Red Flag Warning issued September 1 at 2:33PM MDT until September 2 at 10:00PM MDT by NWS Pocatello ID
…FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES
410, 411, 413, 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
to 10 PM MDT Monday. The Fire Weather Watch is no longer in
effect.
* 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…New lightning starts are possible, with gusty
outflow winds possibly leading to rapid growth of new or
existing fires.
* THUNDERSTORMS…Scattered dry thunderstorms.
* OUTFLOW WINDS…45 to 55 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.
