Idaho Falls, ID Severe Weather Alertstar_ratehome

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR
SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 410 AND 427...


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 Tuesday.

* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River
Valley/Idaho Falls BLM and Fire Weather Zone 427 Goose Creek
and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM
south of the Snake River.

* TIMING...Thunderstorm development mid to late afternoon will
produce gusts over 35 mph along with the potential for
lightning.

* WINDS...West 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 16 percent.

* THUNDERSTORMS...25 to 35 percent coverage expected.

* IMPACTS...Erratic wind gusts over 45 mph are expected near
thunderstorms. Lightning may generate new fire starts.


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.

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