Spot Forecast
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
382 FNUS73 KGRR 100833 FWSGRR Spot Forecast for Pauls Rx...Fort Custer National Gaurd National Weather Service Grand Rapids MI 433 AM EDT Fri May 10 2024 Forecast is based on ignition time of 1300 EDT on May 10. 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... Expecting some patchy cumulus cloud development during the middle of the day with a deep mixing layer. Light breeze should be mainly from the northwest trending west. .REST OF TODAY... Sky/weather.........Mostly sunny (30-40 percent). Temperature.........61 at ignition...Max 65. RH..................44 percent at ignition...Min 41 percent. Wind (20 ft)........Winds northwest at 8 mph at ignition...otherwise Northwest winds 9 to 10 mph shifting to the west around 9 mph in the evening. Mixing height.......6800 ft AGL at ignition...otherwise 6900 ft AGL. Mixing winds........Northwest 10 to 12 mph shifting to the west late in the day. Smoke dispersal.....780 /excellent/ at ignition. Max...780 /excellent/. Haines Index........4 or low potential for large plume dominated fire growth at ignition...max 5. TIME (EDT) 1 PM 3 PM 5 PM 7 PM 9 PM 11 PM Sky (%).........31 53 34 13 29 56 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Temp............61 62 63 61 56 53 RH..............44 44 43 44 55 61 20 ft wind......NW 8 NW 10 W 10 W 9 SW 6 S 6 20 ft wind gust.14 15 16 14 9 8 Mix hgt (ft)....6800 6700 6400 3900 400 400 Mixing wind.....N 12 NW 10 NW 12 W 10 W 8 SW 8 Haines index....4 5 5 5 4 4 Smoke disprsl...780 690 740 410 40 30 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming mostly cloudy (65-75 percent). Slight chance of rain showers in the evening, then rain showers and slight chance of thunderstorms overnight. Temperature.........Min 48. RH..................Max 89 percent. Wind (20 ft)........Southwest winds 5 to 8 mph shifting to the west 10 to 12 mph. Gusty and erratic winds expected near thunderstorms overnight. Mixing height.......400 ft AGL. Mixing winds........West 6 to 8 mph increasing to 16 to 18 mph. Smoke dispersal.....200 (fair) early in the evening decreasing to 20 (poor) late in the night. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Mostly sunny (45-55 percent). Slight chance of rain showers through the day. Slight chance of thunderstorms through early afternoon. Temperature.........Max 61. RH..................Min 55 percent. Wind (20 ft)........Northwest winds 12 to 18 mph. Gusts up to 30 mph. Gusty and erratic winds expected near thunderstorms through early afternoon. Mixing height.......4800 ft AGL. Mixing winds........West 18 to 25 mph shifting to the northwest 23 to 31 mph in the afternoon. Smoke dispersal.....260 (fair) early in the morning increasing to 1300 (excellent) in the afternoon increasing to 660 (excellent) in the afternoon. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. $$ Forecaster...Scholten Requested by...Lee Osterland Type of request...PRESCRIBED .TAG 2413668.0/GRR .DELDT 05/10/24 .FormatterVersion 2.0.0 .EMAIL osterlandlee@gmail.com