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Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
075 FNUS75 KRIW 201124 FWSRIW Spot Forecast for Monument Rx...USFS National Weather Service Riverton WY 524 AM MDT Sat Jul 20 2024 Forecast is based on ignition time of 0600 MDT on July 20. If conditions become unrepresentative, contact the National Weather Service .DISCUSSION... Clear skies and mainly light and diurnal this morning will give way to increasing clouds around noon and northwest wind of 8-13 mph. Isolated rain showers and thunderstorms will develop around 1200 and linger into the evening, but the CWR remains very low (<5%). Wind will shift northeasterly by 1800 and then easterly by 2100 around 10-15 mph. Smoke dispersal will improve this morning to very good in the afternoon. Chances of showers and thunderstorms will decrease from tomorrow into much of next week. ...Thunderstorms imply strong gusty and erratic winds... ...Haines index is high level haines both day and night... .TODAY... Sky/weather.........Sunny (20-30 percent) then becoming partly cloudy (35 to 45 percent). Areas of smoke through the day. Isolated showers and thunderstorms after 1400. CWR.................0 percent. Chance of pcpn......20 percent. LAL.................1 until 1200, then 2. Max temperature.....Around 77. Min humidity........27 percent. Wind (20 ft)........Light winds until 1400, then northwest 7 to 10 mph with gusts to around 15 mph until 1600, then west around 9 mph with gusts to around 14 mph. Gusty and erratic winds expected near thunderstorms late in the afternoon. Ridgetop wind.......Light winds until 1200, then north 10 to 15 mph until 1500, then west. Mixing height.......2500 ft AGL after 0900 until 1100, then 7000 ft AGL until 1200, then 11000 ft AGL until 1600, then 8000 ft AGL. Transport winds.....East around 7 mph until 0800, then light until 0900, then southeast around 7 mph until 1100, then northwest 8 to 16 mph until 1700, then north around 16 mph. Smoke dispersal.....Poor until 1000. Very good after 1300. Haines Index........5. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........10 10 10 5 5 10 20 35 45 35 45 45 Weather cov.....ARS ARS ARS ARS ARS ARS ARS ARS ARS ARS ARS ARS Weather type....SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK Tstm cov........ ISO ISO ISO ISO CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 10 10 20 20 20 20 LAL.............1 1 1 1 1 1 2 2 2 2 2 2 Temp............54 55 58 61 67 72 75 76 77 75 73 73 RH..............58 61 59 54 46 38 31 28 27 28 31 31 20 FT wind dir..S S N NE NE NE N N N W W NW 20 FT wind spd..2 2 1 2 2 2 3 6 7 8 9 9 20 FT wind gust. 5 8 11 13 14 14 Ridge wind dir..S S N NE NE NE N N N W W NW Ridge wind spd..5 5 5 5 5 5 10 10 15 15 15 15 Mix hgt (kft)...0.1 0.1 0.1 1.0 2.5 7.0 11 11 11 11 8.0 8.0 Transp wind dir.SE E SE SE S NW NW NW NW NW NW N Transp wind spd.7 7 6 7 7 9 8 12 14 15 16 16 Haines index....5 5 5 5 5 5 5 5 5 5 5 5 SDspl kt-ft/10001 1 1 5 15 55 73 109 127 141 114 113 .TONIGHT... Sky/weather.........Partly cloudy (45-55 percent) then becoming mostly clear (5-15 percent). Isolated showers and thunderstorms early in the evening. Areas of smoke early in the evening, then haze. CWR.................2 percent. Chance of pcpn......20 percent. LAL.................2 until 2100, then 1. Min temperature.....Around 50. Max humidity........73 percent. Wind (20 ft)........Northwest winds around 8 mph with gusts to around 13 mph until 1900, then northeast around 9 mph with gusts to around 14 mph until 2000, then light. Gusty and erratic winds expected near thunderstorms early in the evening. Ridgetop wind.......Northwest around 15 mph until 1900, then northeast until 2000, then south until 0100, then southwest. Mixing height.......6500 ft AGL until 1900. Transport winds.....Northwest around 15 mph until 1900, then east 13 to 16 mph until 2100, then southeast 8 to 12 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 (%).........50 60 45 20 20 10 5 5 10 10 5 5 Weather cov.....ARS DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF Weather type....SMK HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ Tstm cov........ISO ISO ISO CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).20 10 0 0 0 0 0 0 0 0 0 0 LAL.............2 2 2 1 1 1 1 1 1 1 1 1 Temp............72 70 67 64 61 59 58 56 57 54 54 52 RH..............34 39 42 52 55 58 61 64 63 65 65 68 20 FT wind dir..NW NE S SE SW SW SW W W W SW SW 20 FT wind spd..8 9 6 6 4 4 4 3 3 3 3 3 20 FT wind gust.13 14 10 8 6 6 6 5 5 5 5 5 Ridge wind dir..NW NE S SE SW SW SW W W W SW SW Ridge wind spd..15 15 15 10 10 10 10 10 10 10 10 10 Mix hgt (kft)...6.5 3.5 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Transp wind dir.NW NE E SE SE SE E SE SE SE S S Transp wind spd.15 16 13 12 9 9 9 8 8 8 8 8 Haines index....4 4 4 4 4 4 3 3 3 3 3 3 SDspl kt-ft/100087 48 6 2 2 2 2 1 1 1 1 2 .SUNDAY... Sky/weather.........Sunny (15-25 percent). Haze in the morning. CWR.................0 percent. Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 76. Min humidity........27 percent. Wind (20 ft)........Light winds. Ridgetop wind.......Southwest around 10 mph until 0800, then light until 1000, then east around 10 mph until 1500, then north. Mixing height.......1000 ft AGL after 0800 until 1000, then 2500 ft AGL until 1100, then 4500 ft AGL until 1200, then 8000 ft AGL until 1500, then 9000 ft AGL until 1700, then 7000 ft AGL. Transport winds.....Southeast 7 to 8 mph until 1100. North 9 to 12 mph after 1400. Smoke dispersal.....Poor until 1000. Good after 1400. Haines Index........3 to 4. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........5 10 5 5 5 5 10 15 15 20 25 30 Weather cov.....DEF DEF DEF DEF DEF DEF DEF Weather type....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............51 52 55 58 63 67 70 72 74 75 75 74 RH..............70 73 66 60 56 47 38 34 31 27 28 29 20 FT wind dir..W SW E E E E E E N N N NE 20 FT wind spd..3 3 2 2 3 3 3 3 4 4 6 6 20 FT wind gust.5 5 5 5 5 5 6 6 8 8 Ridge wind dir..W SW E E E E E E N N N NE Ridge wind spd..10 10 5 5 10 10 10 10 10 10 10 10 Mix hgt (kft)...0.1 0.1 0.5 1.0 2.5 4.5 6.5 7.0 8.0 9.0 8.0 7.0 Transp wind dir.SE SE SE SE E E NE NE N N N NE Transp wind spd.8 8 7 7 8 8 8 8 9 9 12 12 Haines index....3 3 3 3 3 3 4 4 4 4 4 4 SDspl kt-ft/10002 1 2 7 18 31 44 51 66 74 82 72 .FORECAST DAYS 3 THROUGH 5... .MONDAY... Mostly clear. Isolated showers and thunderstorms. Lows in the upper 40s. Highs in the upper 70s. Light winds. .TUESDAY... Mostly clear. Isolated showers and thunderstorms. Lows around 50. Highs around 80. Light winds. .WEDNESDAY... Mostly clear. Lows in the lower 50s. Highs in the lower 80s. Light winds. $$ Forecaster...Hattings Requested by...Xavier Leslie Type of request...PRESCRIBED .TAG 2418483.2/RIW .DELDT 07/20/24 .FormatterVersion 2.0.0 .EMAIL javierleslie1@yahoo.com