757  
FNUS74 KFWD 201325  
FWSFWD  
 
SPOT FORECAST FOR HARMAN ROAD...TEXAS A&M FOREST SERVICE  
NATIONAL WEATHER SERVICE FORT WORTH TX  
825 AM CDT FRI JUL 20 2018  
 
FORECAST IS BASED ON FORECAST START TIME OF 2100 CDT ON JULY 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..EXCESSIVE HEAT WARNING IN EFFECT UNTIL 7 PM CDT SUNDAY
 
 
   
DISCUSSION
 
 
HOT AND DRY CONDITIONS ARE EXPECTED TODAY, WITH TEMPERATURES  
EXPECTED TO REACH 106 DEGREES. MINIMUM RELATIVE HUMIDITY VALUES  
WILL DECREASE THROUGH THE DAY, BOTTOMING OUT IN THE LOW 20S. WIND  
WILL BE OUT OF THE SOUTH/SOUTHWEST TODAY, MAINLY BELOW 10 MPH.  
 
RELATIVE HUMIDITY VALUES WILL RECOVER OVERNIGHT, WITH LOW  
TEMPERATURES AROUND 77. CONDITIONS WILL BE SIMILAR ON SATURDAY,  
WITH RH VALUES EXPECTED TO BE SLIGHTLY LOWER IN THE UPPER TEENS.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 106.  
MIN HUMIDITY........19 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH.  
HAINES INDEX........4 TO 6 OR HIGH POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
EYE LEVEL WINDS.....SOUTH WINDS UP TO 4 MPH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........8 6 5 5 4 4 3 3 2 1 0 0  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............78 77 80 84 88 92 96 100 104 106 106 105  
RH..............79 82 74 61 50 43 35 29 24 21 20 19  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..6 5 6 7 7 8 8 8 8 8 8 8  
20 FT WIND GUST.  
EYE LVL WND DIR.S S S S S S S S S S S S  
EYE LVL WND SPD.3 3 3 3 3 4 4 4 4 4 4 4  
EYE LVL WND GST.  
HAINES INDEX....4 4 4 4 4 4 4 6 6 6 6 6  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-5 PERCENT).  
MIN TEMPERATURE.....AROUND 77.  
MAX HUMIDITY........76 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 6 TO 9 MPH.  
HAINES INDEX........4 TO 6 OR HIGH POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 5 MPH.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........0 0 0 0 0 0 0 0 0 0 0 2  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............105 103 99 94 92 89 87 86 85 82 82 79  
RH..............20 21 24 29 32 38 42 45 48 56 63 69  
20 FT WIND DIR..S S S S S S S S S S S SW  
20 FT WIND SPD..9 9 8 8 6 6 7 7 7 7 7 7  
20 FT WIND GUST.10 10  
EYE LVL WND DIR.S S S S S S S S S S S SW  
EYE LVL WND SPD.5 5 4 4 3 3 3 3 3 3 3 3  
EYE LVL WND GST.  
HAINES INDEX....6 6 6 6 6 6 6 4 4 4 4 4  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 106.  
MIN HUMIDITY........18 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 8 MPH.  
HAINES INDEX........4 TO 6 OR HIGH POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
EYE LEVEL WINDS.....SOUTH WINDS UP TO 4 MPH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........5 7 6 5 5 6 7 8 7 7 6 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............77 77 80 85 90 94 98 100 102 104 105 106  
RH..............76 74 67 57 49 37 30 25 22 20 18 18  
20 FT WIND DIR..SW SW SW SW SW SW SW SW S S S S  
20 FT WIND SPD..6 6 7 8 8 8 7 6 6 6 7 7  
20 FT WIND GUST.  
EYE LVL WND DIR.SW SW SW SW SW SW SW SW S S S S  
EYE LVL WND SPD.3 3 3 4 4 4 3 3 3 3 3 3  
EYE LVL WND GST.  
HAINES INDEX....4 4 4 4 4 4 4 6 6 6 6 6  
 

 
FORECASTER...HERNANDEZ  
REQUESTED BY...WAYNE JACKSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 1813090.3/FWD  
.DELDT 07/20/18  
.EMAIL WJACKSON@TFS.TAMU.EDU  
 
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