Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
251
FNUS75 KRIW 140445
FWSRIW
Spot Forecast for Oregon Trail...Casper Interagency Dispatch
National Weather Service Riverton WY
1045 PM MDT Sat Jul 13 2024
Forecast is based on forecast start time of 2300 MDT on July 13.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
Any showers in the area will continue to decrease over the next
couple of hours. Winds will stay breezy through the night gusting
to around 15 mph. Poor humidity recovery is expected tonight, only
rising to around 40 percent. Sunday will be another hot day, with
isolated showers and thunderstorms developing after 1200. This
activity will be mostly dry, with the main threat of strong
outflow wind capable of briefly gusting 50 to 60 mph through the
afternoon and evening.
...Thunderstorms imply strong gusty and erratic winds...
...Haines index is high level haines both day and night...
.REST OF TONIGHT...
Sky/weather.........Mostly cloudy (50-60 percent) then becoming
partly cloudy (45-55 percent).
CWR.................0 percent.
Chance of pcpn......10 percent.
LAL.................1.
Min temperature.....Around 64.
Max humidity........39 percent.
Wind (20 ft)........Southwest 7 to 12 mph with gusts to around 17 mph.
Ridgetop wind.......Southwest 15 to 20 mph.
Mixing height.......500 ft AGL.
Transport winds.....Southwest 14 to 20 mph.
Smoke dispersal.....Poor.
Haines Index........6.
TIME (MDT) 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........55 50 50 50 50 45 45
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0
Chc of pcpn (%).10 10 0 0 0 0 0
LAL.............1 1 1 1 1 1 1
Temp............78 75 72 70 70 68 67
RH..............23 27 31 33 36 32 33
20 FT wind dir..SW SW SW SW SW SW SW
20 FT wind spd..6 7 8 9 11 11 12
20 FT wind gust.14 13 12 13 16 16 17
Ridge wind dir..SW SW SW SW SW SW SW
Ridge wind spd..15 15 15 15 20 20 20
Mix hgt (kft)...0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.SW SW SW SW W SW W
Transp wind spd.14 14 15 16 18 18 20
Haines index....6 6 6 6 6 6 6
SDspl kt-ft/10005 5 6 5 6 6 5
.SUNDAY...
Sky/weather.........Mostly sunny (45-55 percent) then becoming
mostly cloudy (70-80 percent). Isolated showers
and thunderstorms expected after 1200.
CWR.................0 percent.
Chance of pcpn......20 percent.
LAL.................1.
Max temperature.....Around 93.
Min humidity........14 percent.
Wind (20 ft)........West winds 8 to 13 mph with gusts to around 18
mph.
Ridgetop wind.......West 15 to 20 mph.
Mixing height.......Increasing to 14000 ft AGL by 1300.
Transport winds.....West 16 to 21 mph.
Smoke dispersal.....Poor increasing to excellent after 1200.
Haines Index........5 to 6.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........40 35 35 30 40 50 60 65 70 75 75 75
Weather cov..... SCH
Weather type.... RW
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 20
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............66 69 73 78 84 88 90 92 93 92 91 91
RH..............30 35 28 25 22 17 15 14 14 14 15 15
20 FT wind dir..SW SW W W W W W W W SW W W
20 FT wind spd..12 12 13 13 11 10 8 9 9 10 10 10
20 FT wind gust.17 18 18 18 16 14 13 13 14 16 16 14
Ridge wind dir..SW SW W W W W W W W SW W W
Ridge wind spd..20 20 20 20 20 15 15 15 15 15 15 15
Mix hgt (kft)...0.5 0.5 0.5 1.5 4.0 8.0 12 14 14 13 12 12
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.20 20 21 21 18 17 17 16 16 17 20 17
Haines index....5 5 5 5 5 5 6 6 6 6 6 6
SDspl kt-ft/10006 6 9 30 61 122 180 191 193 188 200 177
$$
Forecaster...Myers
Requested by...Shannon
Type of request...WILDFIRE
.TAG 2418001.0/RIW
.DELDT 07/13/24
.FormatterVersion 2.0.0
.EMAIL clane@blm.gov