801
FNUS75 KRIW 131201
FWSRIW
SPOT FORECAST FOR MOSQUITO CREEK RX...USFS
NATIONAL WEATHER SERVICE RIVERTON WY
601 AM MDT TUE APR 13 2021
FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON APRIL 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY WEATHER TODAY THROUGH MIDNIGHT TONIGHT. THERE
WILL BE A BREEZE AT TIMES TODAY AND TONIGHT. SNOW WILL MOVE INTO
THE BURN AREA AFTER MIDNIGHT WITH SNOW EXPECTED FOR MOST OF THE
DAY WEDNESDAY. SNOW LOOKS TO OCCUR WEDNESDAY NIGHT INTO THURSDAY.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
..HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT
FORECASTER...AR
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....40-43.
MIN HUMIDITY........28-31 PERCENT.
20-FOOT WINDS.......NORTHEAST AT 5 TO 8 MPH WITH GUSTS TO 13 MPH.
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 TO 3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6800 FT AGL.
TRANSPORT WINDS.....EAST AT 14 TO 18 MPH.
SMOKE DISPERSAL.....BECOMING FAIR AT 1200. FAIR TO GOOD AFTER 1200.
TIME (MDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........52 44 36 28 20 26 33 39 46 52
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1
TEMP............21 26 32 37 40 41 42 42 42 41
RH..............75 64 56 46 42 37 35 31 32 33
20 FT WIND DIR..NE NE NE NE NE NE NE E NE NE
20 FT WIND SPD..6 6 6 6 6 6 6 6 7 8
20 FT WIND GUST.11 12 11 11 13 13 13 13 13 13
MIX HGT (KFT)...0.3 1.5 1.5 1.5 4.5 4.5 4.5 7.1 7.1 7.1
TRANSP WIND DIR.NE E E E E E E E E E
TRANSP WIND SPD.14 13 13 13 13 13 13 14 14 14
HAINES INDEX....2 2 2 2 3 3 3 3 3 3
SDSPL KT-FT/10004 16 16 16 50 50 50 86 86 86
TONIGHT
SKY/WEATHER.........BECOMING MOSTLY CLOUDY. CHANCE OF SNOW AFTER
MIDNIGHT.
MIN TEMPERATURE.....21-24.
MAX HUMIDITY........74-77 PERCENT.
20-FOOT WINDS.......NORTHEAST AT 6 TO 9 MPH. GUSTS TO 16 MPH.
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.7 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 500 FT AGL.
TRANSPORT WINDS.....EAST 12 TO 15 MPH.
SMOKE DISPERSAL.....BECOMING POOR BY 2200.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........58 61 65 68 71 74 77 80 83 85 88 91
WEATHER COV..... SCH CHC CHC LKY
WEATHER TYPE.... SN SN SN SN
TSTM COV........
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............42 38 33 31 29 27 27 26 25 25 23 23
RH..............38 44 58 64 67 69 70 73 72 73 76 76
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE
20 FT WIND SPD..8 7 7 6 7 8 9 9 8 8 8 9
20 FT WIND GUST.16 14 14 13 14 16 17 17 16 16 16 17
MIX HGT (KFT)...4.3 4.3 4.3 3.1 2.1 1.1 0.4 0.4 0.4 0.8 0.8 0.8
TRANSP WIND DIR.E E E NE NE NE NE NE NE E E E
TRANSP WIND SPD.14 14 14 14 14 14 16 16 16 15 15 15
HAINES INDEX....2 2 2 2 2 2 2 2 2 2 2 2
SDSPL KT-FT/100051 51 51 43 26 14 6 6 6 10 10 10
WEDNESDAY
SKY/WEATHER.........CLOUDY. SNOW LIKELY THROUGH THE DAY.
MAX TEMPERATURE.....40.
MIN HUMIDITY........50-55 PERCENT.
20-FOOT WINDS.......NORTHEAST AT 5 TO 9 MPH. GUSTS TO 17 MPH.
RIDGE TOP WINDS.....NORTHEAST 14 TO 17 MPH.
LAL.................1.
CHC OF WETTING RAIN.65 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3900 FT AGL.
TRANSPORT WINDS.....EAST 14 TO 17 MPH.
SMOKE DISPERSAL.....POOR. BECOMING FAIR AFTER 1200.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........94 92 90 88 86 84 82 83 84 86 87 88
WEATHER COV.....LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY
WEATHER TYPE....SN SN SN SN SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............70 70 70 70 70 70 60 60 60 60 60 60
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............22 21 23 27 31 35 37 39 39 40 40 40
RH..............77 77 75 69 64 59 56 53 52 50 50 51
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE
20 FT WIND SPD..9 9 9 9 9 10 10 9 8 7 7 8
20 FT WIND GUST.17 17 17 17 17 17 17 17 16 14 14 16
MIX HGT (KFT)...0.9 0.9 0.9 1.5 1.5 1.5 3.1 3.1 3.1 4.0 4.0 4.0
TRANSP WIND DIR.E E E E E E E E E E E E
TRANSP WIND SPD.16 16 16 16 16 16 16 16 16 14 14 14
HAINES INDEX....2 2 2 2 2 2 2 2 2 2 2 2
SDSPL KT-FT/100013 13 13 21 21 21 43 43 43 48 48 48
FORECAST DAYS 3 THROUGH 5
WEDNESDAY NIGHT
SNOW LIKELY. LOWS IN THE MID 20S.
WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
CLOUDY WITH SNOW SHOWERS LIKELY. HIGHS NEAR 40.
WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 20S.
HIGHS AROUND 40. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S.
WINDS GENERALLY LESS THAN 10 MPH.
FORECASTER...ROSS
REQUESTED BY...ROSS DARY
TYPE OF REQUEST...PRESCRIBED
.TAG 2108714.0/RIW
.DELDT 04/13/21
.EMAIL ROSS.DARY@USDA.GOV
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