892
FNUS75 KRIW 031322
FWSRIW
SPOT FORECAST FOR NORTH FORK PILE RX...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE RIVERTON WY
622 AM MST MON FEB 3 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 MST ON FEBRUARY 03.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
SNOW CONTINUES THIS MORNING BEFORE SLOWLY TAPERING OFF LATE THIS
AFTERNOON. TEMPERATURES RISE INTO THE LOW TO MID 30S THIS
AFTERNOON. THIS MAY BRING A BRIEF RAIN/SNOW MIX JUST BEFORE
SUNSET. WHILE WINDS AT THE FIRE SITE WILL BE MODEST FROM THE WEST
10 TO 15 MPH, NEARBY HIGHER ELEVATIONS WILL BE GUSTING 30 TO 40
MPH.
SNOW SHOWERS WILL BECOME LIGHTER OVERNIGHT TONIGHT, WITH MINIMAL
ADDITIONAL ACCUMULATIONS EXPECTED. LIGHT WEST WINDS WILL KEEP
TEMPERATURES ELEVATED, ONLY DROPPING TO AROUND 30 DEGREES. WEST
WINDS WILL CONTINUE 10 TO 15 MPH, WITH A FEW GUSTS NEAR 20.
A MIX OF LIGHT RAIN AND SNOW CONTINUES ON TUESDAY, WITH ONLY LIGHT
ACCUMULATIONS. LIGHT WESTERLY DOWNSLOPE WINDS WILL AGAIN BRING
WARMER TEMPERATURES, WITH HIGHS NEAR 40 DURING THE AFTERNOON.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SNOW LIKELY.
CWR.................84 PERCENT.
CHANCE OF PCPN......80 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
MAX TEMPERATURE.....AROUND 37.
MIN HUMIDITY........59 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1400, THEN SOUTHWEST 7 TO 14
MPH WITH GUSTS TO AROUND 21 MPH.
RIDGETOP WIND.......SOUTHWEST 10 TO 15 MPH UNTIL 1500, THEN WEST
AROUND 20 MPH.
MIXING HEIGHT.......3000 FT AGL UNTIL 1400, THEN 3500 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 23 MPH UNTIL 1400, THEN SOUTHWEST 29
TO 33 MPH UNTIL 1700, THEN AROUND 22 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, INCREASING TO VERY GOOD IN THE
AFTERNOON.
TIME (MST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........95 95 95 95 95 95 90 90 90 70
WEATHER COV.....DEF DEF DEF LKY LKY CHC CHC CHC CHC CHC
WEATHER TYPE....SN SN SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............80 80 80 40 40 40 40 40 40 0
CHC OF PCPN (%).80 80 80 70 60 40 30 30 30 30
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............25 25 25 27 31 33 36 37 36 36
RH..............100 98 97 93 83 73 69 59 60 60
20 FT WIND DIR..SW SW S S S S SW SW W W
20 FT WIND SPD..3 3 4 6 6 6 7 14 14 13
20 FT WIND GUST. 6 8 10 10 11 21 21 19
RIDGE WIND DIR..SW SW S S S S SW SW W W
RIDGE WIND SPD..10 10 10 10 15 15 15 20 20 20
MIX HGT (KFT)...1.5 1.5 2.5 2.5 2.5 3.0 3.5 3.5 3.0 2.0
TRANSP WIND DIR.W W W W W W SW SW SW SW
TRANSP WIND SPD.15 15 16 20 21 23 32 33 29 22
SDSPL KT-FT/100020 21 33 42 46 56 98 101 75 41
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF SNOW
IN THE EVENING, THEN SNOW WITH RAIN LIKELY
OVERNIGHT.
CWR.................0 PERCENT INCREASING TO 41 PERCENT.
CHANCE OF PCPN......80 PERCENT.
CHANCE OF THUNDER...3 PERCENT.
MIN TEMPERATURE.....AROUND 35.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 12 MPH WITH GUSTS TO AROUND 18
MPH.
RIDGETOP WIND.......WEST 15 TO 20 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........70 75 75 75 70 70 70 70 70 70 75 75
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY DEF
WEATHER TYPE....SN SN SN SN SN SN SN SN RS SN SN SN
TSTM COV........
CWR.............0 0 0 0 0 20 20 20 20 20 20 40
CHC OF PCPN (%).30 30 40 40 40 50 50 50 60 60 60 80
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............35 35 35 35 36 36 36 37 37 37 37 37
RH..............61 62 65 68 70 72 73 73 72 73 73 74
20 FT WIND DIR..W W W W W W W W W W W SW
20 FT WIND SPD..12 11 10 9 8 8 8 9 10 10 11 11
20 FT WIND GUST.18 17 16 14 13 13 13 14 16 16 17 17
RIDGE WIND DIR..W W W W W W W W W W W SW
RIDGE WIND SPD..20 20 15 15 15 15 15 15 15 15 20 20
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.SW SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.20 18 17 16 15 15 15 16 17 17 18 18
SDSPL KT-FT/100032 25 23 22 20 20 20 22 23 24 25 26
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SNOW LIKELY.
CHANCE OF SNOW LATE IN THE AFTERNOON.
CWR.................41 PERCENT.
CHANCE OF PCPN......80 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
MAX TEMPERATURE.....AROUND 40.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 11 TO 13 MPH WITH GUSTS TO
AROUND 19 MPH.
RIDGETOP WIND.......SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......3000 FT AGL UNTIL 1000, THEN 4000 FT AGL UNTIL
1700, THEN 2000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 18 TO 26 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN FAIR EARLY IN THE MORNING
INCREASING TO GOOD IN THE AFTERNOON UNTIL 1100,
THEN GOOD UNTIL 1600, THEN FAIR UNTIL 1700,
THEN POOR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........80 80 80 85 85 85 85 85 85 80 75 65
WEATHER COV.....DEF DEF DEF DEF DEF LKY LKY LKY LKY LKY LKY CHC
WEATHER TYPE....SN SN SN SN SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............40 40 40 40 40 20 20 20 20 20 20 10
CHC OF PCPN (%).80 80 80 80 80 70 70 70 70 70 70 30
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............36 36 36 36 37 38 39 40 40 40 39 38
RH..............75 77 79 74 71 68 65 62 60 61 62 64
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW W
20 FT WIND SPD..11 11 11 12 12 13 13 12 12 12 11 11
20 FT WIND GUST.17 17 17 18 18 19 19 18 18 18 17 17
RIDGE WIND DIR..SW SW SW SW SW SW SW SW SW SW SW W
RIDGE WIND SPD..20 20 20 20 20 20 20 20 20 20 20 20
MIX HGT (KFT)...1.5 2.0 2.0 3.0 3.5 4.0 4.0 4.0 4.0 3.5 2.5 2.0
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.18 18 18 20 23 26 26 25 25 22 18 18
SDSPL KT-FT/100028 28 34 53 73 96 95 89 87 62 41 31
FORECAST DAYS 3 THROUGH 5
WEDNESDAY
SNOW. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 30S. SOUTHWEST
WINDS AROUND 14 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 15. HIGHS
IN THE MID 20S. WEST WINDS AROUND 13 MPH.
FRIDAY
SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 30S. WEST WINDS
AROUND 10 MPH.
FORECASTER...STRAUB
REQUESTED BY...RAY VARLAND
TYPE OF REQUEST...PRESCRIBED
.TAG 2501980.0/RIW
.DELDT 02/03/25
.FORMATTERVERSION 2.0.0
.EMAIL RAY.VARLAND@USDA.GOV
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