190  
FNUS74 KAMA 241606  
FWSAMA  
 
SPOT FORECAST FOR INCINERATOR STACK...STINNETT FIRE  
NATIONAL WEATHER SERVICE AMARILLO TX  
1106 AM CDT TUE APR 24 2018  
 
FORECAST IS BASED ON INCIDENT TIME OF 1200 CDT ON APRIL 24.  
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
 
 
WINDS WILL SWITCH AROUND TO THE NORTHEAST AND NORTH AT THE BURN  
SITE AROUND 2 PM. WINDS WILL INCREASE TO AROUND 15 MPH THIS  
EVENING. SOME RAIN SHOWERS AND POSSIBLY A THUNDERSTORM MAY  
AFFECT THE SITE AFTER 10 PM.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........41 PERCENT.  
SURFACE WINDS.......NORTHEAST WINDS 8 TO 12 MPH.  
WIND (20 FT)........NORTHEAST WINDS 8 TO 12 MPH.  
MIXING HEIGHT.......4500-6000 FT AGL INCREASING TO 5500-7000 FT AGL  
LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....EAST 6 TO 15 MPH.  
SMOKE DISPERSAL.....GOOD TO EXCELLENT (32500-60500 KNOT-FT).  
HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) NOON 2 PM 4 PM  
SKY COVER.......PCLDY MCLDY MCLDY  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).10 10 10  
TEMP............67 69 69  
RH..............46 43 42  
20 FT WIND......E 9 NE 8 N 10  
20 FT WIND GUST.12 10 15  
SURFACE WIND....E 10 NE 9 N 12  
SURFACE WND GST.12 10 15  
MIX HGT (KFT)...4.5 6.0 7.0  
TRANSP WIND DIR.S SE E  
TRANSP WIND SPD.15 8 7  
HAINES INDEX....4 3 3  
VRATE KT-FT/100059 42 42  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS AND  
THUNDERSTORMS LIKELY.  
CHANCE OF PCPN......70 PERCENT.  
MIN TEMPERATURE.....AROUND 41.  
MAX HUMIDITY........90 PERCENT.  
SURFACE WINDS.......NORTH WINDS 13 TO 15 MPH.  
WIND (20 FT)........NORTH WINDS 13 TO 15 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......3500 FT AGL DECREASING TO 1500-2000 FT AGL.  
TRANSPORT WINDS.....NORTH 21 TO 28 MPH.  
SMOKE DISPERSAL.....GOOD TO EXCELLENT (33000-63000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLDY MCLDY MCLDY CLOUDY CLOUDY CLOUDY  
WEATHER COV..... LIKELY LIKELY LIKELY LIKELY LIKELY  
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........ LIKELY LIKELY LIKELY LIKELY LIKELY  
CHC OF PCPN (%).10 70 70 70 70 70  
TEMP............64 57 52 48 46 44  
RH..............49 60 70 75 81 85  
20 FT WIND......NE 14 NE 15 N 14 N 14 N 14 N 14  
20 FT WIND GUST.20 23 21 20 20 20  
SURFACE WIND....NE 15 NE 17 N 16 N 15 N 15 N 15  
SURFACE WND GST.20 23 21 20 20 20  
MIX HGT (KFT)...3.5 2.0 2.0 1.5 1.5 1.5  
TRANSP WIND DIR.NE N N N N N  
TRANSP WIND SPD.21 28 24 25 26 26  
HAINES INDEX....3 3 3 3 3 3  
VRATE KT-FT/100063 48 42 33 35 35  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING  
MOSTLY SUNNY (30-40 PERCENT). SHOWERS AND  
THUNDERSTORMS LIKELY EARLY IN THE MORNING, THEN  
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING.  
CHANCE OF PCPN......70 PERCENT.  
MAX TEMPERATURE.....AROUND 63.  
MIN HUMIDITY........34 PERCENT.  
SURFACE WINDS.......NORTH WINDS 12 TO 13 MPH.  
WIND (20 FT)........NORTH WINDS 12 TO 13 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE  
MORNING.  
MIXING HEIGHT.......1500-3000 FT AGL INCREASING TO 4000 FT AGL LATE  
IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTH 20 TO 28 MPH DECREASING TO 13 TO 18 MPH  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR TO GOOD (27000-48000 KNOT-FT).  
HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......CLOUDY CLOUDY MCLDY MCLDY PCLDY PCLDY  
WEATHER COV.....LIKELY CHANCE CHANCE CHANCE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR NONE NONE  
TSTM COV........LIKELY S CHC S CHC S CHC  
CHC OF PCPN (%).70 40 40 40 10 10  
TEMP............42 41 43 49 55 61  
RH..............90 89 78 61 48 38  
20 FT WIND......N 13 N 13 N 13 N 13 N 13 N 12  
20 FT WIND GUST.18 18 18 18 18 16  
SURFACE WIND....N 14 N 14 N 14 N 14 N 14 N 13  
SURFACE WND GST.18 18 18 18 18 16  
MIX HGT (KFT)...1.5 1.5 1.5 2.0 2.5 3.0  
TRANSP WIND DIR.N N N N N N  
TRANSP WIND SPD.28 26 22 20 16 13  
HAINES INDEX....3 3 3 3 2 2  
VRATE KT-FT/100036 35 29 34 35 33  
 

 
FORECASTER...GOEHRING  
REQUESTED BY...FIRE CHIEF  
TYPE OF REQUEST...HAZMAT  
.TAG 1807646.0/AMA  
 
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