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Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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753 FNUS75 KRIW 211123 FWSRIW Spot Forecast for Monument RX...USFS National Weather Service Riverton WY 523 AM MDT Sun Jul 21 2024 Forecast is based on ignition time of 0600 MDT on July 21. If conditions become unrepresentative, contact the National Weather Service .DISCUSSION... Convection will be isolated this afternoon, but the threat of lightning is non-zero. The CWR is near zero today through tomorrow. Wind will predominantly be northerly this afternoon, shifting southeasterly this evening. Smoke dispersal will be good this afternoon. RH values will drop to around 25-30% this afternoon. Conditions will be very similar on Monday. ...Thunderstorms imply strong gusty and erratic winds... ...Haines index is high level haines both day and night... .TODAY... Sky/weather.........Mostly sunny (25-35 percent). Haze. CWR.................0 percent. Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 76. Min humidity........27 percent. Wind (20 ft)........Light winds until 1500, then north 6 to 10 mph with gusts around 15 mph. Ridgetop wind.......Light winds until 0700, then southwest around 10 mph until 0800, then light until 0900, then east around 10 mph until 1400, then north. Mixing height.......10500 ft AGL after 1400. Transport winds.....Southeast 7 to 9 mph until 1300, then north 9 to 15 mph. Smoke dispersal.....Poor until 1000. Good early in the morning increasing to very good in the afternoon after 1400. Haines Index........3 to 4. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........25 25 25 25 25 25 25 20 25 20 30 40 Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF Weather type....HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ 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 10 10 10 10 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............52 53 56 59 65 69 71 75 76 76 76 75 RH..............72 74 68 61 54 46 39 33 29 27 27 28 20 FT wind dir..S SW NE E E E E NE N N N N 20 FT wind spd..2 3 2 3 3 3 4 4 5 7 6 8 20 FT wind gust. 5 5 5 5 6 6 7 11 10 13 Ridge wind dir..S SW NE E E E E NE N N N N Ridge wind spd..5 10 5 10 10 10 10 10 10 15 15 15 Mix hgt (kft)...0.1 0.1 0.1 1.5 3.0 5.0 7.0 8.5 9.5 10 11 9.0 Transp wind dir.SE SE SE SE SE SE E N N N N N Transp wind spd.7 8 7 8 8 8 9 9 10 14 13 15 Haines index....3 3 3 3 3 3 4 4 4 4 4 4 SDspl kt-ft/10001 2 1 10 21 35 56 67 84 120 115 118 .TONIGHT... Sky/weather.........Mostly clear (20-30 percent). Haze early in the evening. CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Min temperature.....Around 51. Max humidity........63 percent. Wind (20 ft)........North winds around 7 mph until 1900, then light. Ridgetop wind.......North around 15 mph until 2000, then south. Mixing height.......6500 ft AGL until 1900. Transport winds.....Southeast 8 to 14 mph. Smoke dispersal.....Good until 1900. Poor after 2000. Haines Index........3 to 4. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........30 25 30 20 20 20 20 20 20 20 20 20 Weather cov.....DEF Weather type....HAZ 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............74 73 70 66 63 62 60 59 58 55 54 53 RH..............29 33 35 42 45 47 51 54 55 58 59 60 20 FT wind dir..N N SE S S S S S S S S S 20 FT wind spd..7 6 5 5 4 5 4 4 3 3 3 3 20 FT wind gust.11 10 7 7 6 7 6 6 5 5 5 5 Ridge wind dir..N N SE S S S S S S S S S Ridge wind spd..15 15 10 10 10 10 10 10 10 10 10 10 Mix hgt (kft)...6.5 4.5 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Transp wind dir.SE SE SE E SE SE SE SE SE SE SE SE Transp wind spd.14 13 10 10 9 10 9 9 8 8 8 8 Haines index....4 4 4 4 4 4 3 3 3 3 3 3 SDspl kt-ft/100080 47 6 2 2 2 2 2 1 2 2 2 .MONDAY... Sky/weather.........Sunny (20-30 percent). Haze. CWR.................0 percent. Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 78. Min humidity........25 percent. Wind (20 ft)........Light winds. Ridgetop wind.......Southwest around 10 mph until 0800, then light until 0900, then southeast around 10 mph until 1200, then light until 1300, then north 10 to 15 mph. Mixing height.......1500 ft AGL after 0800 until 1000, then 2500 ft AGL until 1100, then 5000 ft AGL until 1200, then 8000 ft AGL until 1400, then 10000 ft AGL until 1700, then 7500 ft AGL. Transport winds.....Southeast 7 to 8 mph until 1100, then north 7 to 13 mph. Smoke dispersal.....Poor until 1000. Good after 1300. Haines Index........3 increasing to 5 in the afternoon. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........20 20 20 25 25 25 25 25 25 25 25 30 Weather cov..... DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF Weather type.... HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 10 10 10 10 10 10 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............52 53 57 59 65 69 73 75 76 78 77 77 RH..............61 63 58 54 52 45 38 34 29 25 26 26 20 FT wind dir..S SW SE E SE E E N N N NW NW 20 FT wind spd..3 3 2 3 3 3 2 5 4 4 5 6 20 FT wind gust.5 5 5 5 5 7 6 6 7 10 Ridge wind dir..S SW SE E SE E E N N N NW NW Ridge wind spd..10 10 5 10 10 10 5 10 10 10 10 15 Mix hgt (kft)...0.1 0.1 0.5 1.5 2.5 5.0 7.0 8.0 9.0 10 8.5 7.5 Transp wind dir.SE SE SE SE E N N N N N N N Transp wind spd.8 8 7 8 8 8 7 10 9 9 10 13 Haines index....3 3 3 3 3 3 5 5 5 5 5 5 SDspl kt-ft/10002 1 3 10 18 35 44 73 72 80 78 80 .FORECAST DAYS 3 THROUGH 5... .TUESDAY... Mostly clear. Haze in the evening. Isolated showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. Light winds. .WEDNESDAY... Mostly clear. Lows in the lower 50s. Highs in the lower 80s. Light winds. .THURSDAY... Partly cloudy. Scattered showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Light winds. $$ Forecaster...Rowe Requested by...Andrew Daw Type of request...PRESCRIBED .TAG 2418565.1/RIW .DELDT 07/21/24 .FormatterVersion 2.0.0 .EMAIL andrewdaw3@gmail.com