Spot Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
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773 FNUS73 KDLH 150952 FWSDLH Spot Forecast for NBWA Unit 7...WI DNR National Weather Service Duluth MN 452 AM CDT Wed May 15 2024 Forecast is based on ignition time of 1000 CDT on May 15. 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... Partly sunny skies early this morning give way to mostly cloudy skies this afternoon. Outside of scattered sprinkles this afternoon, the best chance of rain arrives after 1900 LT. With rain not arriving until late this evening, relative humidity will be able to drop out to 30% with good mixing. Expect fair to good smoke dispersal in the late morning and afternoon. Strongest wind gusts out of the east up to 12mph, but otherwise sustained winds 6-8mph expected. Light rain tonight lasts into Thursday. A quarter of an inch of rain is forecast by tomorrow. There is a 20% chance of isolated non-severe thunderstorms in the vicinity of the fire site late this evening and through Thursday morning which may result in gusty, erratic wind gusts in this time period. The minimum relative humidity only drops to 55-60% Thursday behind a cold front. Winds shift from southerly in the morning to southwesterly from late morning to early afternoon and then westerly by late afternoon. .REST OF TODAY... Sky/weather.........Mostly cloudy (65-75 percent). Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 72. Min humidity........30 percent. Wind (20 ft)........East winds 6 to 8 mph. Mixing height.......3900 ft AGL increasing to 6500 ft AGL in the afternoon. Transport winds.....Southeast 7 to 10 mph. Smoke dispersal.....Fair (15100-29800 knot-ft) increasing to good (38500-59700 knot-ft) late in the afternoon. Haines Index........4 or 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.......MC MC MC MC MC MC MC MC Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 10 10 10 10 10 LAL.............1 1 1 1 1 1 1 1 Temp............60 63 65 67 69 70 71 70 RH..............49 43 39 37 32 31 30 33 20 FT wind dir..E E E E E E E E 20 FT wind spd..5 5 6 6 6 7 7 8 20 FT wind gust.9 9 9 9 9 11 12 13 Mix hgt (kft)...2.2 3.0 3.9 4.9 5.5 6.1 6.5 6.4 Transp wind dir.SE SE SE SE SE SE SE SE Transp wind spd.8 7 7 7 8 8 9 10 Haines index....4 4 4 4 4 4 4 4 SDspl kt-ft/100020 19 24 30 39 44 53 60 .TONIGHT... Sky/weather.........Mostly cloudy (80-90 percent). Chance of rain showers in the evening, then rain showers and slight chance of thunderstorms overnight. Chance of pcpn......80 percent. LAL.................1 until 0400, then 2. Min temperature.....Around 48. Max humidity........93 percent. Wind (20 ft)........East winds 7 to 9 mph shifting to the southeast 9 to 10 mph after 3 am. Gusty and erratic winds expected near thunderstorms. Mixing height.......4700 ft AGL decreasing to 1400 ft AGL. Transport winds.....East 9 to 15 mph shifting to the south around 15 mph early in the morning. Smoke dispersal.....Good (46700 knot-ft) decreasing to poor to fair (3700-13200 knot-ft). Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. Pcpn amount.........0.24 inches. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky cover.......MCLDY MCLDY MCLDY CLOUDY CLOUDY CLOUDY Weather cov..... S CHC LIKELY LIKELY LIKELY Weather type....NONE NONE RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ S CHC S CHC S CHC Chc of pcpn (%).10 10 20 60 70 60 LAL.............1 1 1 1 1 2 Temp............67 59 51 50 50 48 RH..............36 43 53 61 75 89 20 ft wind......E 9 E 9 NE 8 E 7 E 8 SE 10 20 ft wind gust.14 14 14 13 14 18 Mix hgt (ft)....4700 600 500 500 700 900 Transport wind..SE 12 E 10 E 10 E 9 SE 10 SE 15 Haines index....4 4 4 4 3 3 SDspl kt-ft/100051 5 5 4 7 12 .THURSDAY... Sky/weather.........Mostly cloudy (80-90 percent). Rain showers likely early in the morning. Slight chance of thunderstorms in the morning. Chance of rain showers in the late morning and afternoon. Chance of pcpn......60 percent. LAL.................2 until 1300, then 1. Max temperature.....Around 63. Min humidity........60 percent. Wind (20 ft)........South winds 8 to 10 mph shifting to the southwest around 10 mph in the afternoon. Gusty and erratic winds expected near thunderstorms in the morning. Mixing height.......2700 ft AGL increasing to 2900 ft AGL late in the afternoon. Transport winds.....Southwest 14 to 15 mph shifting to the west 13 to 17 mph in the afternoon. Smoke dispersal.....Poor to fair (10500-27600 knot-ft) increasing to fair to good (29200-39900 knot-ft) in the afternoon. Haines Index........3 or very low potential for large plume dominated fire growth. Pcpn amount.........0.10 inches. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky cover.......CLOUDY CLOUDY CLOUDY MCLDY MCLDY MCLDY Weather cov.....LIKELY LIKELY CHANCE CHANCE CHANCE CHANCE Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........S CHC S CHC S CHC S CHC Chc of pcpn (%).60 60 40 40 40 30 LAL.............2 2 2 2 1 1 Temp............48 49 53 57 61 63 RH..............93 93 92 82 73 66 20 ft wind......SE 9 S 9 S 10 SW 10 SW 10 W 10 20 ft wind gust.16 15 16 16 16 16 Mix hgt (ft)....900 1200 1400 1900 2400 2900 Transport wind..S 14 S 14 SW 15 W 16 W 17 W 15 Haines index....3 3 3 3 3 3 SDspl kt-ft/100011 16 19 28 38 40 $$ Forecaster...Nathan Requested by...Kirby Dernovsek Type of request...PRESCRIBED .TAG 2414216.0/DLH .DELDT 05/15/24 .FormatterVersion 2.0.0 .EMAIL kirby.dernovsek@wisconsin.gov