Spot Forecast
Issued by NWS Bismarck, ND
Issued by NWS Bismarck, ND
Versions:
1
991 FNUS73 KBIS 011057 FWSBIS Spot Forecast for Northwestern WPA...US FWS National Weather Service Bismarck ND 557 AM CDT Sat Jun 1 2024 Forecast is based on ignition time of 1100 CDT on June 01. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Mostly sunny today with winds out of the west northwest at around 10 mph. The weather will be dry until increasing chances for showers late tonight into the day Sunday. .REST OF TODAY... Sky/weather.........Sunny. CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Max temperature.....Around 70. Min humidity........28 percent. Wind (20 ft)........West winds 10 to 12 mph. Mixing height.......7600 ft AGL. Transport winds.....West 17 to 21 mph. Smoke dispersal.....Good (64500 knot-ft) early in the morning increasing to very good (131000 knot-ft) in the afternoon. Haines Index........5 moderate potential for large plume dominated fire growth. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........1 2 2 2 3 2 2 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 Temp............63 65 66 67 69 69 69 RH..............44 37 34 32 30 30 28 20 FT wind dir..NW W W W W W W 20 FT wind spd..12 12 12 12 11 11 10 20 FT wind gust.18 18 18 17 17 15 14 Mix hgt (kft)...3.8 5.3 6.4 7.3 7.6 7.4 7.1 Transp wind dir.W W W W W W W Transp wind spd.20 21 21 21 20 18 17 Haines index....6 5 5 5 5 5 5 Dispr kt-ft/1K..65 96 115 131 129 119 107 .TONIGHT... Sky/weather.........Mostly clear. Slight chance of showers and thunderstorms overnight. CWR.................0 percent. Chance of pcpn......20 percent. LAL.................1 until 0200, then 2. Min temperature.....Around 51. Max humidity........84 percent. Wind (20 ft)........West winds 5 to 9 mph shifting to the southeast 5 to 10 mph in the late evening and overnight. Gusty and erratic winds expected near thunderstorms overnight. Mixing height.......300 ft AGL. Transport winds.....West 8 to 16 mph shifting to the south 6 to 13 mph late in the evening, then increasing to 16 to 17 mph overnight. Smoke dispersal.....Good (92600 knot-ft) early in the evening decreasing to poor (1700 knot-ft) late in the night. Haines Index........5 or moderate potential for large plume dominated fire growth. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........2 3 18 24 25 24 21 23 23 32 28 27 Weather cov..... SCH SCH SCH SCH Weather type.... RW RW RW RW Tstm cov........ SCH SCH SCH SCH CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 10 10 10 20 20 20 20 LAL.............1 1 1 1 1 1 1 2 2 2 2 2 Temp............69 70 67 61 58 56 55 54 53 53 53 52 RH..............28 30 37 46 49 55 55 54 59 61 66 71 20 FT wind dir..W W W W SE SE SE SE S SE SE SE 20 FT wind spd..9 7 5 5 5 5 6 7 8 9 9 10 20 FT wind gust.13 12 10 9 8 9 10 12 13 13 14 15 Mix hgt (kft)...6.6 5.1 1.2 0.7 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.4 Transp wind dir.W W W SW SE S S S S S S S Transp wind spd.16 13 8 6 7 9 13 16 16 16 16 17 Haines index....5 5 5 5 5 5 5 5 5 5 5 5 Dispr kt-ft/1K..93 56 9 4 2 2 4 5 5 5 5 6 .SUNDAY... Sky/weather.........Mostly sunny then becoming mostly cloudy. Chance of showers and thunderstorms in the morning, then rain showers with thunderstorms likely in the afternoon. CWR.................0 percent increasing to 84 percent. Chance of pcpn......90 percent. LAL.................2 until 1000, then 3 until 1600, then 4. Max temperature.....Around 74. Min humidity........64 percent. Wind (20 ft)........South winds 11 to 14 mph. Gusty and erratic winds expected near thunderstorms. Mixing height.......3600 ft AGL. Transport winds.....South 18 to 26 mph increasing to 28 to 30 mph late in the afternoon. Smoke dispersal.....Poor (6300 knot-ft) early in the morning increasing to good (83400 knot-ft) in the afternoon. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. TIME (CDT) 6 AM 9 AM NOON 3 PM Sky (%).........40 39 43 65 Weather cov.....S CHC CHANCE CHANCE DEFNTE Weather type....RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........S CHC S CHC CHANCE CHANCE CWR.............0 10 10 80 Chc of pcpn (%).20 40 40 90 LAL.............2 2 3 3 Temp............51 60 70 72 RH..............77 84 69 64 20 FT wind......SE 11G17 S 13G19 S 14G20 S 13G18 Mix hgt (ft)....400 1200 2900 3200 Transport wind..S 18 S 22 S 25 S 30 Haines index....4 4 3 3 Dispr kt-ft/1K..6 23 64 82 $$ Forecaster...HEINERT Requested by...Jeff Dion Type of request...PRESCRIBED .TAG 2415415.0/BIS .Dealt 06/01/24 .FormatterVersion 2.0.0 .EMAIL jeff_dion