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Spot Forecast
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
800 FNUS75 KFGZ 160105 FWSFGZ Spot Forecast for Ponderosa Piles RX...USFS National Weather Service Flagstaff AZ 605 PM MST Thu Aug 15 2024 Forecast is based on ignition time of 0900 MST on August 16. If conditions become unrepresentative, contact the National Weather Service in Flagstaff, AZ. .DISCUSSION... *A dry period continues on Friday with warm temperatures and low humidity in the afternoon. Breezy south to southwest winds persist by the early afternoon. *Moisture begins to increase Friday night into Saturday with a return of showers and thunderstorms for Saturday afternoon and evening. Southerly winds will remain breezy with warm temperatures. *Long Range Outlook: Chances for isolated to scattered showers and thunderstorms continue each day through the weekend and into next week. Temperatures remain warm with no significant winds, outside of gusty and erratic outflows from any storms. .FRIDAY... Sky/weather.........Sunny. Chance of pcpn......5 percent. Max temperature.....87-90. Min humidity........27-31 percent. Wind (20 ft)........Southwest winds 8-12 mph with gusts of 20 mph after 1100 MST. LAL.................1. Haines Index........2 or very low potential for large plume dominated fire growth. Max Vent Rate.......Excellent. Clearing Index......1424. Mixing height.......11000 ft AGL. Transport winds.....Southwest 10 to 20 mph. .FRIDAY NIGHT... Sky/weather.........Partly cloudy. Chance of pcpn......10 percent. Min temperature.....60-64. Max humidity........68-73 percent. Wind (20 ft)........South winds 2-5 mph after 2000 MST. 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 around 5 mph. .SATURDAY... Sky/weather.........Cloudy. Scattered showers and thunderstorms developing by 1200 MST. Chance of pcpn......55 percent in the afternoon. Max temperature.....85-89. Min humidity........33-37 percent. Wind (20 ft)........Southeast winds 2-5 mph in the morning, becoming southwest 8-12 mph with gusts of 20 mph by 1100 MST. Gusty and erratic winds expected near thunderstorms. LAL.................3. Haines Index........3 or very low potential for large plume dominated fire growth. Max Vent Rate.......Excellent. Clearing Index......1282. Mixing height.......9600 ft AGL in the morning, increasing to 10700 ft AGL in the afternoon. Transport winds.....South 10 to 15 mph in the afternoon. $$ Forecaster...LAGUARDIA Requested by...Morgan Mabery Type of request...PRESCRIBED .TAG 2420366.0/FGZ .DELDT 08/15/24 .FormatterVersion 2.0.0 .EMAIL morgan.mabery@usda.gov