Spot Forecast
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
089 FNUS75 KFGZ 231008 FWSFGZ Spot Forecast for Three Sisters RX...USFS National Weather Service Flagstaff AZ 308 AM MST Thu May 23 2024 Forecast is based on ignition time of 0600 MST on May 23. If conditions become unrepresentative, contact the National Weather Service in Flagstaff, AZ .DISCUSSION...Dry and mild conditions continue today and on Friday. Breezy southwest winds today, becoming gusty on Friday. Overnight winds will be light, and largely terrain-driven. RH values remain low today, then begin to increase slightly for Friday along with decent overnight recovery expected. .TODAY... Sky/weather.........Sunny. Chance of pcpn......0 percent. Max temperature.....70-72 degrees. Min humidity........16-19 percent. Wind (20 ft)........Southwest winds 10 to 15 mph. Afternoon gusts up to 25 mph. LAL.................1. Haines Index........4 or low potential for large plume dominated fire growth. Max Vent Rate.......Excellent. Clearing Index......2052. Mixing height.......9000 ft AGL. Transport winds.....Southwest 15 to 20 knots increasing to around 25 knots late in the afternoon. .TONIGHT... Sky/weather.........Clear. Chance of pcpn......0 percent. Min temperature.....41-43 degrees. Max humidity........57-59 percent. Wind (20 ft)........South winds 5 to 10 mph. LAL.................1. Haines Index........3 or very low potential for large plume dominated fire growth. Min Vent Rate.......Poor. Clearing Index......4. Mixing height.......100 ft AGL. Transport winds.....Southwest 10 to 15 knots shifting to the south around 5 knots overnight. .FRIDAY... Sky/weather.........Sunny. Chance of pcpn......0 percent. Max temperature.....69-71 degrees. Min humidity........19-21 percent. Wind (20 ft)........South winds 15 to 25 mph, with afternoon gusts up to 35 mph. LAL.................1. Haines Index........4 or low potential for large plume dominated fire growth. Max Vent Rate.......Excellent. Clearing Index......2714. Mixing height.......8300 ft AGL. Transport winds.....South around 15 knots increasing to southwest around 35 knots. .FORECAST DAYS 3 THROUGH 5... Turning warmer with continued dry conditions. Breezy southwest winds 15 to 20 mph with gusts up to 30 mph on Saturday. Lighter winds on Sunday and Monday from the south/southwest 10 to 15 mph. Gusts up to 20 mph in the afternoon. Minimum RH around 20%, falling to around 10-15% for Sunday and Monday. See the Fire Weather Planning Forecast for additional details in the extended. $$ Forecaster...HUMPHREYS Requested by...Cody Payne Type of request...PRESCRIBED .TAG 2414939.0/FGZ .DELDT 05/23/24 .FormatterVersion 2.0.0 .EMAIL Cody.payne@usda.gov,Wyler.heffelfinger@usda.gov,Michael.uebel@usda.gov