...RED FLAG WARNING IN EFFECT FROM NOON WEDNESDAY TO MIDNIGHT MDT WEDNESDAY NIGHT FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 410, 422, 425, 427, 475, AND 476... The National Weather Service in Pocatello has issued a Red Flag Warning for scattered thunderstorms, which is in effect from noon Wednesday to midnight MDT Wednesday night. * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM, Fire Weather Zone 422 Sawtooth Range/Northern Sawtooth NF, Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River, Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River, Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * IMPACTS...Scattered thunderstorms will develop during the afternoon and evening. Besides gusty and erratic winds near thunderstorms, frequent lightning can increase wildfire starts. * THUNDERSTORMS...25 to 35 percent coverage expected. * OUTFLOW WINDS...45 to 55 mph possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. &&
