Spot Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
779 FNUS73 KMQT 092220 FWSMQT Spot Forecast for Black Spruce...USFS National Weather Service Marquette MI 620 PM EDT Thu May 9 2024 Forecast is based on ignition time of 1800 EDT on May 09. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Clear skies with northeast winds around 9 mph will die down and become near calm this evening with good RH recovery tonight. Dry and sunny early on Friday but then a trough moves in from the northwest late in the day bringing some isolated to scattered showers. Winds starting off light southwest on Friday will become west at around 6 mph late morning into the early afternoon and then veer northwest to north late afternoon/evening behind a trough passage. Any rainfall on Friday afternoon/evening will be light, probably less than .05 inch. Decent RH recovery to near 90 percent is expected Friday night before drier and sunny conditions take hold again on Saturday with building high pressure. .TONIGHT... Sky/weather.........Clear (0-5 percent). Chance of pcpn......0 percent. LAL.................1. Temperature.........54 at ignition...Min 29. RH..................45 percent at ignition...Max 95 percent. Dewpoint............34 decreasing to 28 early in the morning. 33-foot winds.......Winds northeast at 9 mph at ignition...otherwise Northeast winds 5 to 9 mph in the evening becoming light. 20-foot winds.......Northeast winds up to 7 mph in the evening becoming light. Mixing height.......4600 ft AGL at ignition...otherwise 3400-4600 ft AGL decreasing to 0-300 ft AGL. Ventilation index...Good (417) at ignition. Min...poor (0.0). Haines Index........3 or very low potential for large plume dominated fire growth at ignition...max 4. Rainfall amount.....0.00 inches. Ceiling (kft).......25. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........1 0 1 2 1 1 2 1 1 2 1 1 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............54 53 49 45 41 38 36 35 33 32 31 30 Dewpoint........33 32 32 32 31 31 31 31 30 29 29 28 RH..............45 45 50 59 68 75 80 84 89 91 94 95 33 ft wind dir..NE NE NE NE NE NE E E E SW SW SW 33 ft wind spd..9 9 9 6 6 6 1 1 1 2 2 2 20 ft wind dir..NE NE NE NE NE NE E E E SW SW SW 20 ft wind spd..7 7 7 5 5 5 1 1 1 2 2 2 Wind gust.......10 10 10 6 6 6 2 2 2 Mix hgt (kft)...4.6 4.1 3.4 2.3 1.1 0.3 0.1 0.1 0.3 0.3 0.3 0.3 Haines index....3 4 4 4 4 4 4 4 4 4 3 3 VIndx kt-ft/100.42 37 27 19 8 2 0 0 1 1 1 1 Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25 25 .FRIDAY... Sky/weather.........Sunny (15-25 percent) then becoming partly sunny (55-65 percent). Slight chance of rain showers late in the afternoon. Chance of pcpn......20 percent. LAL.................1. Temperature.........Max 63. RH..................Min 28 percent. Dewpoint............29. 33-foot winds.......Light southwest winds becoming west 5 to 6 mph in the afternoon then northwest to north late. 20-foot winds.......Light southwest winds up to 5 mph becoming west late morning/early afternoon and then northwest to north late afternoon. Mixing height.......0-1400 ft AGL increasing to 7500-8300 ft AGL. Ventilation index...Poor to good (0.0-462.0) increasing to excellent (603.0) late in the afternoon. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. Rainfall amount.....0.04 inches. Ceiling (kft).......25 decreasing to 6.1. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........0 2 7 6 4 3 13 22 32 44 56 68 Weather cov..... SCH SCH Weather type.... RW RW Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 10 10 20 20 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............31 31 34 42 48 53 57 59 61 62 61 61 Dewpoint........29 29 31 31 30 29 29 28 27 28 29 31 RH..............91 94 88 63 50 40 34 30 28 28 30 31 33 ft wind dir..SW SW SW W W W W W W NW NW N 33 ft wind spd..2 2 2 3 3 3 5 5 5 6 6 6 20 ft wind dir..SW SW SW W W W W W W W W W 20 ft wind spd..2 2 2 2 2 2 4 4 4 5 5 5 Wind gust....... 5 5 5 8 8 8 10 10 10 Mix hgt (kft)...0.1 0.1 0.3 1.4 3.0 4.5 5.4 6.0 6.6 7.5 8.3 8.3 Haines index....3 3 3 3 4 4 4 4 4 4 3 3 VIndx kt-ft/100.0 0 0 1 6 18 27 36 46 60 74 83 Ceiling (kft)...25 25 25 25 25 25 25 25 17 13 9.0 6.1 .FRIDAY NIGHT... Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain showers in the evening, then slight chance of rain showers overnight. Chance of pcpn......30 percent. LAL.................1. Temperature.........Min 41. RH..................Max 88 percent. Dewpoint............34 increasing to 39 early in the evening. 33-foot winds.......Northwest winds 5 to 6 mph early in the evening becoming light, then becoming northwest 5 to 6 mph overnight. 20-foot winds.......Northwest winds up to 5 mph early in the evening becoming light, then becoming northwest up to 5 mph overnight. Mixing height.......5700-7300 ft AGL decreasing to 700-1700 ft AGL. Ventilation index...Fair to excellent (248.0-732.0) decreasing to poor to fair (64.0-152.0) in the late evening and overnight. Haines Index........2 to 3 or very low potential for large plume dominated fire growth. Rainfall amount.....0.04 inches. Ceiling (kft).......4.2 early in the evening. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........73 82 79 77 74 79 Weather cov.....CHANCE CHANCE CHANCE S CHC Weather type....RNSHWR RNSHWR RNSHWR RNSHWR NONE NONE Tstm cov........ Chc of pcpn (%).30 30 30 20 10 10 LAL.............1 1 1 1 1 1 Temp............59 53 49 45 44 43 Dewpoint........33 38 39 39 40 39 RH..............37 56 68 79 85 87 33 ft wind......N 6 NW 6 W 3 W 6 W 6 NW 6 20 ft wind......N 5 NW 5 W 2 W 5 W 5 NW 5 Wind gust.......10 10 6 6 6 7 Mix hgt (ft)....7300 4000 1700 700 1000 900 Haines index....3 3 2 2 2 2 VIndx kt-ft/100.73 36 15 7 8 9 Ceiling (kft)...4.6 4.2 .SATURDAY... Sky/weather.........Partly sunny (45-55 percent) then becoming mostly sunny (20-30 percent). Chance of pcpn......10 percent. LAL.................1. Temperature.........Max 61. RH..................Min 40 percent. Dewpoint............40 decreasing to 36 late in the afternoon. 33-foot winds.......Northwest winds 6 to 10 mph. 20-foot winds.......Northwest winds 5 to 8 mph. Mixing height.......1000-2600 ft AGL increasing to 8100-8400 ft AGL. Ventilation index...Poor to good (125.0-599.0) increasing to excellent (1420.0). Haines Index........2 to 4 or very low to low potential for large plume dominated fire growth. Rainfall amount.....0.00 inches. Ceiling (kft).......MISSING. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........74 57 43 30 18 29 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).10 10 10 10 10 10 LAL.............1 1 1 1 1 1 Temp............43 44 50 55 59 60 Dewpoint........39 39 41 41 38 37 RH..............86 83 73 59 45 41 33 ft wind......NW 6 NW 6 NW 9 NW 10 NW 10 NW 10 20 ft wind......NW 5 NW 5 NW 7 NW 8 NW 8 NW 8 Wind gust.......8 8 11 13 13 14 Mix hgt (ft)....1000 1700 3700 5900 7400 8400 Haines index....2 2 3 3 4 4 VIndx kt-ft/100.13 23 60 105 126 143 Ceiling (kft)... $$ Forecaster...Voss Requested by...Lisa Gowe Type of request...PRESCRIBED .TAG 2413646.0/MQT .DELDT 05/09/24 .FormatterVersion 2.0.0 .EMAIL lisa.gowe@usda.gov