


Fire Weather Outlook Discussion
Issued by NWS
Issued by NWS
237 FNUS21 KWNS 261650 FWDDY1 Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1149 AM CDT Sat Apr 26 2025 Valid 261700Z - 271200Z ...CRITICAL FIRE WEATHER AREA FOR FAR EASTERN ARIZONA INTO WEST-CENTRAL NEW MEXICO... ...Day 1 Update... Latest model consensus continues to indicate a broad fire weather threat across portions of the Southwest today. Expected meteorological conditions supports expansion of Critical highlights well into portions of northeast Arizona. However, fuels are undergoing green-up transition across the Four Corners area which should act to mitigate significant wildfire spread, although Elevated highlights were expanded northward into southeastern Utah and southwestern Colorado to capture the overall fire environment concern. ..Williams.. 04/26/2025 .PREV DISCUSSION... /ISSUED 0123 AM CDT Sat Apr 26 2025/ ...Synopsis... A mid-level trough (and associated southwesterly mid-level flow) is forecast to be over central California by the early evening, with a surface low centered over the Great Basin. Deep boundary layer mixing beneath the mid-level jet, in combination with a surface low to the north, will result in Critical fire-weather conditions across portions of New Mexico and Arizona. ...West-central New Mexico into Far Eastern Arizona... 20-25 MPH winds and 10-15% relative humidity values are forecast over much of western New Mexico into Eastern Arizona, but most of the receptive fuels (based on ERC percentiles) are confined to central and southern New Mexico. Therefore, only a relatively small area of Critical highlights are forecast where meteorological conditions and fuels exceeding the 80th annual percentile overlap. ...Please see www.spc.noaa.gov/fire for graphic product... $$