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Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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109 FNUS75 KRIW 180313 FWSRIW Spot Forecast for Luck Creek...BLM National Weather Service Riverton WY 913 PM MDT Sat Aug 17 2024 Forecast is based on forecast start time of 2100 MDT on August 17. If conditions become unrepresentative, contact the National Weather Service .DISCUSSION... Very isolated showers are possible overnight with the area expected to remain dry. Winds remain light from the west/southwest tonight, although a few weakening outflows may move through the area creating brief gusts near 20 mph. Sunday will see a shift back to the north with winds of 10-15 mph, periodic gusts around 20 mph are possible during the late morning and early afternoon hours. Skies will gradually clear by Sunday morning with dry conditions expected for much of the day. Min RH values range from 20-25% through the afternoon. Precipitation chances are around 0-10% for Sunday, but a few weakening outflows may be possible once again during the afternoon and evening. Better chances for precipitation look to come Monday. ...Thunderstorms imply strong gusty and erratic winds... ...Haines index is high level haines both day and night... .REST OF TONIGHT... Sky/weather.........Mostly cloudy (60-70 percent) then becoming partly cloudy (40-50 percent). CWR.................0 percent. Chance of pcpn......10 percent. LAL.................1. Min temperature.....Around 63. Max humidity........58 percent. Wind (20 ft)........Northeast winds 7 to 8 mph until 2300, then south 8 to 10 mph. Gusts up to 20 mph. Ridgetop wind.......East around 15 mph until 2400. Southwest after 0100. Mixing height.......500 ft AGL. Transport winds.....East around 16 mph until 2300, then south 16 to 17 mph. Smoke dispersal.....Poor. Haines Index........5 decreasing to 3 overnight. TIME (MDT) 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........55 60 65 75 70 70 70 60 45 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 10 10 10 10 10 0 0 LAL.............1 1 1 1 1 1 1 1 1 Temp............81 78 76 74 73 72 71 69 68 RH..............30 35 40 45 46 48 49 52 54 20 FT wind dir..NE NE S SW S S S S SW 20 FT wind spd..8 7 8 8 8 9 8 10 10 20 FT wind gust.13 11 13 13 13 14 13 16 16 Ridge wind dir..NE E E SE SW SW S S S Ridge wind spd..15 15 15 15 15 15 15 15 15 Mix hgt (kft)...0.5 0.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 Transp wind dir.NE E S S S S SW S SW Transp wind spd.16 16 16 17 17 16 16 16 16 Haines index....5 5 5 3 3 3 3 3 3 SDspl kt-ft/10009 10 11 11 9 8 8 8 8 .SUNDAY... Sky/weather.........Sunny (15-25 percent). CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Max temperature.....Around 92. Min humidity........20 percent. Wind (20 ft)........Southwest winds 7 to 9 mph until 0900, then northwest 8 to 11 mph until 1200, then northeast 7 to 11 mph. Gusts up to 20 mph. Ridgetop wind.......Southwest around 15 mph until 0900, then north until 1500, then northeast. Mixing height.......1500 ft AGL until 1000. 10500 ft AGL after 1700. Transport winds.....Southwest 14 to 16 mph until 0900, then north 14 to 18 mph. Smoke dispersal.....Poor until 0900. Very good after 1300. Haines Index........3. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........35 25 20 15 10 5 10 15 20 20 25 25 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............66 63 68 72 78 82 86 88 90 91 92 91 RH..............57 58 51 44 38 32 26 24 22 20 20 20 20 FT wind dir..S S W NW NW N N N N NE NE NE 20 FT wind spd..9 7 8 8 9 11 11 9 8 7 8 7 20 FT wind gust.14 10 12 12 13 16 16 13 12 10 12 10 Ridge wind dir..S S W NW NW N N N N NE NE NE Ridge wind spd..15 15 15 15 15 20 20 15 15 15 15 15 Mix hgt (kft)...0.5 0.5 1.0 1.5 3.0 5.0 6.5 8.5 9.5 10 10 11 Transp wind dir.S S SW N N N N N N N N N Transp wind spd.16 14 15 15 16 18 18 16 15 14 15 14 Haines index....3 3 3 3 3 3 3 3 3 3 3 3 SDspl kt-ft/10007 6 11 19 40 77 105 118 123 122 130 127 .SUNDAY NIGHT... Sky/weather.........Partly cloudy (30-40 percent). CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Min temperature.....Around 66. Max humidity........70 percent. Wind (20 ft)........Northeast winds around 8 mph until 2200. South after 0100. Ridgetop wind.......Northeast around 15 mph until 2300, then south. Mixing height.......10000 ft AGL until 1900. 500 ft AGL after 2000. Transport winds.....Northeast around 15 mph until 2200, then south. Smoke dispersal.....Very good until 1900. Poor after 2000. Haines Index........3. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........30 25 25 25 25 30 30 35 35 40 40 40 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............90 88 84 82 78 76 73 72 71 69 68 68 RH..............20 23 27 30 36 42 46 49 51 55 59 63 20 FT wind dir..NE NE E E E SE SE S S S S S 20 FT wind spd..8 8 8 8 8 8 8 8 8 8 8 8 20 FT wind gust.12 12 12 12 12 12 12 12 12 12 12 12 Ridge wind dir..NE NE E E E SE SE S S S S S Ridge wind spd..15 15 15 15 15 15 15 15 15 15 15 15 Mix hgt (kft)...10 5.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Transp wind dir.NE NE NE E SE SE S S S S S S Transp wind spd.15 15 15 15 15 15 15 15 15 15 15 15 Haines index....3 3 3 3 3 3 3 3 3 3 3 3 SDspl kt-ft/1000133 74 14 8 9 8 6 6 6 6 6 6 .FORECAST DAYS 3 THROUGH 5... .TUESDAY... Mostly clear. Lows in the lower 60s. Highs in the mid 90s. Southwest winds around 8 mph. .WEDNESDAY... Mostly clear. Lows in the lower 60s. Highs in the mid 90s. Southwest winds around 10 mph. .THURSDAY... Partly cloudy. Lows around 60. Highs in the lower 90s. Northwest winds around 10 mph. $$ Forecaster...Dziewaltowski Requested by...Erickson Type of request...WILDFIRE .TAG 2420482.0/RIW .DELDT 08/17/24 .FormatterVersion 2.0.0 .EMAIL cerickson@blm.gov