900  
FNUS74 KSJT 121343  
FWSSJT  
 
SPOT FORECAST FOR LAKE TRAMMELL FIRE...TEXAS A&M FOREST SERVICE  
NATIONAL WEATHER SERVICE SAN ANGELO TX  
843 AM CDT FRI MAY 12 2017  
 
FORECAST IS BASED ON REQUEST TIME OF 0900 CDT ON MAY 12.  
PLEASE CONTACT OUR OFFICE AT 325-944-3030 IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
FOR TODAY, EXPECT 20 FOOT NORTH WINDS OF 10 TO 15 MPH WITH  
A FEW GUSTS TO 20 MPH. THE SPEEDS WILL DECREASE TO AROUND 10 MPH  
WITH A FEW GUSTS TO 15 MPH EARLY THIS EVENING, WITH WINDS BECOMING  
LIGHT EAST TO NORTHEAST AFTER 8 PM. THE AFTERNOON RELATIVE HUMIDITY  
VALUES WILL FALL TO 25 TO 30 PERCENT LATE THIS AFTERNOON AND EARLY  
EVENING.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........26 PERCENT.  
WIND (20 FT)........NORTH WINDS 8 TO 13 MPH.  
HAINES INDEX........2 TO 6 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY (%).........3 3 2 2 1  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE  
TSTM COV........  
LAL.............1 1 1 1 1  
TEMP............60 67 71 75 77  
RH..............62 47 38 31 28  
20 FT WIND......N 10 N 13 N 12 N 10 N 10  
20 FT WIND GUST.15 20 20 15 15  
HAINES INDEX....2 2 4 4 6  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-5 PERCENT).  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 53.  
MAX HUMIDITY........83 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH.  
HAINES INDEX........5 TO 6 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........0 0 0 0 0 0  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
LAL.............1 1 1 1 1 1  
TEMP............77 72 65 61 59 56  
RH..............26 33 45 51 57 72  
20 FT WIND......N 10 N 8 NE 5 E 5 E 5 SE 6  
20 FT WIND GUST.15 10 10  
HAINES INDEX....6 5 5 5 5 5  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 84.  
MIN HUMIDITY........26 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH IN THE MORNING  
BECOMING LIGHT, THEN BECOMING SOUTHEAST 5 TO 7  
MPH LATE IN THE AFTERNOON.  
HAINES INDEX........3 TO 6 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........0 0 2 2 4 8  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
LAL.............1 1 1 1 1 1  
TEMP............53 58 68 75 79 83  
RH..............83 72 52 40 32 27  
20 FT WIND......SE 5 SE 6 SE 6 SE 5 SE 3 SE 6  
20 FT WIND GUST. 10 10 5 10  
HAINES INDEX....5 4 3 3 4 6  
 

 
FORECASTER...CUNNINGHAM  
REQUESTED BY...WAYNE JACKSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 1709380.0/SJT  
 
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