073  
FNUS75 KREV 281333  
FWSREV  
 
SPOT FORECAST FOR USFS OPHIR-ROSE PILE BURN...NORTH LAKE TAHOE FIRE PROTECTION DISTRICT  
NATIONAL WEATHER SERVICE RENO NV  
533 AM PST MON NOV 28 2022  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 PST ON NOVEMBER 28.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL  
WEATHER SERVICE IN RENO.  
   
DISCUSSION
 
 
* COLD FRONT WILL BRING STRONG GUSTY WINDS UP TO 45 MPH ON EXPOSED  
SLOPES TODAY.  
 
* LIGHT SNOWFALL IS POSSIBLE ALONG THE FRONT TODAY, BUT  
CHANCES FOR GREATER THAN 0.1" OF PRECIPITATION IS 10%.  
 
* ANOTHER SYSTEM IS EXPECTED TO BRING INCREASING WINDS LATE  
WEDNESDAY INTO THURSDAY WITH INCREASING CHANCES FOR A  
HEAVY SNOWFALL THURSDAY AND THURSDAY NIGHT.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. 15% CHANCE OF A SNOW SHOWER.  
TEMPERATURE.........32 AT IGNITION...MAX 35.  
RH..................70% AT IGNITION...MIN 60%.  
20-FOOT WINDS.......WINDS SOUTHWEST AT 15 MPH WITH GUSTS TO 25 MPH  
AT IGNITION...INCREASING TO SOUTHWEST WINDS  
17-22 MPH WITH GUSTS TO 35 MPH IN THE LATE  
MORNING AND AFTERNOON.  
LAL.................1.  
CHC WETTING RAIN....0%.  
MIXING HEIGHT.......2000-2500 FT AGL.  
TRANSPORT WINDS.....WEST 25-35 MPH.  
VENTILATION.........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.  
HAINES INDEX........2.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN CLEARING.  
TEMPERATURE.........MIN 15.  
RH..................MAX 75%.  
20-FOOT WINDS.......WEST WINDS 13-18 MPH WITH GUSTS TO AROUND 30  
MPH IN THE EVENING DECREASING TO 7-10 MPH, THEN  
SHIFTING TO THE NORTH AROUND 7 MPH OVERNIGHT.  
LAL.................1.  
CHC WETTING RAIN....0%.  
MIXING HEIGHT.......800-1300 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 10 MPH.  
VENTILATION.........GOOD THE BECOMING POOR OVERNIGHT.  
HAINES INDEX........2.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
TEMPERATURE.........MAX 35.  
RH..................MIN 44%.  
20-FOOT WINDS.......UPSLOPE 3-7 MPH.  
LAL.................1.  
CHC WETTING RAIN....0%.  
MIXING HEIGHT.......800-1300 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS.  
VENTILATION.........POOR.  
HAINES INDEX........2.  
 

 
FORECASTER...TOLBY/HOHMANN  
REQUESTED BY...ISAAC POWNING  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2221704.0/REV  
.DELDT 11/28/22  
.FORMATTERVERSION 2.0.0  
.EMAIL IPOWNING@NLTFPD.NET  
 
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