462  
FNUS75 KCYS 111805  
FWSCYS  
 
SPOT FORECAST FOR POLE MTN. VEG...USFS  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1105 AM MST MON DEC 11 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 MST ON DECEMBER 11.  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (307) 772-2227, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
DRY CONDITIONS WILL CONTINUE ACROSS WESTERN LARAMIE  
COUNTY AND EASTERN ALBANY COUNTY THROUGH THE MIDDLE OF THIS WEEK.  
WINDY CONDITIONS ARE EXPECTED NEARLY EVERY AFTERNOON WITH WINDS  
DIMINISHING A BIT IN THE OVERNIGHT HOURS.  
 
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 40.  
MIN HUMIDITY........15 TO 20 PERCENT.  
WIND (20 FT)........WINDY. WEST WINDS 21 TO 30 MPH WITH GUSTS TO  
AROUND 45 MPH SHIFTING TO THE NORTHWEST 16 TO  
20 MPH WITH GUSTS TO AROUND 35 MPH LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......2300-3800 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 40 MPH.  
SMOKE DISPERSAL.....EXCELLENT (127600 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
CWR.................0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 23.  
MAX HUMIDITY........35 TO 45 PERCENT.  
WIND (20 FT)........WEST WINDS 15 TO 20 MPH AND GUSTY AT TIMES.  
MIXING HEIGHT.......900-1300 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 28 MPH.  
SMOKE DISPERSAL.....FAIR (28900 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 45 DEGREES.  
MIN HUMIDITY........20 TO 26 PERCENT.  
WIND (20 FT)........WEST WINDS 15 TO 25 MPH WITH HIGHER GUSTS.  
MIXING HEIGHT.......2000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH.  
SMOKE DISPERSAL.....EXCELLENT 21900-61600 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 

 
 
REQUESTED BY...JEROD DELAY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1719828.0/CYS  
.EMAIL JRDELAY@FS.FED.US  
 
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