006
FNUS75 KRIW 201230
FWSRIW
SPOT FORECAST FOR SHF NORTHFORK PILES (PAHASKA)...USFS
NATIONAL WEATHER SERVICE RIVERTON WY
530 AM MST WED NOV 20 2024
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON NOVEMBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE
DISCUSSION
A SLIGHT CHANCE (10%) OF SNOW SHOWERS THIS AFTERNOON THROUGH
TONIGHT, INCREASING THURSDAY MORNING TO AROUND 30% THROUGH FRIDAY
NIGHT. RAIN MAY MIX WITH SNOW AT TIMES THURSDAY AND FRIDAY
AFTERNOON. WIND WILL BE PREDOMINANTLY FROM THE SOUTHWEST THROUGH
FRIDAY SUSTAINED 10-15 MPH, WITH GUSTS AS HIGH AS 25 MPH. EXPECT
SMOKE DISPERSAL TO IMPROVE TO GOOD IN THE AFTERNOON EACH DAY.
TEMPERATURES WILL REMAIN COOL TODAY RIGHT AROUND FREEZING IN THE
AFTERNOON, BUT A WARMING TREND WILL OCCUR THURSDAY THROUGH
SATURDAY WITH HIGH TEMPERATURES IN THE LOW TO MIDDLE 40S.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
..HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT
TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
SUNNY (50-60 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
LAL.................1.
MAX TEMPERATURE.....AROUND 34.
MIN HUMIDITY........38 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 0900, THEN WEST 7 TO 11 MPH.
GUSTS UP TO 21 MPH.
RIDGETOP WIND.......WEST 15 TO 20 MPH.
MIXING HEIGHT.......3000 FT AGL UNTIL 1200, THEN 3500 FT AGL.
TRANSPORT WINDS.....WEST 13 TO 21 MPH UNTIL 1100, THEN 18 TO 25
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN INCREASING TO GOOD IN THE
AFTERNOON, THEN POOR AFTER 1700.
HAINES INDEX........2.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........20 15 10 10 10 20 40 35 60 60 65 65
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 10 10 10 10
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............10 10 12 20 26 29 32 34 34 34 32 31
RH..............84 81 72 55 43 40 38 39 42 47 56 67
20 FT WIND DIR..NW NW NW W W W W W W W W W
20 FT WIND SPD..6 6 6 7 8 9 10 11 11 11 11 11
20 FT WIND GUST.10 10 10 11 13 14 16 17 17 17 17 17
RIDGE WIND DIR..NW NW NW W W W W W W W W W
RIDGE WIND SPD..15 15 15 15 15 15 15 20 20 20 20 20
MIX HGT (KFT)...1.5 1.5 1.5 2.0 2.5 3.0 3.5 3.5 3.5 3.0 2.5 2.0
TRANSP WIND DIR.W W W W W SW SW W W W W W
TRANSP WIND SPD.13 14 15 16 21 25 25 25 23 22 18 18
HAINES INDEX....2 2 2 2 2 2 2 2 2 2 2 2
SDSPL KT-FT/100017 19 21 29 49 70 76 78 65 57 40 32
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT). ISOLATED SNOW
SHOWERS AFTER 3 AM.
CWR.................0 PERCENT.
CHANCE OF PCPN......20 PERCENT.
LAL.................1.
MIN TEMPERATURE.....AROUND 24.
MAX HUMIDITY........84 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 8 TO 10 MPH UNTIL 2300, THEN
AROUND 8 MPH UNTIL 0400, THEN WEST. GUSTS UP TO
20 MPH.
RIDGETOP WIND.......NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR.
HAINES INDEX........2.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........60 60 55 50 30 25 35 30 30 35 30 35
WEATHER COV..... ISO
WEATHER TYPE.... SW
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).10 10 10 0 10 0 10 10 10 20 10 10
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............30 28 27 28 26 26 26 26 27 26 27 27
RH..............70 72 74 75 75 75 75 77 80 84 84 84
20 FT WIND DIR..W W W W NW N N N N W W W
20 FT WIND SPD..10 8 8 8 8 8 8 8 8 8 8 8
20 FT WIND GUST.16 13 13 13 13 13 13 13 13 13 13 13
RIDGE WIND DIR..W W W W NW N N N N W W W
RIDGE WIND SPD..15 15 15 15 15 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 SW W W SW SW SW SW SW
TRANSP WIND SPD.17 15 15 15 15 15 15 15 15 15 15 15
HAINES INDEX....2 2 2 2 2 2 2 2 2 2 2 2
SDSPL KT-FT/100028 21 20 20 20 20 20 20 20 20 20 20
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SCATTERED RAIN
SHOWERS AND SNOW SHOWERS THROUGH THE DAY.
CWR.................5 PERCENT.
CHANCE OF PCPN......40 PERCENT.
LAL.................1.
MAX TEMPERATURE.....AROUND 42.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 8 MPH UNTIL 1100, THEN
SOUTHWEST 7 TO 8 MPH. GUSTS UP TO 16 MPH
INCREASING TO 24 MPH LATE IN THE AFTERNOON.
RIDGETOP WIND.......WEST 10 TO 15 MPH.
MIXING HEIGHT.......3000 FT AGL UNTIL 1300, THEN 3500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 13 TO 21 MPH UNTIL 1100, THEN 16 TO
24 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN INCREASING TO GOOD IN
THE AFTERNOON UNTIL 1700, THEN POOR.
HAINES INDEX........2.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........25 25 35 55 60 65 65 65 65 65 65 65
WEATHER COV..... ISO SCT SCT ISO SCT SCT SCT SCT SCT SCT SCT
WEATHER TYPE.... SW SW SW SW RS RS RS RS RS SW SW
TSTM COV........
CWR.............0 0 0 0 0 10 10 10 10 10 10 0
CHC OF PCPN (%).10 20 30 30 20 30 30 30 30 30 30 40
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............26 27 28 32 36 40 40 41 41 40 38 37
RH..............84 84 84 66 60 54 53 53 52 56 61 65
20 FT WIND DIR..W W W W W W SW SW SW W W W
20 FT WIND SPD..8 6 6 6 6 7 8 8 8 7 7 8
20 FT WIND GUST.13 8 8 8 10 11 13 13 13 11 11 19
RIDGE WIND DIR..W W W W W W SW SW SW W W W
RIDGE WIND SPD..15 10 10 10 15 15 15 15 15 15 15 15
MIX HGT (KFT)...1.5 1.5 2.0 2.5 2.5 3.0 3.0 3.5 3.5 3.0 2.5 2.0
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW W W
TRANSP WIND SPD.15 13 14 16 21 24 24 23 23 21 18 16
HAINES INDEX....2 2 2 2 2 2 2 2 2 2 2 2
SDSPL KT-FT/100021 18 24 32 49 67 68 66 67 53 41 31
FORECAST DAYS 3 THROUGH 5
FRIDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND ISOLATED SHOWERS. LOWS
AROUND 30. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 8 MPH.
SATURDAY
MOSTLY CLOUDY WITH SNOW WITH RAIN LIKELY. LOWS IN THE UPPER 20S.
HIGHS IN THE LOWER 40S. SOUTHWEST WINDS AROUND 8 MPH.
SUNDAY
COLDER, SNOW. LOWS AROUND 19. HIGHS IN THE LOWER 30S. WEST WINDS
AROUND 9 MPH.
FORECASTER...ROWE
REQUESTED BY...PETER FREIRE
TYPE OF REQUEST...PRESCRIBED
.TAG 2426796.2/RIW
.DELDT 11/20/24
.FORMATTERVERSION 2.0.0
.EMAIL PETER.FREIRE@USDA.GOV
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