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Spot Forecast
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
736 FNUS75 KTWC 142141 FWSTWC Spot Forecast for Brown Fire...RIST National Weather Service Tucson AZ 241 PM MST Sun Jul 14 2024 Forecast is based on forecast start time of 0700 MST on July 15. .DISCUSSION...Deeper moisture will be in place through at least Tuesday, which will result in a good chance of showers and thunderstorms. General winds will be light. However, there will be the threat of thunderstorm outflow winds which can exceed 50 mph and result in extreme fire behavior and/or a change in the direction of fire spread. .MONDAY... Sky/weather.........Mostly sunny then becoming mostly cloudy. Slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Chance of pcpn......20 percent increasing to 60 percent in the afternoon. LAL.................4. Max temperature.....95-98 degrees. Min humidity........30-33 percent. 20-foot winds.......Southwest 3 to 8 mph early in the morning, becoming northwest 5 to 10 mph by late morning and continuing through the afternoon. Gusty and erratic winds expected near thunderstorms. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......2900 ft AGL increasing to 9900 ft AGL. Transport winds.....North to northwest 7 to 9 knots. .MONDAY NIGHT... Sky/weather.........Mostly cloudy. Showers and thunderstorms likely in the evening, then a slight chance of showers and thunderstorms overnight. Chance of pcpn......60 percent decreasing to 20 percent overnight. LAL.................4. Min temperature.....70-73 degrees. Max humidity........75-78 percent. 20-foot winds.......Northwest 5 to 10 mph early in the evening, becoming west to southwest 3 to 8 mph by late evening and continuing overnight. Gusty and erratic winds expected near thunderstorms. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......7900 ft AGL decreasing to 400 ft AGL. Transport winds.....Northwest 8 to 10 knots in the evening, becoming north to northeast overnight. .TUESDAY... Sky/weather.........Mostly sunny then becoming mostly cloudy. Slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Chance of pcpn......20 percent increasing to 50 percent in the afternoon. LAL.................4. Max temperature.....96-99 degrees. Min humidity........27-30 percent. 20-foot winds.......Southwest to west 3 to 8 mph, becoming northwest by late morning and increasing to 7 to 12 mph with gusts to 22 mph in the afternoon. Gusty and erratic winds expected near thunderstorms. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......1800 ft AGL increasing to 10500 ft AGL. Transport winds.....North to northeast 5 to 8 knots in the morning, becoming northwest 9 to 12 knots in the afternoon. $$ Forecaster...ZELL Requested by...Planning Type of request...WILDFIRE .TAG 2418041.0/TWC .DELDT 07/14/24 .FormatterVersion 2.0.0 .EMAIL joey_kosiorowski@firenet.gov Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson