057  
FNUS75 KGJT 192034  
FWSGJT  
 
SPOT FORECAST FOR CEMENT BRIDGE PILES...BLM  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
134 PM MST TUE NOV 19 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 1800 MST ON NOVEMBER 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
INCREASING HIGH CLOUDS TODAY SIGNAL A LARGE CHANGE IN THE WEATHER  
FROM TODAY TO TOMORROW AS A STRONG AND WET WINTER STORM MOVES IN  
FROM THE SOUTHWEST. THE STORM WILL ARRIVE IN A COUPLE PHASES OF  
PRECIPITATION WITH THE BEST CHANCES TONIGHT INTO TOMORROW AND  
AGAIN EARLY THURSDAY MORNING. WIDESPREAD RAIN IS LIKELY BELOW 8500  
FEET WITH NEARLY 3/4 INCH OF RAINFALL POSSIBLE BY FRIDAY NEAR THE  
SPOT LOCATION.  
 
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS IN  
THE EVENING, THEN SHOWERS OVERNIGHT.  
CWR.................85 PERCENT.  
MIN TEMPERATURE.....39-44 F.  
MAX HUMIDITY........85-95%.  
WIND (20 FT)........SOUTHEAST WINDS 5-10 MPH.  
SMOKE DISPERSAL.....POOR (7500-15000 KNOT-FT) OVERNIGHT.  
HAINES INDEX........2 OR VERY LOW.  
LAL.................1.  
MIXING HEIGHT.......1500 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....SOUTHEAST 5-10 MPH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........CLOUDY (80-90%). SHOWERS IN THE MORNING, THEN  
SCATTERED SHOWERS IN THE AFTERNOON.  
CWR.................70 PERCENT.  
MAX TEMPERATURE.....53-58 F.  
MIN HUMIDITY........50-55%.  
WIND (20 FT)........SOUTH WINDS 10 MPH WITH GUSTS TO AROUND 20 MPH.  
SMOKE DISPERSAL.....INCREASING TO VERY GOOD BRIEFLY BY PEAK HEATING.  
(AT LEAST FAIR FROM 1000 THROUGH SUNSET)  
HAINES INDEX........2 OR VERY LOW.  
LAL.................1.  
MIXING HEIGHT.......INCREASING TO 5000 FT AGL BRIEFLY BY PEAK HEATING.  
TRANSPORT WINDS.....SOUTHWEST 15-25 MPH.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). NUMEROUS SHOWERS.  
CWR.................50 PERCENT.  
MIN TEMPERATURE.....35-40 F.  
MAX HUMIDITY........75-85%.  
WIND (20 FT)........SOUTHEAST WINDS 10 MPH WITH GUSTS TO AROUND 20.  
SMOKE DISPERSAL.....POOR (37500 KNOT-FT) OVERNIGHT WITH BRIEF PERIODS  
OF FAIR AFTER MIDNIGHT.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................1.  
MIXING HEIGHT.......2500 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....SOUTH 15-20 MPH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS IN  
THE MORNING, THEN NUMEROUS SHOWERS IN THE  
AFTERNOON.  
CWR.................30 PERCENT.  
MAX TEMPERATURE.....45-50 F.  
MIN HUMIDITY........50-55%.  
WIND (20 FT)........SOUTH WINDS 5-10 MPH SHIFTING TO THE SOUTHWEST  
AROUND NOON.  
SMOKE DISPERSAL.....INCREASING TO GOOD BY 1100.  
(AT LEAST FAIR FROM 1000 THROUGH 1600)  
HAINES INDEX........3 OR VERY LOW.  
LAL.................1.  
MIXING HEIGHT.......INCREASING TO 7000 FT AGL BRIEFLY BY PEAK HEATING.  
TRANSPORT WINDS.....SOUTH 5-10 MPH SHIFTING TO THE SOUTHWEST  
AROUND NOON.  
 

 
FORECASTER...SCOTT STEARNS  
REQUESTED BY...RUSTY STARK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1919068.0/GJT  
.DELDT 11/19/19  
.FORMATTERVERSION 1.0.26  
.EMAIL RMSTARK@BLM.GOV  
 
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