####018005800#### FNUS73 KAPX 080748 FWSAPX Spot Forecast for Six Mile South...USFS National Weather Service Gaylord MI 348 AM EDT Wed May 8 2024 Forecast is based on ignition time of 0800 EDT on May 08. If conditions become unrepresentative... contact the National Weather Service. Please contact our office at (989)732-9306, if you have questions or concerns with this forecast. .DISCUSSION...A few rain showers possible early this morning at the burn site with latest trends supporting more sun as the day progresses. Eye-level winds start off out of the west this morning and gradually veer northerly by late this afternoon with the strongest gusts around 15 mph. Another chance of rain does exist during the day on Thursday. No critical RH concerns today or Thursday. .REST OF TODAY... Sky/weather.........Becoming partly sunny (45-55 percent). Max temperature.....Around 64. Min humidity........54 percent. 20-foot winds.......Northwest winds 7 to 9 mph. Transport winds.....Northwest 13 to 18 mph. Mixing height.......500-2200 ft AGL increasing to 2300-2500 ft AGL late in the afternoon. Haines Index........3 or very low potential for large plume dominated fire growth. Ventilation index...Poor to fair (69.0-405.0). TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........84 74 70 65 56 48 39 42 46 50 Weather cov..... Weather type.... Tstm cov........ Temp............50 53 55 57 58 60 62 62 63 62 RH..............95 92 83 82 76 71 67 63 54 56 20 ft wind dir..W NW NW NW NW NW NW NW NW NW 20 ft wind spd..9 10 10 10 10 10 10 10 10 10 20 ft wind gust.16 16 16 16 16 16 16 16 16 16 Mix hgt (kft)...0.5 1.0 1.3 1.5 1.7 2.0 2.2 2.5 2.3 2.3 Haines index....3 3 3 3 3 3 3 3 3 3 Transp wind dir.W NW NW NW NW N NW NW N N Transp wind spd.14 18 17 15 14 15 14 15 14 13 Vrate kt-ft.....77 235 243 238 249 329 330 405 355 327 Ventrate Cat....PR PR PR PR PR PR PR FR PR PR .TONIGHT... Sky/weather.........Mostly cloudy (60-70 percent). Min temperature.....Around 46. Max humidity........91 percent. 20-foot winds.......North winds 7 to 8 mph shifting to the northeast 8 to 9 mph in the late evening and overnight. Transport winds.....Northeast 10 to 13 mph shifting to the east 9 to 12 mph overnight. Mixing height.......500-2400 ft AGL. Haines Index........3 or very low potential for large plume dominated fire growth. Ventilation index...Poor (47.0). TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........53 55 58 58 59 59 57 55 53 60 67 75 Weather cov..... Weather type.... Tstm cov........ Temp............62 62 59 57 55 52 52 51 50 49 48 47 RH..............60 62 66 73 77 83 82 83 86 88 91 91 20 ft wind dir..N N N NE NE NE NE NE NE E E E 20 ft wind spd..9 9 9 8 8 8 8 8 8 8 8 8 20 ft wind gust.14 14 14 12 12 12 12 12 12 13 13 13 Mix hgt (kft)...2.4 2.3 0.9 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.6 Haines index....3 3 3 3 3 3 3 3 3 3 3 3 Transp wind dir.N NE NE NE NE E E E E E E E Transp wind spd.12 13 10 10 12 12 10 10 12 9 9 12 Vrate kt-ft.....295 302 99 67 66 55 52 52 63 47 55 78 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR .THURSDAY... Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain showers early in the morning. Max temperature.....Around 60. Min humidity........61 percent. 20-foot winds.......Northeast winds around 9 mph early in the morning becoming light. Transport winds.....East 12 to 17 mph. Mixing height.......600-2500 ft AGL increasing to 2500-3700 ft AGL late in the morning. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. Ventilation index...Poor to fair (67.0-557.0) increasing to poor to good (311.0-617.0) in the afternoon. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........79 87 77 84 79 80 Weather cov..... CHANCE CHANCE CHANCE CHANCE CHANCE Weather type....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ Temp............46 49 53 56 57 56 RH..............89 83 71 66 62 64 20 ft wind dir..E E E E E E 20 ft wind spd..9 9 10 10 10 9 20 ft wind gust.14 14 17 17 17 16 Mix hgt (ft)....600 1300 2500 3600 3400 2900 Haines index....3 4 4 4 4 4 Transport wind..E 12 E 14 E 17 E 16 E 13 NE 14 Vrate kt-ft.....82 185 441 617 495 384 Ventrate Cat....POOR POOR FAIR GOOD FAIR POOR $$ Forecaster...MJG Requested by...Joe Raspotnik Type of request...PRESCRIBED .TAG 2413430.0/APX .DELDT 05/08/24 .FormatterVersion 2.0.0 .EMAIL joseph.raspotnik@usda.gov