074
FNUS75 KCYS 191243
FWSCYS
SPOT FORECAST FOR BOULDER RIDGE SLASH PILE RX BURN...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
543 AM MST TUE NOV 19 2024
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
COLD AND WINDY CONDITIONS ARE EXPECTED FOR THE NEXT 36 HOURS. WINDS
WILL PICK UP AGAIN TODAY, WITH GUSTS OF 40 TO 50 MPH POSSIBLE IN THE
LATE MORNING AND AFTERNOON HOURS. TEMPERATURES WILL BE COLD, IN THE
TEENS, WITH RH AROUND 45 TO 50%. SCATTERED SNOW SHOWERS IN THE AFTERNOON
ARE POSSIBLE, BUT ACCUMULATION IS UNLIKELY. A BRIEF LULL IN THE WINDS IS
POSSIBLE THIS EVENING BEFORE WESTERLY WINDS PICK UP ONCE AGAIN AND CONTINUE
THROUGH WEDNESDAY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE OF
SNOW SHOWERS.
CWR.................5 PERCENT.
MAX TEMPERATURE.....16 TO 18 DEGREES.
MIN HUMIDITY........45 TO 50 PERCENT.
WIND (20 FT)........BREEZY. WEST WINDS 15 TO 25 MPH, GUSTING 30 TO 40 MPH
IN THE MORNING AND 40 TO 50 MPH IN THE AFTERNOON.
MIXING HEIGHT.......8600 FT AGL.
TRANSPORT WINDS.....WEST 36 TO 43 MPH INCREASING TO 46 TO 51 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (70700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (156200 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (323000
KNOT-FT).
HAINES INDEX........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 (%).........28 20 14 17 18 28 33 41 52 46 48 36
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE....SW SW SW SW SW SW SW SW SW SW SW
TSTM COV........
CWR.............10 10 10 10 10 10 10 10 10 10 10 0
TEMP............13 12 11 13 14 14 15 15 15 15 16 13
RH..............62 64 65 61 57 57 53 50 50 51 49 57
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..17 18 20 21 21 22 23 24 25 24 24 23
20 FT WIND GUST.33 35 36 38 39 40 43 45 46 45 44 43
MIX HGT (KFT)...2.6 2.3 2.4 3.5 5.0 6.5 7.6 8.3 8.6 8.6 8.2 7.3
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.36 36 36 36 36 38 40 43 46 47 49 51
HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3
SDSPL KT-FT/100081 71 74 108 156 215 265 308 346 354 351 323
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CWR.................1 PERCENT.
MIN TEMPERATURE.....11 TO 13 DEGREES.
MAX HUMIDITY........55 TO 60 PERCENT.
WIND (20 FT)........BREEZY. WEST WINDS 20 TO 25 MPH WITH GUSTS UP TO
AROUND 50 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....WEST 51 TO 59 MPH.
SMOKE DISPERSAL.....EXCELLENT (206500 KNOT-FT) DECREASING TO FAIR
(48700 KNOT-FT).
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........29 14 8 5 5 4 5 3 3 4 4 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............13 14 12 12 12 12 13 13 14 16 16 14
RH..............54 51 54 52 52 52 47 47 46 41 41 41
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..23 23 23 22 22 22 23 25 25 26 25 25
20 FT WIND GUST.43 43 43 41 40 41 44 46 49 49 49 48
MIX HGT (KFT)...6.1 4.7 3.5 2.8 2.5 2.2 1.9 1.6 1.3 1.2 1.1 1.0
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.51 51 52 52 53 53 55 58 59 58 55 54
HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 4
SDSPL KT-FT/1000269 207 156 127 114 102 90 78 68 59 52 49
WEDNESDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....32 TO 34 DEGREES.
MIN HUMIDITY........27 TO 32 PERCENT.
WIND (20 FT)........BREEZY. WEST WINDS 20 TO 25 MPH. GUSTS UP TO 50
MPH DECREASING TO 40 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......2700 FT AGL.
TRANSPORT WINDS.....WEST 53 TO 56 MPH DECREASING TO AROUND 31 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (45600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO VERY GOOD (130100 KNOT-FT) IN THE
AFTERNOON DECREASING TO POOR (17600 KNOT-FT)
LATE IN THE AFTERNOON.
HAINES INDEX........2 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 (%).........6 8 2 4 6 7 7 6 6 6 6 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............17 17 18 23 25 28 30 31 33 32 31 30
RH..............37 36 34 32 31 30 31 32 32 35 36 38
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..25 25 25 25 25 24 24 24 24 23 21 21
20 FT WIND GUST.48 48 48 47 46 45 45 45 45 43 40 38
MIX HGT (KFT)...1.0 1.0 1.1 1.3 1.6 1.9 2.3 2.6 2.7 2.4 1.9 0.7
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.54 53 53 53 53 53 54 56 56 55 53 31
HAINES INDEX....4 4 4 4 4 3 3 3 3 3 3 2
SDSPL KT-FT/100046 46 50 60 73 88 106 126 130 114 89 18
FORECASTER...NATOLI
REQUESTED BY...CHRISTOPHER OTTO
TYPE OF REQUEST...PRESCRIBED
.TAG 2426950.0/CYS
.DELDT 11/19/24
.FORMATTERVERSION 2.0.0
.EMAIL C75OTTO@BLM.GOV
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