Full Notification

The National Weather Service in Pocatello has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 3 PM this afternoon to 9 PM this evening.

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

* WINDS...South 20 to 30 MPH with gusts of 35 to 45 MPH, shifting into the west-southwest between 6 PM and 8 PM at similar speeds as a cold front pushes through. Gusty winds will linger past 9 PM, but relative humidity values will moisten and no longer be critical.

* RELATIVE HUMIDITY...12 to 16 percent.

* IMPACTS...Hot, dry, and breezy conditions will support rapid wildfire spread and long range spotting of embers.

* AFFECTED AREAS: UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM ... GOOSE CREEK AND RAFT RIVER VALLEY/SOUTHERN SAWTOOTH NF/TWIN FALLS BLM SOUTH OF THE SNAKE RIVER

Instructions:

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on any one or more of these criteria for southeast 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 or greater, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies.