785  
FNUS74 KBRO 162325  
FWSBRO  
 
SPOT FORECAST FOR MIFLIN GATE FIRE...TDEM - DC  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
625 PM CDT MON APR 16 2018  
 
IF CONDITIONS BECOME UNREPRESENTATIVE,CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
RELATIVE HUMIDITY VALUES ARE EXPECTED TO INCREASE  
THROUGH THE NEXT SEVERAL HOURS, HOWEVER WINDS WILL DIMINISH TO  
ONLY MODERATE LEVELS. TOMORROW, ANY EMBERS THAT REMAIN FROM  
TONIGHT MAY REIGNITE AND SPREAD COURTESY OF STRONG WINDS FROM  
THE SOUTH-SOUTHEAST.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-5 PERCENT).  
MIN TEMPERATURE.....AROUND 63.  
MAX HUMIDITY........87 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS 13 TO 18 MPH WITH GUSTS TO AROUND  
17 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 13 TO 18 MPH WITH GUSTS TO AROUND  
23 MPH.  
MIXING HEIGHT.......1700-3600 FT AGL DECREASING TO 300-1100 FT AGL  
IN THE LATE EVENING AND OVERNIGHT.  
TRANSPORT WINDS.....SOUTH 20 TO 29 MPH DECREASING TO 16 TO 18 MPH  
LATE IN THE NIGHT.  
 
TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........0 0 0 0 0 0 1 1 1 1 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............83 79 75 73 71 69 68 67 66 65 64  
RH..............39 45 53 57 61 65 68 71 74 77 80  
20 FT WIND DIR..140 140 150 150 150 160 160 160 160 160 160  
20 FT WIND SPD..18 16 16 15 14 14 14 14 14 14 13  
20 FT WIND GUST.23 20 19 18 17 17 17 17 17 17 16  
EYE LVL WND DIR.140 140 150 150 150 160 160 160 160 160 160  
EYE LVL WND SPD.13 11 11 10 9 9 9 9 9 9 8  
EYE LVL WND GST.17 15 14 14 13 13 13 13 13 13 12  
MIX HGT (KFT)...2.7 2.2 1.7 1.1 0.9 0.7 0.5 0.4 0.4 0.3 0.3  
TRANSP WIND DIR.150 150 150 150 150 160 160 160 160 160 160  
TRANSP WIND SPD.29 26 24 22 21 21 21 21 20 18 16  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........38 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS 12 TO 20 MPH. GUSTS UP TO 31  
MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 12 TO 20 MPH. GUSTS UP TO 31  
MPH.  
MIXING HEIGHT.......200-1900 FT AGL INCREASING TO 2700-4000 FT AGL  
IN THE LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS.....SOUTH 14 TO 18 MPH INCREASING TO 24 TO 28 MPH  
IN THE LATE MORNING AND AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........1 7 7 7 7 7 7 0 0 0 0 0  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............63 63 64 69 74 78 81 85 87 89 90 90  
RH..............83 87 85 74 64 56 49 44 41 39 38 39  
20 FT WIND DIR..160 160 160 170 170 170 160 160 150 150 150 150  
20 FT WIND SPD..12 12 14 16 18 18 18 17 17 18 20 20  
20 FT WIND GUST.14 14 17 19 23 23 23 22 22 23 25 25  
EYE LVL WND DIR.160 160 160 170 170 170 160 160 150 150 150 150  
EYE LVL WND SPD.8 8 9 11 13 13 13 12 12 13 13 13  
EYE LVL WND GST.10 10 13 14 17 17 17 17 17 17 19 19  
MIX HGT (KFT)...0.3 0.2 1.1 1.9 2.7 3.1 3.5 3.9 3.9 4.0 4.0 3.5  
TRANSP WIND DIR.160 160 170 170 170 170 170 170 160 160 160 160  
TRANSP WIND SPD.14 15 18 24 28 28 26 25 24 25 26 26  
 

 
FORECASTER...TOMASELLI  
REQUESTED BY...BRANDI FISHER  
TYPE OF REQUEST...WILDFIRE  
.TAG 1806796.0/BRO  
.DELDT 04/16/18  
.EMAIL BRANDI.ASHBY-FISHER@DPS.TEXAS.GOV  
 
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