348  
FNUS74 KAMA 131709  
FWSAMA  
 
SPOT FORECAST FOR LIGHTNING WEST FIRE...BORGER FIRE DEPT  
NATIONAL WEATHER SERVICE AMARILLO TX  
1209 PM CDT MON JUL 13 2020  
 
FORECAST IS BASED ON FORECAST START TIME OF 1300 CDT ON JULY 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (806) 335-1421, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
 
 
   
DISCUSSION
 
 
MOSTLY SUNNY AND HOT THIS AFTERNOON, WITH MAINLY CLEAR SKIES AND  
HEAT BEING THE MAIN ISSUE. SOUTHWEST WINDS WILL CONTNUE FOR THE  
AFTERNOON AND EVENING HOURS, WHILE A POP UP SHOWER OR THUNDERSTORM  
CAN NOT BE RULED OUT. WHILE WINDS WILL BE RELATIVELY UNDER CONTROL  
THIS AFTERNOON, THERE WILL BE SOME STRAY WIND GUSTS FROM THE  
SOUTH AND SOUTHWEST AROUND 20 KNOTS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 112.  
MIN HUMIDITY........12 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 6 TO 9 MPH.  
MIXING HEIGHT.......13500-14500 FT AGL INCREASING TO 16000-17000 FT  
AGL LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST 14 TO 20 MPH.  
SMOKE DISPERSAL.....EXCELLENT (201600 KNOT-FT).  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
 
TIME (CDT) 1 PM 3 PM 5 PM  
SKY COVER.......CLEAR CLEAR CLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0  
LAL.............1 1 1  
TEMP............103 108 111  
RH..............16 14 12  
20 FT WIND......SW 9 SW 7 SW 7  
20 FT WIND GUST.14 11 14  
MIX HGT (KFT)...14 16 17  
TRANSP WIND DIR.SW SW SW  
TRANSP WIND SPD.20 16 14  
HAINES INDEX....4 4 4  
VRATE KT-FT/1000230 219 202  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING.  
CHANCE OF PCPN......20 PERCENT.  
LAL.................NO TSTMS UNTIL 1900, THEN 1-8 STRIKES UNTIL  
2400, THEN NO TSTMS.  
MIN TEMPERATURE.....AROUND 76.  
MAX HUMIDITY........52 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 9 TO 14 MPH SHIFTING TO THE  
SOUTHWEST 7 TO 9 MPH AFTER MIDNIGHT, THEN  
SHIFTING TO THE SOUTHEAST AROUND 9 MPH EARLY IN  
THE MORNING SHIFTING TO THE SOUTHWEST AROUND 8  
MPH EARLY IN THE MORNING. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE  
EVENING.  
MIXING HEIGHT.......16500 FT AGL DECREASING TO 0 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 16 MPH.  
SMOKE DISPERSAL.....EXCELLENT (203600 KNOT-FT) DECREASING TO POOR  
(0 KNOT-FT).  
HAINES INDEX........4 TO 5 OR LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO MODERATE POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLEAR PCLDY MCLDY MCLDY MCLDY MCLDY  
WEATHER COV..... S CHC S CHC  
WEATHER TYPE....NONE RNSHWR RNSHWR NONE NONE NONE  
TSTM COV........ S CHC S CHC  
CHC OF PCPN (%).0 20 20 10 0 0  
LAL.............1 2 2 2 1 1  
TEMP............111 106 93 87 82 79  
RH..............12 15 25 34 42 48  
20 FT WIND......S 9 S 12 SE 14 SW 9 S 9 SW 8  
20 FT WIND GUST.14 16 14 11 9  
MIX HGT (KFT)...17 11 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.SW S S SW SW S  
TRANSP WIND SPD.14 15 16 15 12 7  
HAINES INDEX....4 5 5 5 4 4  
VRATE KT-FT/1000204 149 0 0 0 0  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 109.  
MIN HUMIDITY........14 PERCENT.  
WIND (20 FT)........NORTH WINDS 8 TO 10 MPH.  
MIXING HEIGHT.......0-1500 FT AGL INCREASING TO 16500-17000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 14 MPH.  
SMOKE DISPERSAL.....POOR TO GOOD (0-42000 KNOT-FT) INCREASING TO  
EXCELLENT (110200 KNOT-FT).  
HAINES INDEX........4 TO 5 OR LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO MODERATE POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......MCLDY MCLEAR MCLEAR MCLEAR PCLDY PCLDY  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 10 10  
LAL.............1 1 1 1 1 1  
TEMP............77 80 92 101 106 108  
RH..............50 47 29 20 16 15  
20 FT WIND......SW 8 SW 9 W 10 NW 9 NW 8 N 8  
20 FT WIND GUST.9 11 14 11 9 9  
MIX HGT (KFT)...0.1 0.5 1.5 5.0 11 17  
TRANSP WIND DIR.SW SW W SW SW SW  
TRANSP WIND SPD.7 10 14 13 9 7  
HAINES INDEX....4 5 5 5 4 4  
VRATE KT-FT/10000 4 18 56 89 102  
 

 
FORECASTER...FOX  
REQUESTED BY...ARCHIE STONE  
TYPE OF REQUEST...WILDFIRE  
.TAG 2009237.1/AMA  
.DELDT 07/13/20  
 
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