Spot Forecast
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
702 FNUS73 KGRR 061825 FWSGRR Spot Forecast for Range 15 Rx...Fort Custer National Gaurd National Weather Service Grand Rapids MI 225 PM EDT Mon May 6 2024 Forecast is based on ignition time of 1800 EDT on May 06. 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...Above normal temperatures are expected this afternoon with highs around 70. Min RH values will fall to around 30 percent. Winds aloft won`t begin to increase until tonight once the ridge moves east. .REST OF TODAY... Sky/weather.........Mostly sunny (40-50 percent). Temperature.........72 at ignition...Max 73. RH..................33 percent at ignition...Min 33 percent. Wind (20 ft)........Winds east at 12 mph at ignition...otherwise East winds 10 to 12 mph. Mixing height.......4600 ft AGL at ignition...otherwise 4600 ft AGL. Mixing winds........East around 13 mph. Smoke dispersal.....580 /good/ at ignition. Max...580 /good/. Haines Index........5 or moderate potential for large plume dominated fire growth at ignition...max 5. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........45 4 2 7 20 39 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Temp............72 68 61 56 53 52 RH..............33 40 48 53 54 59 20 ft wind......E 12 E 10 SE 9 E 10 E 10 E 10 20 ft wind gust.16 15 14 14 16 14 Mix hgt (ft)....4600 800 500 400 400 400 Mixing wind.....E 13 E 12 E 12 E 12 E 13 E 13 Haines index....5 4 4 4 2 2 Smoke disprsl...580 90 50 50 60 60 .TONIGHT... Sky/weather.........Mostly clear (20-30 percent) then becoming mostly cloudy (50-60 percent). Temperature.........Min 51. RH..................Max 61 percent. Wind (20 ft)........East winds 9 to 10 mph. Mixing height.......400 ft AGL. Mixing winds........East 12 to 15 mph. Smoke dispersal.....50 (poor). Haines Index........2 to 4 or very low to low potential for large plume dominated fire growth. .TUESDAY... Sky/weather.........Partly sunny (55-65 percent) then becoming mostly cloudy (75-85 percent). Rain showers likely until midday, then rain showers and chance of thunderstorms in the afternoon. Temperature.........Max 73. RH..................Min 55 percent. Wind (20 ft)........Southeast winds 13 to 17 mph shifting to the south around 14 mph in the evening. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......2400 ft AGL. Mixing winds........Southeast 15 to 24 mph shifting to the south around 15 mph in the evening. Smoke dispersal.....90 (poor) early in the morning increasing to 540 (good) in the afternoon. Haines Index........2 to 3 or very low potential for large plume dominated fire growth. $$ Forecaster...Felver Requested by...Lee Osterland Type of request...PRESCRIBED .TAG 2413272.0/GRR .DELDT 05/06/24 .FormatterVersion 2.0.0 .EMAIL osterlandlee@gmail.com