Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
590
FNUS75 KRIW 190016
FWSRIW
Spot Forecast for Livingston Draw...BLM
National Weather Service Riverton WY
616 PM MDT Wed Sep 18 2024
Forecast is based on forecast start time of 1800 MDT on September 18.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
A northwest wind gusting 20 to 25 mph will continue through
around midnight. Wind will then become lighter and more variable
though favoring out of the west through the night. Light rain
showers will continue in the area through the evening, ending
overnight. Thursday will be dry, with a breezy northwest wind
developing after 0900. Gusts of 20 to 25 are expected before noon,
decreasing slightly through the afternoon.
...Thunderstorms imply strong gusty and erratic winds...
...Haines index is high level haines both day and night...
.TONIGHT...
Sky/weather.........Mostly cloudy (65-75 percent) then becoming
partly cloudy (40-50 percent). Isolated rain
showers early in the evening.
CWR.................0 percent.
Chance of pcpn......20 percent.
LAL.................1.
Min temperature.....Around 50.
Max humidity........69 percent.
Wind (20 ft)........Northwest winds 9 to 16 mph with gusts to
around 22 mph until 0100, then west to
southwest around 9 mph.
Ridgetop wind.......Northwest 20 to 25 mph until 2400, then
southwest around 15 mph.
Mixing height.......2000 ft AGL until 2000, then 500 ft AGL.
Transport winds.....Northwest 20 to 25 mph until 2300, then
west around 16 mph.
Smoke dispersal.....Decreasing to poor after 1900.
Haines Index........2.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........65 80 65 60 55 60 55 50 60 55 50 35
Weather cov.....ISO ISO
Weather type....RW RW
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).20 20 10 10 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............63 62 61 60 59 58 58 57 55 56 53 53
RH..............52 51 56 54 53 54 53 52 56 63 61 69
20 FT wind dir..NW NW NW NW NW NW W W SW SW SW W
20 FT wind spd..14 14 14 12 16 13 9 9 9 9 9 9
20 FT wind gust.21 21 21 17 22 18 13 13 13 13 13 13
Ridge wind dir..NW NW NW NW NW NW W W SW SW SW W
Ridge wind spd..20 20 20 20 25 20 15 15 15 15 15 15
Mix hgt (kft)...3.5 2.0 1.5 1.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.NW NW NW NW NW W W W W W W W
Transp wind spd.24 22 22 20 24 21 16 16 16 16 16 16
Haines index....2 2 2 2 2 2 2 2 2 2 2 2
SDspl kt-ft/100078 34 25 14 16 12 10 9 9 10 9 9
.THURSDAY...
Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 75.
Min humidity........25 percent.
Wind (20 ft)........Northwest winds 8 to 17 mph with gusts to
around 23 mph until 1600, then north 8 to 9
mph.
Ridgetop wind.......West around 15 mph until 0900, then northwest
20 to 25 mph until 1500, then around 15 mph.
Mixing height.......Around 500 ft AGL increasing to 7500 ft AGL
by 1400.
Transport winds.....Northwest 15 to 25 mph until 1500, then west.
Smoke dispersal.....Poor increasing to very good by 1100.
Haines Index........2.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........40 30 10 5 0 5 0 15 25 15 15 10
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............51 50 53 60 65 69 71 72 72 74 75 74
RH..............66 67 59 48 40 35 31 32 31 29 25 25
20 FT wind dir..W W W NW NW NW NW NW NW NW NW N
20 FT wind spd..8 8 9 15 17 16 15 14 12 9 9 8
20 FT wind gust.12 12 13 20 23 22 21 19 17 13 13 12
Ridge wind dir..W W W NW NW NW NW NW NW NW NW N
Ridge wind spd..15 15 15 25 25 25 25 20 20 15 15 15
Mix hgt (kft)...0.5 1.0 1.5 3.0 4.0 5.0 6.5 7.0 7.5 8.0 7.5 7.0
Transp wind dir.NW NW NW NW NW NW NW NW NW W W W
Transp wind spd.15 15 16 23 25 24 23 22 20 16 16 15
Haines index....2 2 2 2 2 2 2 2 2 2 2 2
SDspl kt-ft/10009 11 18 56 86 107 127 136 131 113 107 91
.THURSDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 49.
Max humidity........66 percent.
Wind (20 ft)........North winds 7 to 8 mph until 2000, then light.
Ridgetop wind.......Northeast around 15 mph until 2200, then
southeast until 0500, then south.
Mixing height.......5000 ft AGL until 1900, then 500 ft AGL.
Transport winds.....North 13 to 15 mph until 2100. South 12 to 13
mph after 0100.
Smoke dispersal.....Good until 1900, then poor.
Haines Index........3.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........5 10 10 5 5 5 5 5 5 5 5 10
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............73 70 66 63 60 59 57 56 54 54 53 51
RH..............26 31 39 42 45 47 49 51 55 61 56 61
20 FT wind dir..N N NE NE E E SE SE SE SE SE S
20 FT wind spd..8 7 6 6 6 6 6 6 6 6 6 6
20 FT wind gust.12 10 10 10 10 10 8 7 7 7 7 8
Ridge wind dir..N N NE NE E E SE SE SE SE SE S
Ridge wind spd..15 15 15 15 15 15 10 10 10 10 10 15
Mix hgt (kft)...5.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.N N NE NE E E E SE S S S S
Transp wind spd.15 14 13 13 13 13 12 12 12 12 12 13
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
SDspl kt-ft/100063 9 6 6 6 6 6 5 6 6 6 6
.FRIDAY...
Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 82.
Min humidity........18 percent.
Wind (20 ft)........Light winds until 1500, then north 7 to 9 mph.
Gusts up to 21 mph.
Ridgetop wind.......South around 15 mph until 1100, then northwest
until 1700, then north.
Mixing height.......1000 ft AGL until 1000, then 4000 ft AGL until
1200, then 7000 ft AGL until 1400, then 10000
ft AGL until 1600, then 8000 ft AGL until 1700,
then 6000 ft AGL.
Transport winds.....South around 13 mph until 1100, then west 12 to
16 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 (%).........10 5 5 0 5 5 5 5 10 10 10 10
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............49 51 54 58 63 69 74 77 79 80 80 79
RH..............66 59 53 46 38 31 25 21 18 17 16 17
20 FT wind dir..S S S S SW W NW NW N N N N
20 FT wind spd..6 6 6 6 6 6 6 6 6 7 8 9
20 FT wind gust.10 10 10 10 10 10 10 12 14 16 17 16
Ridge wind dir..S S S S SW W NW NW N N N N
Ridge wind spd..15 15 15 15 15 10 10 10 15 15 15 15
Mix hgt (kft)...0.5 0.5 1.0 1.0 2.5 4.0 5.5 7.0 8.5 10 8.0 6.0
Transp wind dir.S S S S SW W W W W W W NW
Transp wind spd.13 13 13 13 13 12 12 12 13 14 15 16
Haines index....4 4 4 4 4 4 3 3 3 3 3 3
SDspl kt-ft/10006 7 8 10 26 39 54 69 93 120 106 87
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...
Cooler. Partly cloudy. Lows in the upper 40s. Highs in the upper
60s. North winds around 10 mph.
.SUNDAY...
Partly cloudy. Lows in the mid 40s. Highs in the lower 70s.
Southeast winds around 9 mph.
.MONDAY...
Partly cloudy. Slight chance of showers. Lows in the mid 40s.
Highs around 70. Southwest winds around 9 mph.
$$
Forecaster...Myers
Requested by...Isaac Bayer
Type of request...WILDFIRE
.TAG 2422651.3/RIW
.DELDT 09/18/24
.FormatterVersion 2.0.0
.EMAIL wycpc@firenet.gov