962  
FNUS74 KAMA 162203  
FWSAMA  
 
SPOT FORECAST FOR COLLINSWORTH 4340...TFS  
NATIONAL WEATHER SERVICE AMARILLO TX  
503 PM CDT TUE SEP 16 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1700 CDT ON SEPTEMBER 16.  
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.  
   
DISCUSSION  
 
HOT AND BREEZY WEATHER CONDITIONS WILL BE PRESENT IN THE SPOT AREA  
NOW THROUGH SUNSET. SURFACE WIND DIRECTION CHANGES ARE NOT  
ANTICIPATED FOR THE NEXT SEVERAL HOURS. WINDS WILL BECOME LIGHT  
AND VARIABLE BY NIGHTFALL. RELATIVE HUMIDITY IS INCREASING NOW  
THROUGH THE REST OF THE DAY. THE LAST OBSERVED RH FOR THE SPOT WAS  
30%. THIS VALUE SHOULD BE SLOWLY RISING. THUNDERSTORMS CANNOT BE  
RULED OUT NOW THROUGH 10 PM. THOUGH SEVERE CHANCES ARE QUITE LOW,  
BUT CLOUD TO GROUND LIGHTNING AND HEAVY RAINFALL WILL BE POSSIBLE  
UNDER ANY THUNDERSTORM.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........31 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 9 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......7000 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 14 MPH.  
SMOKE DISPERSAL.....EXCELLENT (84100 KNOT-FT).  
 
TIME (CDT) 5PM  
SKY COVER.......PC  
WEATHER COV.....SCH  
WEATHER TYPE....RW  
TSTM COV........SCH  
CHC OF PCPN (%).20  
TEMP............90  
RH..............31  
20 FT WIND DIR..S  
20 FT WIND SPD..9  
20 FT WIND GUST.13  
MIX HGT (KFT)...7.0  
TRANSP WIND DIR.S  
TRANSP WIND SPD.14  
VRATE KT-FT/1K..84  
VENTRATE CAT....GD  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.  
CHANCE OF PCPN......20 PERCENT.  
MIN TEMPERATURE.....AROUND 63.  
MAX HUMIDITY........87 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 9 MPH IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH 9 TO 16 MPH.  
SMOKE DISPERSAL.....EXCELLENT (89300 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (4000 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR  
WEATHER COV.....SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW  
TSTM COV........SCH SCH SCH SCH  
CHC OF PCPN (%).20 20 20 20 10 10 10 0 0 0 0 0  
TEMP............89 87 83 78 76 74 73 71 70 69 66 66  
RH..............32 35 41 50 56 59 62 66 71 70 81 78  
20 FT WIND DIR..S S SE SE SE S S S S S SW SW  
20 FT WIND SPD..9 8 5 5 5 5 3 3 2 2 2 2  
20 FT WIND GUST.13 12 9 8 7 6 6 6 5 5 5 5  
MIX HGT (KFT)...6.4 2.8 0.6 0.6 0.6 0.6 0.5 0.6 0.6 0.5 0.5 0.5  
TRANSP WIND DIR.S S S S S S S S S S S SW  
TRANSP WIND SPD.16 16 12 12 13 13 13 12 10 10 10 9  
VRATE KT-FT/1K..89 39 6 6 6 6 6 6 5 5 5 4  
VENTRATE CAT....GD PR PR PR PR PR PR PR PR PR PR PR  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY (20-30 PERCENT). SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 88.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 9 MPH IN  
THE LATE MORNING AND EARLY AFTERNOON, THEN  
SHIFTING TO THE SOUTH AROUND 9 MPH LATE IN THE  
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......8200 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 8 TO 15 MPH.  
SMOKE DISPERSAL.....POOR (3300 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (100300 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MCR MCR MCR MCR CLR CLR MCR MCR MCR MCR PC PC  
WEATHER COV..... SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH  
CHC OF PCPN (%).0 10 10 10 10 10 10 20 20 20 20 20  
TEMP............65 63 64 69 76 80 83 85 86 86 87 84  
RH..............84 87 84 70 54 47 40 37 35 34 34 37  
20 FT WIND DIR..SW W W SW SW SW SW SW S S S S  
20 FT WIND SPD..2 2 3 5 5 7 8 9 9 9 9 9  
20 FT WIND GUST.5 5 5 6 8 11 12 13 13 13 14 13  
MIX HGT (KFT)...0.5 0.4 0.5 0.8 1.7 3.8 5.8 7.3 8.0 8.1 8.2 7.7  
TRANSP WIND DIR.SW SW SW W W SW SW S S S S S  
TRANSP WIND SPD.10 10 8 10 15 15 14 14 14 14 14 15  
VRATE KT-FT/1K..4 4 3 7 22 49 70 88 96 98 98 100  
VENTRATE CAT....PR PR PR PR PR FR GD GD GD GD GD VGD  
 
 
FORECASTER...COR  
REQUESTED BY...GRAHAM TYPE OF REQUEST...WILDFIRE  
.TAG 2522062.0/AMA .DELDT 09/16/25 .FORMATTERVERSION 2.0.0  
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