Spot Forecast
Issued by NWS Bismarck, ND
Issued by NWS Bismarck, ND
264 FNUS73 KBIS 201149 FWSBIS Spot Forecast for Ghylin...USFWS National Weather Service Bismarck ND 649 AM CDT Mon May 20 2024 Forecast is based on ignition time of 0900 CDT on May 20. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Look for partly to mostly cloudy skies today with a northwest wind 15 mph at ignition time with gust to around 25 mph, continuing through early afternoon. Winds should then diminish a bit mid to late afternoon and shift to the north. The forecast high is 65 degrees. Poor smoke dispersal this morning will increase to good in the afternoon. At max heating this afternoon the mixing height is expected to be near 6700 feet. .REST OF TODAY... Sky/weather.........Partly sunny. CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Max temperature.....Around 65. Min humidity........43 percent. Wind (20 ft)........Northwest winds around 15 mph at ignition time. Gusts up to 25 mph in the morning and early afternoon. Winds then diminishing and shifting to the north mid to late afternoon. Mixing height.......6700 ft AGL. Transport winds.....Northwest 12 to 17 mph. Smoke dispersal.....Poor (22800 knot-ft) early in the morning increasing to good (78000 knot-ft) in the afternoon. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........70 66 64 61 58 60 61 62 69 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 Temp............45 49 55 57 58 61 63 64 64 RH..............93 82 69 64 59 53 46 43 43 20 FT wind dir..NW NW NW NW NW NW NW N N 20 FT wind spd..15 15 14 13 12 11 10 9 8 20 FT wind gust.22 24 22 19 17 15 14 14 12 Mix hgt (kft)...1.9 3.0 3.6 4.2 4.8 5.4 6.0 6.5 6.7 Transp wind dir.NW NW NW NW NW NW N N N Transp wind spd.14 15 16 16 17 16 15 13 12 Haines index....3 3 3 3 3 3 3 3 4 Dispr kt-ft/1K..23 39 51 59 72 76 78 72 67 .TONIGHT... Sky/weather.........Mostly cloudy. CWR.................0 percent. Chance of pcpn......10 percent. LAL.................1. Min temperature.....Around 44. Max humidity........86 percent. Wind (20 ft)........North winds 5 to 7 mph shifting to the northeast around 5 mph in the late evening and overnight. Mixing height.......300 ft AGL. Transport winds.....North 6 to 10 mph shifting to the east 6 to 9 mph in the late evening and overnight. Smoke dispersal.....Fair (59600 knot-ft) early in the evening decreasing to poor (2200 knot-ft) late in the night. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........75 80 76 71 71 75 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ CWR.............0 0 0 0 0 0 Chc of pcpn (%).0 0 0 10 10 10 LAL.............1 1 1 1 1 1 Temp............63 61 54 51 48 46 RH..............44 49 64 71 80 83 20 ft wind......N 7 N 5 NE 5 NE 5 NE 5 E 5 20 ft wind gust.10 8 8 8 8 9 Mix hgt (ft)....6600 1400 500 300 300 300 Transport wind..N 10 N 7 NE 6 NE 9 E 9 E 8 Haines index....4 5 5 5 5 4 Dispr kt-ft/1K..60 8 2 3 3 2 .TUESDAY... Sky/weather.........Mostly cloudy. Slight chance of rain showers in the late morning and afternoon. CWR.................0 percent. Chance of pcpn......20 percent. LAL.................1. Max temperature.....Around 65. Min humidity........43 percent. Wind (20 ft)........East winds 5 to 11 mph shifting to the northeast around 12 mph late in the afternoon. Mixing height.......6700 ft AGL. Transport winds.....East 9 to 14 mph shifting to the northeast in the afternoon. Smoke dispersal.....Poor (2200 knot-ft) early in the morning increasing to good (80500 knot-ft) in the afternoon. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. TIME (CDT) 6 AM 9 AM NOON 3 PM Sky (%).........70 70 74 74 Weather cov..... S CHC S CHC Weather type....NONE NONE RNSHWR RNSHWR Tstm cov........ CWR.............0 0 0 0 Chc of pcpn (%).10 10 20 20 LAL.............1 1 1 1 Temp............45 53 60 64 RH..............86 74 55 43 20 FT wind......E 5G10 E 7G11 NE 11G14 NE 12G18 Mix hgt (ft)....300 1600 5100 6500 Transport wind..E 9 E 10 NE 14 NE 14 Haines index....5 4 4 5 Dispr kt-ft/1K..2 14 59 79 $$ Forecaster...HAMILTON Requested by...Mireles Type of request...PRESCRIBED .TAG 2414709.0/BIS .DELDT 05/20/24 .FormatterVersion 2.0.0 .EMAIL Dustin_mireles@fws.gov