Spot Forecast
Issued by NWS Bismarck, ND
Issued by NWS Bismarck, ND
183 FNUS73 KBIS 210915 FWSBIS Spot Forecast for Hb-44/45...US FWS National Weather Service Bismarck ND 415 AM CDT Tue May 21 2024 Forecast is based on ignition time of 1000 CDT on May 21. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Mostly cloudy skies are expected at the burn site today, with west to northwest winds. Minimum relative humidity values are expected to dip to around 40 percent. A light rain shower is possible in the afternoon. Variable and gusty winds will be possible around any rain shower. Mostly sunny and quiet weather is expected at the burn site on Wednesday, with minimum humidity values again around 40 percent and a northwest wind becoming northerly in the late afternoon. .TODAY... Sky/weather.........Partly sunny. Slight chance of rain showers in the afternoon. CWR.................5 percent. Chance of pcpn......20 percent. LAL.................1. Max temperature.....Around 64. Min humidity........40 percent. Wind (20 ft)........West winds 7 to 12 mph shifting to the northwest 10 to 13 mph late in the afternoon. Mixing height.......7200 ft AGL. Transport winds.....West 12 to 16 mph. Smoke dispersal.....Poor early in the morning increasing to very good in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........47 50 54 58 58 59 60 58 Weather cov..... SCH SCH SCH Weather type.... RW RW RW CWR.............0 0 0 0 0 5 5 5 Chc of pcpn (%).0 0 0 0 0 20 20 20 LAL.............1 1 1 1 1 1 1 1 Temp............56 59 60 62 62 63 62 62 RH..............62 53 49 45 43 41 40 40 20 FT wind dir..W W W W W W WNW NW 20 FT wind spd..5 7 9 11 11 11 12 13 20 FT wind gust.9 11 12 14 14 14 15 17 Mix hgt (kft)...2.9 5.0 6.3 7.0 7.2 6.5 6.4 6.7 Transp wind dir.W W W W W W W W Transp wind spd.12 12 13 14 15 15 16 18 Haines index....5 5 5 5 5 5 5 5 .TONIGHT... Sky/weather.........Mostly cloudy then becoming partly cloudy. CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Min temperature.....Around 37. Max humidity........100 percent. Wind (20 ft)........Northwest winds 5 to 12 mph. Mixing height.......400 ft AGL. Transport winds.....Northwest 10 to 17 mph. Smoke dispersal.....Good (98100 knot-ft) early in the evening decreasing to poor (3800 knot-ft) late in the night. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Mostly sunny. CWR.................0 percent. Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 62. Min humidity........40 percent. Wind (20 ft)........Northwest winds 6 to 9 mph shifting to the north around 8 to 11 mph late in the afternoon. Mixing height.......5600 ft AGL. Transport winds.....Northwest 12 to 15 mph. Smoke dispersal.....Good. Haines Index........3 to 5 or very low to moderate potential for large plume dominated fire growth. $$ Forecaster...SCHILD Requested by...Calvin Type of request...PRESCRIBED .TAG 2414449.1/BIS .DELDT 05/21/24 .FormatterVersion 2.0.0 .EMAIL calvin_moldenhauer@fws.gov