Spot Forecast
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
012 FNUS73 KGRR 270840 FWSGRR Spot Forecast for Camel 42...USFS National Weather Service Grand Rapids MI 440 AM EDT Sat Apr 27 2024 Forecast is based on ignition time of 0800 EDT on April 27. 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... Southerly winds will quickly build this morning reaching their peak around noon with sustained winds reaching 15 to 20 mph gusting to 30 to 35 mph. Significant moisture advection will result in dewpoints in the mid to upper 50s today and Sunday. This results in Min RH values around 65 to 70 percent. Meanwhile, scattered showers and storms are expected this morning and afternoon with chances for strong to severe storms this evening and tonight. Scattered showers and storms will last into Sunday afternoon. .TODAY... Sky/weather.........Mostly cloudy (75-85 percent). Chance of showers and thunderstorms early in the morning, then slight chance of showers and thunderstorms early in the morning. Chance of showers and thunderstorms late in the day. Temperature.........60 at ignition...Max 71. RH..................84 percent at ignition...Min 66 percent. Wind (20 ft)........Winds south at 15 mph at ignition...otherwise South winds 15 to 21 mph with gusts to around 35 mph. Gusty and erratic winds expected near thunderstorms early in the morning. Gusty and erratic winds expected near thunderstorms late in the day. Mixing height.......700 ft AGL at ignition...otherwise 2300 ft AGL. Mixing winds........South 20 to 28 mph shifting to the southwest 30 to 36 mph, then decreasing to around 24 mph in the evening. Smoke dispersal.....130 /fair/ at ignition. Max...800 /excellent/. Haines Index........3 or very low potential for large plume dominated fire growth at ignition...max 3. TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM Sky (%).........87 90 89 81 73 78 Weather cov.....CHANCE S CHC CHANCE Weather type....RNSHWR RNSHWR NONE NONE NONE RNSHWR Tstm cov........CHANCE S CHC CHANCE Temp............60 61 65 69 70 71 RH..............84 87 81 73 68 66 20 ft wind......S 15 S 16 S 18 S 21 SW 21 SW 20 20 ft wind gust.26 29 32 35 33 32 Mix hgt (ft)....700 1100 1700 2200 2100 1700 Mixing wind.....S 20 S 22 S 31 SW 35 SW 32 SW 30 Haines index....3 3 3 3 3 3 Smoke disprsl...130 240 520 740 670 500 .TONIGHT... Sky/weather.........Mostly cloudy (80-90 percent). Rain showers likely in the evening. Chance of thunderstorms. Chance of rain showers overnight. Temperature.........Min 53. RH..................Max 96 percent. Wind (20 ft)........Southwest winds 8 to 16 mph shifting to the west 5 to 6 mph overnight, then becoming light toward daybreak becoming north 6 to 7 mph toward daybreak. Gusty and erratic winds expected near thunderstorms. Mixing height.......500 ft AGL. Mixing winds........Southwest 13 to 21 mph shifting to the northwest 8 to 9 mph late at night, then shifting to the north 8 to 10 mph toward daybreak. Smoke dispersal.....170 (fair) early in the evening decreasing to 40 (poor) late in the night. Haines Index........2 to 3 or very low potential for large plume dominated fire growth. .SUNDAY... Sky/weather.........Cloudy (85-95 percent). Rain showers likely until midday, then rain showers in the afternoon. Slight chance of thunderstorms late in the day. Temperature.........Max 61. RH..................Min 78 percent. Wind (20 ft)........Northeast winds 8 to 9 mph shifting to the east 9 to 12 mph late in the day. Gusty and erratic winds expected near thunderstorms late in the day. Mixing height.......1200 ft AGL. Mixing winds........Northeast 10 to 17 mph shifting to the east 16 to 17 mph late in the day. Smoke dispersal.....80 (poor) early in the morning increasing to 180 (fair) in the afternoon. Haines Index........2 or very low potential for large plume dominated fire growth. $$ Forecaster...Thielke Requested by...Joe Raspotnik Type of request...PRESCRIBED .TAG 2412540.1/GRR .DELDT 04/27/24 .FormatterVersion 2.0.0 .EMAIL joseph.raspotnik@usda.gov