Suppression Forecast
Issued by NWS Riverton, WY

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4
422
FNUS75 KRIW 181209
FWSRIW

Spot Forecast for Bear Springs Juniper Treatment...BLM-WY-HPD
National Weather Service Riverton WY
609 AM MDT Fri Apr 18 2025

Forecast is based on ignition time of 0700 MDT on April 18.
If conditions become unrepresentative, contact the National Weather
Service

.DISCUSSION...

Light to moderate snow showers will continue this morning before
gradually tapering off during the afternoon. Additional snow
accumulation of 2 to 3 inches is possible today. Gusty north winds
will gradually decrease through the day, gusting to 35 mph in the
morning and around 25 mph in the afternoon.

Conditions will be much improved for Saturday, with nearly clear
skies and no chance for precipitation. Winds will switch back
from the southwest in the morning and will remain light around 5
mph. A few gusts around 10 mph are expected during the afternoon.
Light winds and cool temperatures will keep smoke dispersal poor
through the day.

.REST OF TODAY...

Sky/weather.........Cloudy (85-95 percent). Snow showers in the
                    morning. Scattered snow showers in the
                    afternoon.
CWR.................69 percent decreasing to 3 percent in the
                    afternoon.
Chance of pcpn......80 percent.
Chance of thunder...5 percent.
Max temperature.....Around 31.
Min humidity........69 percent.
Wind (20 ft)........Northeast winds 10 to 17 mph. Gusts up to 35
                    mph decreasing to 25 mph late in the afternoon.
Ridgetop wind.......Northeast 20 to 25 mph until 1700, then around
                    15 mph.
Mixing height.......2000 ft AGL until 1000, then 3500 ft AGL.
Transport winds.....Northeast 17 to 25 mph.
Smoke dispersal.....Poor until 0800. Fair early in the morning
                    increasing to good in the afternoon after 0900.

TIME (MDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........100 95  95  95  95  90  85  80  75  80  80
Weather cov.....DEF DEF NUM NUM SCT SCT SCT SCT SCT ISO ISO
Weather type....SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Tstm cov........
CWR.............70  70  70  70  70  0   0   0   0   0   0
Chc of pcpn (%).80  80  70  60  50  40  30  30  30  20  20
Chc of thdr (%).0   0   0   0   0   10  10  10  0   0   0
Temp............21  22  22  24  26  28  28  28  29  30  30
RH..............96  96  96  92  85  78  75  75  75  69  69
20 FT wind dir..NE  NE  NE  NE  NE  NE  NE  N   N   NE  NE
20 FT wind spd..17  17  17  17  16  14  14  13  12  11  10
20 FT wind gust.28  28  28  26  25  24  23  23  22  20  18
Ridge wind dir..NE  NE  NE  NE  NE  NE  NE  N   N   NE  NE
Ridge wind spd..25  25  25  25  25  20  20  20  20  20  15
Mix hgt (kft)...0.5 1.5 2.0 2.5 3.0 3.0 3.5 3.5 3.5 3.5 3.0
Transp wind dir.NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
Transp wind spd.25  25  25  25  24  22  22  21  20  18  17
SDspl kt-ft/100013  33  49  53  64  62  65  62  59  55  45

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    partly cloudy (40-50 percent).
CWR.................0 percent.
Chance of pcpn......10 percent.
Chance of thunder...4 percent.
Min temperature.....Around 12.
Max humidity........84 percent.
Wind (20 ft)........Northeast winds around 9 mph with gusts to
                    around 17 mph until 1900, then light.
Ridgetop wind.......Northeast 10 to 15 mph until 2100, then south.
Mixing height.......500 ft AGL.
Transport winds.....Northeast 12 to 16 mph until 2200. South around
                    12 mph after 2400.
Smoke dispersal.....Poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........75  70  60  50  45  50  50  40  40  40  40  40
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  0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............28  24  24  20  21  19  18  17  17  16  14  14
RH..............75  84  77  84  74  74  67  70  70  70  76  76
20 FT wind dir..NE  NE  NE  SE  S   S   S   S   S   S   S   S
20 FT wind spd..9   6   6   6   6   5   6   6   6   6   6   6
20 FT wind gust.17  13  11  10  10  8   10  11  13  8   7   7
Ridge wind dir..NE  NE  NE  SE  S   S   S   S   S   S   S   S
Ridge wind spd..15  15  10  10  10  10  10  10  10  10  10  10
Mix hgt (kft)...2.0 1.5 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   SE  S   S   S   S   S   S
Transp wind spd.16  13  12  12  12  10  12  12  12  12  12  12
SDspl kt-ft/100031  14  5   5   5   4   5   5   5   5   5   5

.SATURDAY...

Sky/weather.........Sunny (20-30 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 37.
Min humidity........63 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......Southwest 10 to 15 mph.
Mixing height.......2000 ft AGL until 1500, then 2500 ft AGL.
Transport winds.....Southwest 12 to 13 mph.
Smoke dispersal.....Poor.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........40  30  25  35  15  10  15  15  15  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
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............13  13  18  22  25  28  31  33  33  35  35  36
RH..............76  80  73  74  71  68  66  63  66  64  64  64
20 FT wind dir..S   S   S   S   S   SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..6   6   6   6   6   6   6   6   6   6   6   6
20 FT wind gust.10  10  10  10  10  11  12  12  12  12  12  12
Ridge wind dir..S   S   S   S   S   SW  SW  SW  SW  SW  SW  SW
Ridge wind spd..10  10  10  10  10  15  15  15  15  15  10  10
Mix hgt (kft)...0.5 0.5 0.5 0.5 1.0 1.5 2.0 2.0 2.0 2.5 2.0 1.5
Transp wind dir.S   S   S   S   SW  SW  S   S   SW  SW  SW  S
Transp wind spd.12  12  12  12  12  13  13  13  13  13  12  12
SDspl kt-ft/10005   5   4   6   12  17  21  23  24  26  20  17

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Partly cloudy. Lows in the lower 20s. Highs in the mid 40s.
Southwest winds around 8 mph.
.MONDAY...
Partly cloudy. Isolated showers. Lows in the lower 30s. Highs in
the lower 50s. Southwest winds around 12 mph.
.TUESDAY...
Partly cloudy. Lows in the lower 30s. Highs in the mid 50s.
Southwest winds around 10 mph.

$$
Forecaster...Straub
Requested by...Joshua Banks
Type of request...PRESCRIBED
.TAG 2510708.1/RIW
.DELDT 04/18/25
.FormatterVersion 2.0.0
.EMAIL jfbanks@blm.gov