing 0.25 inches or more. * OUTFLOW WINDS...25 to 45 mph, locally higher.