Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
363 FNUS53 KDTX 220717 FWFDTX Fire Weather Planning Forecast for Southeast Michigan National Weather Service Detroit/Pontiac MI 317 AM EDT Sun Sep 22 2024 .DISCUSSION...Showers and embedded thunderstorms ahead of a cold front arrive this afternoon and carry into tonight. Northwest winds develop behind the front ushering in a cooler airmass. Chances for precipitation throughout the early to mid-week period, but highest chances will be on Tuesday. MIZ047-048-053-060-061-222115- Midland-Bay-Saginaw-Shiawassee-Genesee- Including the cities of Midland-Bay City-Saginaw-Owosso-Flint 317 AM EDT Sun Sep 22 2024 .TODAY... Sky/weather.........Partly cloudy (50-60 percent) until 8 am, then mostly cloudy (65-75 percent). Chance of rain showers after 2 pm until 5 pm, then rain showers and slight chance of thunderstorms. Chance of precipitation 80 percent. Max temperature.....76-80. 24 hr trend......6 degrees cooler. Min humidity........48-58 percent. 24 hr trend......20 percent wetter. 20-foot winds.......South 5 to 10 mph becoming southwest 10 to 15 mph in the late morning and afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......3620-4120 ft agl. Transport winds.....South 5 to 10 mph becoming southwest 10 to 15 mph in the late morning and afternoon. Smoke dispersal.....Excellent (602). Pcpn amount.........0.11-0.25 in. .TONIGHT... Sky/weather.........Cloudy (85-95 percent). Rain showers and slight chance of thunderstorms until 2 am, then chance of showers until 5 am, then slight chance of showers. Chance of precipitation 100 percent. Min temperature.....54-60. 24 hr trend......Unchanged. Max humidity........99 percent. 24 hr trend......8 percent wetter. 20-foot winds.......Southeast around 5 mph becoming north 10 to 15 mph in the late evening and overnight. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......500-700 ft agl. Transport winds.....Northeast around 10 mph becoming north after midnight. Smoke dispersal.....Poor (21). Pcpn amount.........0.26-0.50 in. .MONDAY... Sky/weather.........Mostly cloudy (60-70 percent). Max temperature.....66-72. 24 hr trend......10 degrees cooler. Min humidity........55-65 percent. 24 hr trend......19 percent wetter. 20-foot winds.......North 10 to 15 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......2700-3200 ft agl. Transport winds.....North around 15 mph. Smoke dispersal.....Good (401). Pcpn amount.........None. $$ MIZ049-054-055-062-222115- Huron-Tuscola-Sanilac-Lapeer- Including the cities of Bad Axe-Caro-Sandusky-Lapeer 317 AM EDT Sun Sep 22 2024 .TODAY... Sky/weather.........Partly cloudy (50-60 percent) until 8 am, then mostly cloudy (70-80 percent). Chance of rain showers after 5 pm. Chance of precipitation 30 percent. Max temperature.....76-80. 24 hr trend......4 degrees cooler. Min humidity........47-57 percent. 24 hr trend......12 percent wetter. 20-foot winds.......South 5 to 10 mph becoming around 10 mph early in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......3960-4460 ft agl. Transport winds.....South 5 to 10 mph becoming southwest 10 to 15 mph in the late morning and afternoon. Smoke dispersal.....Excellent (613). Pcpn amount.........0.01-0.05 in. .TONIGHT... Sky/weather.........Cloudy (90-100 percent). Rain showers and slight chance of thunderstorms until 5 am, then chance of showers. Chance of precipitation 90 percent. Min temperature.....55-60. 24 hr trend......2 degrees warmer. Max humidity........100 percent. 24 hr trend......Unchanged. 20-foot winds.......South 5 to 10 mph becoming north after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......840-1040 ft agl. Transport winds.....Southeast around 10 mph becoming north after midnight. Smoke dispersal.....Poor (17). Pcpn amount.........0.51-0.75 in. .MONDAY... Sky/weather.........Mostly cloudy (75-85 percent). Max temperature.....66-71. 24 hr trend......11 degrees cooler. Min humidity........70-80 percent. 24 hr trend......26 percent wetter. 20-foot winds.......North 10 to 15 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......1930-2430 ft agl. Transport winds.....North 15 to 20 mph. Smoke dispersal.....Good (373). Pcpn amount.........0.01-0.05 in. $$ MIZ063-068>070-075-076-082-083-222115- St Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- Including the cities of Port Huron-Howell-Pontiac-Warren-Ann Arbor-Detroit-Adrian-Monroe 317 AM EDT Sun Sep 22 2024 .TODAY... Sky/weather.........Partly cloudy (45-55 percent) until 8 am, then mostly cloudy (65-75 percent). Chance of rain showers and slight chance of thunderstorms after 5 pm. Chance of precipitation 30 percent. Max temperature.....78-84. 24 hr trend......4 degrees cooler. Min humidity........42-52 percent. 24 hr trend......10 percent wetter. 20-foot winds.......Light winds becoming south 5 to 10 mph until late afternoon, then becoming around 5 mph early in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......3800-4300 ft agl. Transport winds.....Southeast around 5 mph becoming south 10 to 15 mph. Smoke dispersal.....Good (522). Pcpn amount.........0.11-0.25 in. .TONIGHT... Sky/weather.........Cloudy (85-95 percent). Rain showers until 2 am. Slight chance of thunderstorms. Rain showers likely after 2 am. Chance of precipitation 90 percent. Min temperature.....58-62. 24 hr trend......3 degrees warmer. Max humidity........100 percent. 24 hr trend......7 percent wetter. 20-foot winds.......South 5 to 10 mph becoming west after midnight. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......940-1140 ft agl. Transport winds.....Southeast around 10 mph becoming north after midnight. Smoke dispersal.....Poor (17). Pcpn amount.........0.51-0.75 in. .MONDAY... Sky/weather.........Mostly cloudy (70-80 percent). Max temperature.....68-74. 24 hr trend......7 degrees cooler. Min humidity........61-71 percent. 24 hr trend......27 percent wetter. 20-foot winds.......Northwest 5 to 10 mph becoming north early in the afternoon. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......2830-3330 ft agl. Transport winds.....North around 15 mph. Smoke dispersal.....Good (387). Pcpn amount.........0.01-0.05 in. $$ .FORECAST DAYS 3 THROUGH 7... .TUESDAY...Cloudy with chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 70s. Northeast winds around 5 mph. .WEDNESDAY...Mostly cloudy with chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 70s. Northwest winds around 5 mph. .THURSDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 70s. North winds around 5 mph. .FRIDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 70s. .SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower 70s. $$ MR