Red Flag Warning issued August 12 at 1:30PM MDT until August 13 at 9:00PM MDT by NWS Pocatello ID

…CRITICAL FIRE WEATHER CONDITIONS THURSDAY DUE TO SCATTERED
THUNDERSTORMS…

The National Weather Service in Pocatello has issued a Red Flag
Warning for scattered thunderstorms, which is in effect from noon
to 9 PM MDT Thursday.

* AFFECTED AREA…Fire Weather Zone 410 Upper Snake River
Valley/Idaho Falls BLM, Fire Weather Zone 411 Centennial
Mountains and Snake River Range/Targhee NF, Fire Weather Zone
413 Caribou Range/Caribou NF, 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…Frequent lightning will increase risk of new fire
starts.

* THUNDERSTORMS…Scattered coverage with frequent lightning.

* OUTFLOW WINDS…Erratic winds 35 to 45 mph.
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.