614  
FNUS74 KTSA 140122  
FWSTSA  
 
SPOT FORECAST FOR TOMBSTONE...OFS  
NATIONAL WEATHER SERVICE TULSA OK  
822 PM CDT TUE APR 13 2021  
 
FORECAST IS BASED ON FORECAST START TIME OF 2100 CDT ON APRIL 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT NWS TULSA AT (918)838-7838, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
A SLIGHT CHANCE OF RAIN BECOMES POSSIBLE THIS EVENING OVER  
SOUTHERN LE FLORE COUNTY WITH INCREASING RAIN CHANCES LATE  
EVENING THROUGH TONIGHT AND INTO WEDNESDAY MORNING. A SLIGHT  
CHANCE OF THUNDERSTORMS WILL ALSO BE POSSIBLE MID EVENING,  
OVERNIGHT TONIGHT, AND INTO WEDNESDAY MORNING.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN  
SHOWERS LATE IN THE EVENING. SLIGHT CHANCE OF  
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS  
OVERNIGHT.  
MIN TEMPERATURE.....AROUND 51.  
MAX HUMIDITY........83 PERCENT.  
DEWPOINT............48.  
WIND (20 FT)........NORTHEAST WINDS 6 TO 8 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE LATE  
EVENING AND OVERNIGHT.  
MIXING HEIGHT.......900 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 12 TO 18 MPH.  
SMOKE DISPERSAL.....POOR (3600 KNOT-FT).  
STABILITY CLASS.....6.  
1700FT AVG MIX T(F).67.  
EYE LEVEL WINDS.....NORTHEAST WINDS 7 TO 11 MPH.  
 
TIME (CDT) 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........71 80 88 78 88 90 92 95 96  
WEATHER COV.....SCH CHC CHC CHC DEF DEF DEF DEF DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH SCH SCH SCH  
TEMP............61 59 58 57 56 55 54 53 52  
DEWPOINT........49 49 48 48 48 47 48 47 47  
RH..............65 69 69 72 74 74 80 80 83  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..7 7 7 8 7 9 10 10 11  
20 FT WIND GUST.10 10 10 12 10 13 14 14 16  
EYE LVL WND DIR.NE NE NE NE NE NE NE NE NE  
EYE LVL WND SPD.7 7 7 8 7 9 10 10 11  
EYE LVL WND GST.10 10 10 12 10 13 14 14 16  
MIX HGT (KFT)...1.0 1.0 0.9 0.9 1.1 1.2 1.2 1.4 1.5  
TRANSP WIND DIR.NE NE NE NE NE E NE NE NE  
TRANSP WIND SPD.12 15 15 14 14 14 16 17 18  
VRATE KT-FT/1K..4 4 4 4 4 4 4 4 4  
1700FT MIX T(F).71 71 71 70 68 68 67 65 63  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). RAIN SHOWERS  
EARLY IN THE MORNING. SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING. CHANCE OF RAIN  
SHOWERS IN THE MORNING.  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........62 PERCENT.  
DEWPOINT............47.  
WIND (20 FT)........NORTHEAST WINDS 6 TO 7 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE  
MORNING.  
MIXING HEIGHT.......2400 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 16 TO 22 MPH DECREASING TO 8 TO 13  
MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (3800 KNOT-FT).  
STABILITY CLASS.....4.  
1700FT AVG MIX T(F).57.  
EYE LEVEL WINDS.....NORTHEAST WINDS 6 TO 11 MPH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........95 92 86 87 86 88 91 98 91 86 75 81  
WEATHER COV.....DEF CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW  
TSTM COV........SCH SCH SCH SCH SCH SCH SCH  
TEMP............52 51 52 53 55 56 57 58 59 60 60 60  
DEWPOINT........47 47 47 47 48 48 48 48 48 47 47 47  
RH..............83 86 83 80 77 74 72 69 67 62 62 62  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..11 11 9 9 8 8 8 8 7 6 6 7  
20 FT WIND GUST.16 16 13 13 12 12 12 12 10 10 10 10  
EYE LVL WND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
EYE LVL WND SPD.11 11 9 9 8 8 8 8 7 6 6 7  
EYE LVL WND GST.16 16 13 13 12 12 12 12 10 10 10 10  
MIX HGT (KFT)...1.5 1.4 1.5 1.5 1.5 1.6 1.8 2.2 2.3 2.4 2.3 2.3  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.17 18 22 18 18 16 12 12 8 13 8 12  
VRATE KT-FT/1K..4 5 5 5 5 5 5 4 4 4 4 4  
1700FT MIX T(F).61 59 56 55 53 54 55 56 57 58 59 59  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN  
SHOWERS IN THE EVENING. SLIGHT CHANCE OF RAIN  
SHOWERS OVERNIGHT.  
MIN TEMPERATURE.....AROUND 48.  
MAX HUMIDITY........86 PERCENT.  
DEWPOINT............46.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 13 MPH.  
SMOKE DISPERSAL.....POOR (700 KNOT-FT).  
STABILITY CLASS.....5.  
1700FT AVG MIX T(F).57.  
EYE LEVEL WINDS.....NORTHEAST WINDS 5 TO 7 MPH.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........79 72 75 79 82 83 83 84 79 75 70 64  
WEATHER COV..... CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............60 59 57 54 53 52 52 51 50 50 49 49  
DEWPOINT........47 47 46 46 46 46 46 46 46 45 45 45  
RH..............62 64 67 74 77 80 80 83 86 83 86 86  
20 FT WIND DIR..NE NE N N NE NE NE NE NE NE N NE  
20 FT WIND SPD..7 7 6 5 5 5 5 5 5 6 6 6  
20 FT WIND GUST.10 10 10 6 6 6 10 8 8 10 10 10  
EYE LVL WND DIR.NE NE N N NE NE NE NE NE NE N NE  
EYE LVL WND SPD.7 7 6 5 5 5 5 5 5 6 6 6  
EYE LVL WND GST.10 10 10 6 6 6 10 8 8 10 10 10  
MIX HGT (KFT)...2.0 1.8 0.9 0.8 0.7 0.7 0.7 0.8 0.8 0.8 0.7 0.6  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE NE N NE  
TRANSP WIND SPD.7 12 9 13 6 8 8 6 6 6 7 8  
VRATE KT-FT/1K..4 3 3 3 3 3 3 1 1 1 1 1  
1700FT MIX T(F).59 59 58 57 56 56 57 58 57 57 56 55  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS EARLY IN THE MORNING.  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........40 PERCENT.  
DEWPOINT............42.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH.  
MIXING HEIGHT.......4300 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 10 MPH.  
SMOKE DISPERSAL.....POOR (700 KNOT-FT).  
STABILITY CLASS.....4.  
1700FT AVG MIX T(F).58 INCREASING TO 64 LATE IN THE AFTERNOON.  
EYE LEVEL WINDS.....NORTHEAST WINDS 5 TO 6 MPH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........58 52 53 55 56 61 67 72 72 71 71 77  
WEATHER COV.....SCH  
WEATHER TYPE....RW  
TSTM COV........  
TEMP............48 48 49 52 55 58 60 62 63 64 65 65  
DEWPOINT........44 44 43 43 42 42 41 41 41 40 40 41  
RH..............86 86 80 71 61 55 49 46 44 41 40 41  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..6 6 6 6 6 6 6 6 6 6 5 5  
20 FT WIND GUST.10 11 11 12 12 11 10 10 10 10 10 10  
EYE LVL WND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
EYE LVL WND SPD.6 6 6 6 6 6 6 6 6 6 5 5  
EYE LVL WND GST.10 11 11 12 12 11 10 10 10 10 10 10  
MIX HGT (KFT)...0.6 0.7 1.0 1.5 2.1 2.8 3.5 4.0 4.3 4.2 3.9 3.2  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.8 9 10 10 10 9 8 7 6 6 6 6  
VRATE KT-FT/1K..1 4 4 4 4 4 4 4 4 4 4 4  
1700FT MIX T(F).55 55 54 54 55 57 60 62 63 64 65 65  
 

 
FORECASTER...JANKOWSKI  
REQUESTED BY...RANGER/SUMPTER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2108974.0/TSA  
.DELDT 04/13/21  
.FORMATTERVERSION 1.0.26  
.EMAIL ARRON.SUMPTER@AG.OK.GOV  
 
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