Spot Forecast
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
728 FNUS73 KGRR 280828 FWSGRR Spot Forecast for Camel 42...USFS National Weather Service Grand Rapids MI 428 AM EDT Sun Apr 28 2024 Forecast is based on ignition time of 0800 EDT on April 28. 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... A warm front will lift showers into central lower Michigan this morning and afternoon, then a cold front will bring widespread showers tonight into Monday. A few storms will be possible. Meanwhile, a very moisture rich airmass remains in place through Monday with dewpoint values in the 50s. This will lead to min RH values at or above 60 percent today and Monday. .TODAY... Sky/weather.........Cloudy (95-100 percent). Rain showers likely until midday. Slight chance of thunderstorms through the day. Rain showers in the afternoon. Temperature.........52 at ignition...Max 61. RH..................86 percent at ignition...Min 80 percent. Wind (20 ft)........Winds northeast at 9 mph at ignition...otherwise Northeast winds 9 to 10 mph shifting to the east around 10 mph late in the day. Gusty and erratic winds expected near thunderstorms. Mixing height.......900 ft AGL at ignition...otherwise 1300 ft AGL. Mixing winds........Northeast 12 to 14 mph shifting to the east 14 to 15 mph late in the day. Smoke dispersal.....110 /poor/ at ignition. Max...190 /fair/. Haines Index........2 or very low potential for large plume dominated fire growth at ignition...max 2. TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM Sky (%).........99 99 100 100 99 97 Weather cov.....CHANCE CHANCE LIKELY DEFNTE DEFNTE DEFNTE Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ S CHC S CHC S CHC S CHC Temp............52 51 52 56 59 60 RH..............86 86 89 83 83 84 20 ft wind......NE 9 NE 10 NE 10 NE 10 E 10 E 10 20 ft wind gust.14 14 15 15 16 16 Mix hgt (ft)....900 1100 1200 1300 1200 1100 Mixing wind.....NE 12 NE 14 NE 14 E 12 E 14 E 15 Haines index....2 2 2 2 2 2 Smoke disprsl...110 160 160 140 170 160 .TONIGHT... Sky/weather.........Cloudy (90-100 percent). Slight chance of thunderstorms in the evening. Rain showers through the night. Chance of thunderstorms after midnight. Temperature.........Min 53. RH..................Max 96 percent. Wind (20 ft)........Southeast winds 10 to 14 mph. Gusty and erratic winds expected near thunderstorms in the evening. Gusty and erratic winds expected near thunderstorms after midnight. Mixing height.......600 ft AGL. Mixing winds........Southeast 15 to 20 mph. Smoke dispersal.....150 (fair) early in the evening decreasing to 90 (poor) late in the night. Haines Index........2 or very low potential for large plume dominated fire growth. .MONDAY... Sky/weather.........Cloudy (85-95 percent). Chance of thunderstorms early in the morning. Rain showers until midday, then chance of rain showers and slight chance of thunderstorms in the afternoon. Temperature.........Max 68. RH..................Min 70 percent. Wind (20 ft)........Southeast winds 13 to 14 mph shifting to the south. Gusty and erratic winds expected near thunderstorms early in the morning. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......3100 ft AGL. Mixing winds........South 15 to 18 mph shifting to the southwest 21 to 28 mph in the afternoon. Smoke dispersal.....120 (poor) early in the morning increasing to 860 (excellent) in the afternoon. Haines Index........3 or very low potential for large plume dominated fire growth. $$ Forecaster...Thielke Requested by...Dean Chambers Type of request...PRESCRIBED .TAG 2412540.2/GRR .DELDT 04/28/24 .FormatterVersion 2.0.0 .EMAIL dean.chambers@usda.gov