775  
FNUS75 KBYZ 241449 AAA  
FWSBYZ  
 
SPOT FORECAST FOR BROKEN JAW RX UNIT 14...UPDATED  
NATIONAL WEATHER SERVICE BILLINGS MT  
749 AM MST TUE NOV 24 2009  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON NOVEMBER 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
TODAY WILL BE MILD AGAIN WITH A MOSTLY CLOUDY SKY. THE WINDS WILL  
BECOME WEST AND INCREASE A BIT BY AFTERNOON. A COLD FRONT WILL  
MOVE INTO THE SITE LATE THIS AFTERNOON AND TURN THE WINDS TO THE  
NORTHWEST. THE COLD FRONT WILL TRIGGER ISOLATED SHOWERS THIS  
AFTERNOON. THE SHOWERS WILL BECOME MORE SCATTERED THIS EVENING.  
NOT A GREAT DEAL OF MIXING IS ANTICIPATED TODAY. WEDNESDAY WILL BE  
A LITTLE COOLER. HUMPHREY  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
AFTERNOON.  
CWR.................9 PERCENT.  
MAX TEMPERATURE.....43-48.  
MIN HUMIDITY........35-40 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 4 TO 10 MPH IN THE MORNING.  
WINDS BECOMING WEST 8 TO 16 MPH IN THE AFTERNOON.  
WINDS TURNING NORTHWEST LATE AFTERNOON.  
RIDGETOP...........NORTHWEST 15 TO 30 MPH.  
MIXING HEIGHT.......2200 FT AGL.  
MIXING WINDS........WEST 15 TO 25 MPH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS  
IN THE EVENING...THEN ISOLATED SNOW SHOWERS OVERNIGHT.  
CWR.................13 PERCENT.  
MIN TEMPERATURE.....27-32.  
MAX HUMIDITY........84-89 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS 6 TO 14 MPH.  
RIDGETOP...........NORTH 20 TO 30 MPH.  
MIXING HEIGHT.......1200 FT AGL.  
MIXING WINDS........NORTHWEST 20 TO 30 MPH.  
 

 
FORECASTER...HUMPHREY  
REQUESTED BY...LELAND BLACK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 20091124.BROKE.01/BYZ  
 
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