Suppression Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
003
FNUS75 KRIW 181756
FWSRIW
Spot Forecast for Bear Springs RX...BLM-HPD_CFO
National Weather Service Riverton WY
1156 AM MDT Tue Mar 18 2025
Forecast is based on ignition time of 1200 MDT on March 18.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
Snow will be increasing this afternoon, with accumulations around
2 inches by midnight tonight. North winds will also be increasing
this afternoon, with gusts 30 to 35 mph through this evening.
Snow will taper off through the overnight hours, with only a few
flurries Wednesday morning. Winds will also decrease overnight,
with north winds around 10 mph gusting 15 to 20 early Wednesday
morning. Skies will gradually clear during the afternoon, with
temperatures in the upper 20s and lower 30s.
Second spot request received, and will be filled by 0600
Wednesday.
.REST OF TODAY...
Sky/weather.........Cloudy (90-100 percent). Snow showers
likely.
CWR.................52 percent.
Chance of pcpn......70 percent.
Chance of thunder...7 percent.
Max temperature.....Around 40.
Min humidity........49 percent.
Wind (20 ft)........North winds 10 to 17 mph. Gusts up to 28 mph
increasing to 31 mph late in the afternoon.
Ridgetop wind.......Northwest 15 to 20 mph until 1500, then north
around 25 mph.
Mixing height.......4000 ft AGL.
Transport winds.....Northwest 22 to 30 mph until 1600, then north
31 to 32 mph.
Smoke dispersal.....Fair early in the morning increasing to good in
the afternoon .
TIME (MDT) 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........90 95 95 95 95 95
Weather cov.....CHC CHC LKY LKY LKY CHC
Weather type....SW SW SW SW SW SW
Tstm cov........
CWR.............50 50 50 50 50 50
Chc of pcpn (%).30 50 60 60 70 50
Chc of thdr (%).10 10 10 10 10 10
Temp............33 33 33 32 30 29
RH..............95 94 92 83 73 73
20 FT wind dir..NW NW N N N N
20 FT wind spd..10 11 13 15 17 16
20 FT wind gust.16 17 19 22 25 24
Ridge wind dir..NW NW N N N N
Ridge wind spd..15 20 20 25 25 25
Mix hgt (kft)...3.0 3.0 4.0 4.0 4.0 3.5
Transp wind dir.NW N N N N N
Transp wind spd.22 26 28 30 32 31
SDspl kt-ft/100057 71 92 107 114 96
.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Snow showers likely late
in the evening, then chance of snow showers
overnight.
CWR.................21 percent.
Chance of pcpn......60 percent.
Chance of thunder...5 percent.
Min temperature.....Around 22.
Max humidity........87 percent.
Wind (20 ft)........North winds 7 to 15 mph with gusts to around 22
mph until 0200, then light.
Ridgetop wind.......North 15 to 20 mph until 0200, then northwest
10 to 15 mph.
Mixing height.......1500 ft AGL until 0300, then 1000 ft AGL.
Transport winds.....North 21 to 30 mph until 2400, then 13 to 18
mph.
Smoke dispersal.....Good early in the evening decreasing to fair
late in the night until 2300. Poor after 0200.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........95 95 90 90 90 90 90 90 85 85 85 85
Weather cov.....CHC CHC CHC CHC LKY LKY CHC CHC CHC CHC CHC CHC
Weather type....SW SW SW SW SW SW SW SW SW SW SW SW
Tstm cov........
CWR.............20 20 20 20 20 20 10 10 10 10 10 10
Chc of pcpn (%).40 40 30 50 60 60 50 50 50 40 40 30
Chc of thdr (%).10 10 10 10 10 10 10 10 10 0 0 0
Temp............28 26 25 24 23 22 22 22 22 22 22 22
RH..............73 75 77 79 80 80 80 79 78 77 76 76
20 FT wind dir..N N N N N N N N NW W W NW
20 FT wind spd..15 14 13 13 13 11 10 7 6 4 5 6
20 FT wind gust.22 21 19 19 21 20 18 14 11 10 12 17
Ridge wind dir..N N N N N N N N NW W W NW
Ridge wind spd..20 20 20 20 20 20 15 15 10 10 10 15
Mix hgt (kft)...3.0 3.0 3.0 2.5 2.5 2.0 2.0 2.0 1.5 1.0 1.0 1.5
Transp wind dir.N N N N N N N N N N NW NW
Transp wind spd.30 25 23 23 23 21 18 18 14 13 14 15
SDspl kt-ft/100083 69 57 51 54 36 31 29 20 12 14 18
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80 percent) then becoming
mostly sunny (25-35 percent). Slight chance of
snow showers early in the morning.
CWR.................0 percent.
Chance of pcpn......20 percent.
Chance of thunder...1 percent.
Max temperature.....Around 35.
Min humidity........35 percent.
Wind (20 ft)........Northwest winds 7 to 13 mph with gusts to
around 19 mph.
Ridgetop wind.......Northwest 15 to 20 mph.
Mixing height.......2000 ft AGL until 0900. 5500 ft AGL after 1200.
Transport winds.....Northwest 14 to 22 mph until 1700, then west
around 18 mph.
Smoke dispersal.....Poor until 0700. Good early in the morning
increasing to very good in the afternoon after
1100.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........85 75 65 60 50 40 30 25 15 10 10 5
Weather cov.....SCH
Weather type....SW
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).20 10 10 10 0 0 0 0 0 0 0 0
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............22 23 23 24 25 27 28 30 31 33 33 34
RH..............74 73 70 66 61 56 50 46 42 39 37 36
20 FT wind dir..NW NW NW NW NW NW NW NW NW NW W W
20 FT wind spd..8 8 7 7 9 11 13 13 13 12 11 11
20 FT wind gust.19 18 16 13 13 14 14 14 14 14 14 14
Ridge wind dir..NW NW NW NW NW NW NW NW NW NW W W
Ridge wind spd..15 15 15 15 15 20 20 20 20 20 20 20
Mix hgt (kft)...1.0 1.5 2.0 3.0 3.5 4.5 5.0 5.5 5.5 5.5 4.5 4.0
Transp wind dir.NW NW NW NW NW NW NW NW W W W W
Transp wind spd.15 17 16 14 16 18 21 21 21 22 21 18
SDspl kt-ft/100011 25 28 34 50 71 94 96 98 105 85 62
.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
Partly cloudy. Lows in the mid 20s. Highs in the mid 40s.
Southwest winds around 16 mph.
.FRIDAY...
Partly cloudy. Slight chance of snow showers. Lows in the mid
20s. Highs in the lower 40s. West winds around 14 mph.
.SATURDAY...
Mostly cloudy with chance of snow showers. Lows in the lower 30s.
Highs in the upper 40s. Southwest winds around 19 mph.
$$
Forecaster...Straub
Requested by...Bailey Cady
Type of request...PRESCRIBED
.TAG 2506934.0/RIW
.DELDT 03/18/25
.FormatterVersion 2.0.0
.EMAIL bcady@blm.gov