095
FNUS75 KCYS 181609
FWSCYS
SPOT FORECAST FOR BOULDER RIDGE SLASH PILE RX BURN...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
909 AM MST MON NOV 18 2024
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
EXPECT ISOLATED SNOW SHOWERS LATER ON TUESDAY MORNING WITH PARTLY CLOUDY
SKIES. NO SNOW ACCUMULATION IS EXPECTED HOWEVER WINDS WILL REMAIN GUSTY
THROUGH THE AFTERNOON WITH SOME GUSTS OVER 40 MPH POSSIBLE OUT OF THE WEST.
20-FOOT WINDS WILL ALSO EXCEED 25 MPH FROM THE EARLY MORNING HOURS ON TUESDAY
THROUGH WEDNESDAY. TEMPERATURES WILL REMAIN COLD AND BELOW AVERAGE UNTIL
THURSDAY WHEN A WARM-UP WILL BRING TEMPERATURES TO NEAR/SLIGHTLY ABOVE AVERAGE
ON FRIDAY AND SATURDAY. TEMPERATURES MAY BE WARM ENOUGH TO MELT SOME OF
THE SNOW BY FRIDAY, WITH HIGHS INTO THE UPPER 40S AT THE BURN LOCATION.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CWR.................5 PERCENT.
MIN TEMPERATURE.....AROUND 12.
MAX HUMIDITY........65 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 20 MPH. GUSTS UP TO 40 MPH
DECREASING TO 30 MPH AFTER 3 AM.
MIXING HEIGHT.......3300 FT AGL.
TRANSPORT WINDS.....WEST 37 TO 43 MPH.
SMOKE DISPERSAL..... VERY GOOD (123900 KNOT-FT).
HAINES INDEX........2 TO 3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TIME (MST) MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........16 13 13 19 19 21
WEATHER COV..... SCH
WEATHER TYPE.... SW
TSTM COV........
CWR.............0 0 0 0 0 10
TEMP............19 17 16 16 16 14
RH..............52 57 56 56 56 57
20 FT WIND DIR..W W W W W W
20 FT WIND SPD..23 21 18 17 18 18
20 FT WIND GUST.43 38 35 33 33 35
MIX HGT (KFT)...3.3 3.9 4.3 4.4 4.5 4.4
TRANSP WIND DIR.W W W W W W
TRANSP WIND SPD.43 40 38 38 37 38
HAINES INDEX....2 2 2 2 2 3
SDSPL KT-FT/1000124 135 141 146 142 145
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF
SNOW SHOWERS IN THE LATE MORNING.
CWR.................5 PERCENT.
MAX TEMPERATURE.....AROUND 19.
MIN HUMIDITY........43 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 20 MPH. GUSTS UP TO 40 MPH
IN THE AFTERNOON.
MIXING HEIGHT.......11500 FT AGL.
TRANSPORT WINDS.....WEST 39 TO 47 MPH INCREASING TO AROUND 51 MPH
LATE IN THE AFTERNOON, THEN DECREASING TO
AROUND 35 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL..... VERY GOOD (136200 KNOT-FT) EARLY IN THE
MORNING INCREASING TO EXCELLENT (202700
KNOT-FT) IN THE AFTERNOON INCREASING TO
EXCELLENT (269900 KNOT-FT) LATE IN THE MORNING,
THEN INCREASING TO EXCELLENT (379000 KNOT-FT)
IN THE AFTERNOON DECREASING TO GOOD (85400
KNOT-FT) LATE IN THE AFTERNOON.
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........23 21 14 18 24 35 25 32 46 47 39 28
WEATHER COV.....SCH SCH SCH SCH SCH
WEATHER TYPE....SW SW SW SW SW
TSTM COV........
CWR.............10 10 10 10 10 0 0 0 0 0 0 0
TEMP............13 13 12 15 16 17 17 18 19 17 16 15
RH..............61 64 65 56 54 51 49 47 43 45 48 51
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..18 20 20 21 21 21 22 23 23 24 24 24
20 FT WIND GUST.36 36 36 37 39 40 41 43 44 45 45 46
MIX HGT (KFT)...4.1 3.9 4.2 5.6 7.5 9.2 11 11 12 11 9.6 2.8
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.39 40 41 41 41 41 41 43 45 47 51 35
HAINES INDEX....3 3 3 3 3 4 4 4 4 4 4 3
SDSPL KT-FT/1000139 136 152 203 270 333 379 421 450 445 422 85
TUESDAY NIGHT
MAINLY CLEAR WITH DRY, COLD AND BREEZY WEATHER.
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CWR.................1 PERCENT.
MIN TEMPERATURE.....AROUND 12.
MAX HUMIDITY........54 PERCENT.
WIND (20 FT)........BREEZY. WEST WINDS 20 TO 25 MPH WITH GUSTS TO
AROUND 45 MPH.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....WEST 31 TO 36 MPH.
SMOKE DISPERSAL.....GOOD (64000 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3300 KNOT-FT) LATE IN THE
NIGHT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........20 15 11 8 6 5 4 4 4 5 6 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............15 14 14 14 14 14 14 14 14 15 15 16
RH..............52 53 54 51 50 47 47 45 43 40 39 36
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..24 23 22 23 24 25 25 26 26 26 26 25
20 FT WIND GUST.45 43 43 44 45 47 48 49 51 51 49 49
MIX HGT (KFT)...2.2 1.6 1.1 0.7 0.5 0.3 0.2 0.2 0.2 0.1 0.1 0.1
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.33 32 31 31 31 31 32 33 33 33 35 36
HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3
SDSPL KT-FT/100064 45 30 20 12 8 5 5 5 4 3 4
WEDNESDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 34.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........BREEZY. WEST WINDS 18 TO 25 MPH. GUSTS UP TO 45
MPH DECREASING TO 35 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2600 FT AGL.
TRANSPORT WINDS.....WEST 31 TO 38 MPH DECREASING TO AROUND 28 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (4600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (86400 KNOT-FT) IN THE
AFTERNOON.
HAINES INDEX........2 TO 3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........6 6 5 5 5 6 7 8 8 9 9 9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............17 18 19 22 26 29 32 34 34 33 31 29
RH..............35 35 35 32 30 29 28 29 30 33 37 40
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..25 25 24 23 22 22 21 21 20 20 18 18
20 FT WIND GUST.48 46 44 43 43 41 39 38 37 36 35 33
MIX HGT (KFT)...0.2 0.3 0.5 1.0 1.5 2.0 2.4 2.6 2.5 1.9 1.1 0.4
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.35 33 32 33 36 37 38 38 37 35 31 28
HAINES INDEX....3 3 3 3 3 2 2 2 2 2 2 3
SDSPL KT-FT/10005 8 14 28 48 65 80 86 81 58 31 11
FORECASTER...CHARNICK
REQUESTED BY...CHRISTOPHER OTTO
TYPE OF REQUEST...PRESCRIBED
.TAG 2426831.0/CYS
.DELDT 11/18/24
.FORMATTERVERSION 2.0.0
.EMAIL C75OTTO@BLM.GOV
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