Spot Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
909 FNUS73 KDLH 061004 FWSDLH Spot Forecast for Graham Rx...USFS National Weather Service Duluth MN 504 AM CDT Mon May 6 2024 Forecast is based on ignition time of 1000 CDT on May 06. If there are questions or concerns with this forecast, or if conditions become unrepresentative, contact the National Weather Service in Duluth at 218-729-0653. .DISCUSSION... Southeasterly 20-foot winds remain around 10 mph today, while transport winds increase from 17 mph this morning to 22 mph this afternoon. Minimum relative humidity this afternoon is forecast to drop to the upper-20% range although there is a 30% chance that the minRH drops to 25% at the fire site. Southeasterly winds remain breezy at the fire site tonight, helping to inhibit the usual nocturnal inversion. A wetting rainfall is not expected at the fire site until Tuesday morning that lasts into Tuesday afternoon. .REST OF TODAY... Sky/weather.........Mostly sunny (35-45 percent). Chance of pcpn......0 percent. LAL.................1. Max temperature.....Around 70. Min humidity........29 percent. Wind (20 ft)........Southeast winds 8 to 12 mph. Mixing height.......2400 ft AGL increasing to 5500 ft AGL late in the morning. Transport winds.....South 17 to 21 mph. Smoke dispersal.....Good (34200 knot-ft) increasing to excellent (80600-91600 knot-ft) late in the morning. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. Pcpn amount.........0.00 inches. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......MCR MCR MCR PC PC PC MC MC Chc of pcpn (%).0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 Temp............59 63 66 67 69 70 69 69 RH..............55 44 40 36 31 29 30 35 20 FT wind dir..SE SE SE SE SE SE SE SE 20 FT wind spd..8 9 10 11 11 11 11 11 20 FT wind gust.14 15 16 18 18 18 18 18 Mix hgt (kft)...2.4 5.0 5.4 5.5 5.4 5.4 5.1 4.7 Transp wind dir.S S S S S SE SE SE Transp wind spd.16 18 18 18 20 20 20 21 Haines index....3 3 3 4 4 4 4 4 SDspl kt-ft/100034 81 87 88 91 92 87 84 .TONIGHT... Sky/weather.........Mostly cloudy (55-65 percent). Chance of pcpn......10 percent. LAL.................1. Min temperature.....Around 49. Max humidity........74 percent. Wind (20 ft)........Southeast winds 13 to 16 mph. Mixing height.......3900 ft AGL decreasing to 1200 ft AGL early in the evening. Transport winds.....Southeast 16 to 22 mph. Smoke dispersal.....Excellent (74400 knot-ft) decreasing to poor to fair (10300-18000 knot-ft). Haines Index........4 or low potential for large plume dominated fire growth. Pcpn amount.........0.00 inches. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky cover.......MCLDY MCLDY MCLDY PCLDY PCLDY PCLDY Chc of pcpn (%).0 0 0 0 10 10 LAL.............1 1 1 1 1 1 Temp............68 61 55 51 50 50 RH..............36 44 51 61 68 66 20 ft wind......SE 12 SE 13 SE 16 SE 13 SE 12 SE 15 20 ft wind gust.19 21 23 23 22 23 Mix hgt (ft)....3900 1200 900 800 900 900 Transport wind..SE 22 SE 17 SE 18 SE 16 SE 16 SE 16 Haines index....4 4 4 4 4 4 SDspl kt-ft/100074 18 14 11 13 13 .TUESDAY... Sky/weather.........Mostly cloudy (70-80 percent). Rain showers. Chance of pcpn......90 percent. LAL.................1. Max temperature.....Around 59. Min humidity........62 percent. Wind (20 ft)........East winds 14 to 20 mph with gusts to around 29 mph. Mixing height.......2100 ft AGL. Transport winds.....Southeast 18 to 22 mph shifting to the east around 18 mph late in the afternoon. Smoke dispersal.....Fair (15100-20700 knot-ft) increasing to good (35100-53700 knot-ft) early in the morning, then decreasing to fair (26500 knot-ft) late in the afternoon. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. Pcpn amount.........0.46 inches. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky cover.......MCLDY MCLDY MCLDY CLOUDY CLOUDY CLOUDY Weather cov.....S CHC LIKELY DEFNTE DEFNTE DEFNTE DEFNTE Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ Chc of pcpn (%).20 60 80 90 90 80 LAL.............1 1 1 1 1 1 Temp............49 54 59 59 57 56 RH..............74 69 62 64 64 66 20 ft wind......E 17 E 19 SE 20 E 20 E 18 E 15 20 ft wind gust.25 27 29 29 27 23 Mix hgt (ft)....900 1600 2100 1900 1800 1700 Transport wind..SE 18 SE 28 SE 30 SE 29 SE 25 E 21 Haines index....4 3 3 3 3 3 SDspl kt-ft/100015 38 54 46 39 31 $$ Forecaster...Nathan Requested by...Jon Knapper Type of request...PRESCRIBED .TAG 2413226.0/DLH .DELDT 05/06/24 .FormatterVersion 2.0.0 .EMAIL jonathon.knapper@usda.gov