Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
998
FNUS75 KRIW 071457
FWSRIW
Spot Forecast for Cross Sabres Ranch...Shoshone NF
National Weather Service Riverton WY
757 AM MST Fri Feb 7 2025
Forecast is based on ignition time of 0800 MST on February 07.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
A winter storm will impact the area today, bringing snow and wind
to the unit. The heaviest snow will fall through the morning
before rates decrease for the afternoon and evening. Total
additional snow accumulation through this evening of 3 to 6
inches. West wind will increase over the next couple of hours,
with gusts approaching 40 mph through the afternoon. Snow will
taper off overnight, with wind decreasing but remaining breezy.
Colder and breezy this weekend with occasional snow showers.
.REST OF TODAY...
Sky/weather.........Mostly cloudy (80-90 percent). Snow and
blowing snow through the day.
CWR.................93 percent decreasing to 30 percent.
Chance of pcpn......90 percent.
Max temperature.....Around 30.
Min humidity........62 percent.
Wind (20 ft)........West winds 14 to 21 mph. Gusts of 35 to near
40 mph after 1100.
Ridgetop wind.......West 20 to 25 mph until 1000, then around 30
mph.
Mixing height.......1500 ft AGL increasing to over 5000 ft AGL
after 1200.
Transport winds.....Southwest 20 to 25 mph becoming west 40 to
50 mph after 1200. After 1600, decreasing to
around 30 mph.
Smoke dispersal.....Poor increasing to excellent by 1200.
Decreasing to fair after 1700.
TIME (MST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........85 90 90 95 90 75 80 90 80 75
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....SN SN SN SN SN SN SN SN SN SN
Tstm cov........
CWR.............90 90 90 60 60 60 60 60 60 30
Chc of pcpn (%).90 90 90 90 90 90 80 80 80 80
Temp............23 24 26 28 29 28 26 25 24 22
RH..............96 92 85 75 69 66 62 65 62 68
20 FT wind dir..W W W W W W W W W W
20 FT wind spd..14 17 18 20 21 21 20 20 19 19
20 FT wind gust.29 31 33 37 38 38 38 38 37 35
Ridge wind dir..W W W W W W W W W W
Ridge wind spd..20 25 30 30 30 30 30 30 30 30
Mix hgt (kft)...1.5 1.5 3.5 4.0 5.0 5.0 5.5 4.5 4.5 2.5
Transp wind dir.SW SW W W W W W W W W
Transp wind spd.22 25 30 35 44 47 49 44 39 29
SDspl kt-ft/100030 38 87 118 184 208 237 177 149 65
.TONIGHT...
Sky/weather.........Mostly cloudy (65-75 percent) then becoming
partly cloudy (45-55 percent). Snow chances
decreasing after midnight.
CWR.................30 percent decreasing to 8 percent late in the
evening.
Chance of pcpn......80 percent.
Min temperature.....Around 7 above.
Max humidity........76 percent.
Wind (20 ft)........West winds 12 to 17 mph decreasing to around
10 mph after 2200.
Ridgetop wind.......West 20 to 25 mph until 2300, then around 15
mph.
Mixing height.......1500 ft AGL.
Transport winds.....West 17 to 26 mph until 2400, then around 16
mph.
Smoke dispersal.....Fair until 1900, then poor.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........70 80 80 70 65 55 55 55 65 70 60 50
Weather cov.....DEF LKY LKY LKY CHC CHC CHC CHC CHC SCH SCH
Weather type....SN SN SN SN SN SN SN SN SN SN SN
Tstm cov........
CWR.............30 30 30 30 30 10 10 10 10 10 10 0
Chc of pcpn (%).80 70 70 60 50 50 40 30 30 20 20 10
Temp............20 19 17 14 14 13 12 11 11 11 11 10
RH..............71 70 73 76 76 73 76 76 73 76 73 73
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..17 16 14 13 11 10 9 9 9 9 9 9
20 FT wind gust.33 30 26 25 21 20 19 18 18 16 17 18
Ridge wind dir..W W W W W W W W W W W W
Ridge wind spd..25 25 20 20 20 15 15 15 15 15 15 15
Mix hgt (kft)...2.0 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.26 24 22 21 18 17 16 16 16 16 16 16
SDspl kt-ft/100043 33 29 28 25 23 22 21 21 21 21 22
.SATURDAY...
Sky/weather.........Mostly sunny (45-55 percent) then becoming
mostly cloudy (65-75 percent).
CWR.................1 percent.
Chance of pcpn......10 percent.
Max temperature.....Around 19.
Min humidity........49 percent.
Wind (20 ft)........West winds 10 to 15 mph with gusts to around 26
mph.
Ridgetop wind.......West 15 to 20 mph until 1200, then 20 to 25
mph.
Mixing height.......1500 ft AGL increasing to over 5000 ft AGL
after 1100.
Transport winds.....West 17 to 26 mph.
Smoke dispersal.....Poor increasing to very good by 1100.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........50 45 55 50 55 70 75 75 75 70 65 65
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).10 10 10 10 10 10 10 0 0 0 0 0
Temp............9 8 9 11 13 16 17 18 18 18 17 16
RH..............76 72 69 63 58 53 51 49 49 49 49 51
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..10 11 11 12 13 14 15 15 15 15 14 13
20 FT wind gust.19 19 20 21 23 25 26 25 25 26 26 25
Ridge wind dir..W W W W W W W W W W W W
Ridge wind spd..15 20 20 20 20 20 25 25 25 25 20 20
Mix hgt (kft)...1.5 1.5 1.5 3.0 4.0 5.0 5.0 5.5 5.5 5.0 4.0 3.5
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.17 18 18 20 22 24 25 25 26 24 22 21
SDspl kt-ft/100024 25 25 50 75 103 114 120 131 104 80 63
.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Mostly cloudy with slight chance of snow. Lows around 7. Highs
around 19. West winds around 11 mph with gusts to around 20 mph.
.MONDAY...
Mostly cloudy. Chance of snow. Lows around 1. Highs around 15.
Southwest winds around 10 mph.
.TUESDAY...
Mostly cloudy. Chance of snow. Lows around 5 below. Highs around
12. Light winds.
$$
Forecaster...Myers
Requested by...Ray Varland
Type of request...PRESCRIBED
.TAG 2502382.1/RIW
.DELDT 02/07/25
.FormatterVersion 2.0.0
.EMAIL matthew.spitek@usda.gov,ray.varland@usda.gov