####018004167#### FNUS73 KGRR 120728 FWSGRR Spot Forecast for Baldwin 3 RX...USFS National Weather Service Grand Rapids MI 328 AM EDT Sun May 12 2024 Forecast is based on ignition time of 1100 EDT on May 12. If conditions become unrepresentative, contact the National Weather Service. Please contact our office at (616) 949-5150, if you have questions or concerns with this forecast. .DISCUSSION... Skies should be mostly sunny into mid afternoon. Light winds may be in place around ignition time but winds are expected to increase by early afternoon. While clouds may increase through the afternoon, showers and not expected until this evening and tonight. .TODAY... Sky/weather.........Sunny (15-25 percent). Increasing clouds in the afternoon. Temperature.........61 at ignition...Max 73. RH..................51 percent at ignition...Min 33 percent. Wind (20 ft)........Winds south at 12 mph at ignition...otherwise South winds 5 to 12 mph shifting to the southwest 13 to 15 mph in the afternoon. Mixing height.......2000 ft AGL at ignition...otherwise 3800 ft AGL. Mixing winds........South 7 to 16 mph shifting to the southwest 17 to 25 mph. Smoke dispersal.....320 /good/ at ignition. Max...880 /excellent/. Haines Index........5 or moderate potential for large plume dominated fire growth at ignition...max 5. TIME (EDT) 11 AM 1 PM 3 PM 5 PM 7 PM 9 PM Sky (%).........15 15 25 45 55 85 Weather cov..... CHANCE Weather type....NONE NONE NONE NONE NONE RNSHWR Tstm cov........ ISOLTD Temp............58 65 72 73 72 67 RH..............51 40 33 34 38 50 20 ft wind......S 12 S 13 S 14 SW 15 S 14 SW 14 20 ft wind gust.17 20 22 23 22 21 Mix hgt (ft)....2000 3500 3600 3400 2300 800 Mixing wind.....S 16 SW 21 SW 24 SW 25 SW 24 SW 14 Haines index....5 5 5 5 5 3 Smoke disprsl...320 720 860 860 550 110 .TONIGHT... Sky/weather.........Mostly cloudy (60-70 percent). Rain showers likely in the evening. Isolated thunderstorms through the night. Temperature.........Min 52. RH..................Max 96 percent. Wind (20 ft)........Southwest winds 13 to 14 mph shifting to the west around 13 mph through about 2 am, then shifting to the southwest 7 to 13 mph after midnight. Gusty and erratic winds expected near thunderstorms. Mixing height.......500 ft AGL. Mixing winds........Southwest 12 to 16 mph. Smoke dispersal.....160 (fair) early in the evening decreasing to 60 (poor) late in the night. Haines Index........3 or very low potential for large plume dominated fire growth. .MONDAY... Sky/weather.........Mostly cloudy (65-75 percent). Slight chance of rain showers and thunderstorms. Temperature.........Max 72. RH..................Min 52 percent. Wind (20 ft)........West winds 7 to 10 mph shifting to the northwest around 9 mph in the evening. Gusty and erratic winds expected near thunderstorms. Mixing height.......3000 ft AGL. Mixing winds........West 9 to 12 mph shifting to the northwest late in the day. Smoke dispersal.....80 (poor) early in the morning increasing to 290 (fair) in the afternoon. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. $$ Forecaster...Maczko Requested by...Joshua Nichlos Type of request...PRESCRIBED .TAG 2413780.0/GRR .DELDT 05/12/24 .FormatterVersion 2.0.0 .EMAIL Joshua.nichlos@usda.gov