Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
Versions:
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506 FNUS75 KRIW 271516 FWSRIW Spot Forecast for S130 practical...Sublette County unified Fire National Weather Service Riverton WY 916 AM MDT Sat Apr 27 2024 Forecast is based on ignition time of 1000 MDT on April 27. If conditions become unrepresentative, contact the National Weather Service .DISCUSSION... Isolated rain showers this morning into late afternoon before chances diminish there after into the evening and overnight hours. Total precipitation accumulation expected up to .1 inches of liquid rain with its sporadic nature. Southeast winds 10-20 mph throughout the afternoon before diminishing to around 10 mph or less after sunset and overnight into Sunday morning. Cloudy skies this afternoon before becoming mostly cloudy overnight with more sun than clouds expected for Sunday. Temperatures into the 50s this afternoon dropping into the 20s overnight with similar conditions for Sunday. Relative humidity will remain elevated due to the ample moisture and precipitation. ...Thunderstorms imply strong gusty and erratic winds... ...Haines index is high level haines both day and night... .REST OF TODAY... Sky/weather.........Cloudy (85-95 percent). Scattered rain showers. CWR.................7 percent. Chance of pcpn......50 percent. LAL.................1. Max temperature.....Around 50. Min humidity........46 percent. Wind (20 ft)........Southeast winds 10 to 13 mph with gusts to around 19 mph. Ridgetop wind.......Southeast around 20 mph. Mixing height.......2000 ft AGL increasing to 3800 ft AGL in the afternoon. Transport winds.....East 18 to 21 mph. Smoke dispersal.....Poor (35300 knot-ft) early in the morning increasing to good (61600 knot-ft) in the afternoon. Haines Index........2 or very low potential for large plume dominated fire growth. TIME (MDT) 10 AM 1 PM 4 PM Sky (%).........90 95 91 Weather cov.....SCTTRD SCTTRD SCTTRD Weather type....RNSHWR RNSHWR RNSHWR Tstm cov........ CWR.............10 10 10 Chc of pcpn (%).40 50 50 LAL.............1 1 1 Temp............42 45 50 RH..............73 60 46 20 FT wind......SE 13G19 SE 11G17 SE 10G16 Ridgetop wind...SE 20 SE 20 SE 20 Mix hgt (ft)....2000 3200 3800 Transport wind..SE 21 E 20 E 18 Haines index....2 2 2 SDspl kt-ft/100035 54 62 .FORECAST DAYS 3 THROUGH 5... .MONDAY... Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 20s. Highs in the mid 50s. West winds around 11 mph. .TUESDAY... Partly cloudy. Slight chance of showers and snow showers. Lows in the lower 20s. Highs around 50. West winds around 14 mph. .WEDNESDAY... Mostly cloudy. Slight chance of showers and snow showers. Lows in the mid 20s. Highs around 50. Northwest winds around 9 mph. $$ Forecaster...Lowe Requested by...Justin Hamilton Type of request...PRESCRIBED .TAG 2412603.0/RIW .DELDT 04/27/24 .FormatterVersion 2.0.0 .EMAIL justin.hamilton@sublettefire.com