405  
FNUS74 KSJT 270014  
FWSSJT  
 
SPOT FORECAST FOR ROCKIN RK RX...COLEMAN FIRE DEPARTMENT  
NATIONAL WEATHER SERVICE SAN ANGELO TX  
614 PM CST FRI FEB 26 2021  
 
FORECAST IS BASED ON IGNITION TIME OF 1900 CST ON FEBRUARY 26.  
PLEASE CONTACT OUR OFFICE AT 325-944-3030 IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
EXPECT SOUTH WINDS OF 5 TO 10 MPH SATURDAY WITH A FEW GUSTS TO 15  
MPH DURING THE AFTERNOON. FOR SATURDAY NIGHT, EXPECT SOUTH WINDS  
OF 5 TO 10 MPH WITH A FEW GUSTS TO 15 MPH DURING THE EVENING. THE  
RH VALUES WILL BE 95 TO 100 PERCENT THROUGH 10 AM SATURDAY AND  
THEN FALL TO 65 PERCENT BY 2 PM AND A MINIMUM RH OF AROUND 55  
PERCENT BY LATE AFTERNOON. THE RH VALUES WILL INCREASE TO AROUND  
85 PERCENT BY LATE SATURDAY EVENING.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (60-70 PERCENT). AREAS OF FOG  
LATE IN THE NIGHT.  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 48.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH.  
MIXING HEIGHT.......0-100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 7 MPH.  
SMOKE DISPERSAL.....POOR (200 KNOT-FT).  
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (CST) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM  
SKY (%).............18 28 53 73 72 79  
WEATHER COV......... AREAS AREAS  
WEATHER TYPE........NONE NONE NONE NONE FOG FOG  
TSTM COV............  
LAL.................1 1 1 1 1 1  
TEMP................57 51 49 48 48 49  
RH..................57 80 93 100 100 100  
20 FT WIND DIR......S SE SE S S S  
20 FT WIND SPD......5 5 5 5 5 5  
20 FT WIND GUST.....7 7 7 6 7 6  
MIX HGT (FT)........100 BLW100 BLW100 100 100 100  
TRANSPORT WIND......S 5 SE 7 SE 6 SE 6 S 7 S 5  
HAINES INDEX........5 4 4 5 4 4  
SDSPL KT-FT/1000....1 0 0 0 0 0  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). AREAS OF FOG  
EARLY IN THE MORNING.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........52 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 13 MPH.  
MIXING HEIGHT.......100-1900 FT AGL INCREASING TO 1900-2500 FT AGL  
LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 2 TO 13 MPH SHIFTING TO THE SOUTHEAST 3  
TO 12 MPH LATE IN THE MORNING, THEN INCREASING  
TO SOUTH 15 TO 23 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO GOOD (200-48400 KNOT-FT).  
HAINES INDEX........2 TO 5 OR VERY LOW TO MODERATE POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).............73 95 93 93 89 75  
WEATHER COV.........AREAS AREAS  
WEATHER TYPE........FOG FOG NONE NONE NONE NONE  
TSTM COV............  
LAL.................1 1 1 1 1 1  
TEMP................49 50 56 62 68 73  
RH..................100 100 95 77 65 55  
20 FT WIND DIR......S S S S S S  
20 FT WIND SPD......5 5 5 7 9 12  
20 FT WIND GUST.....6 6 7 10 13 14  
MIX HGT (FT)........100 100 200 500 1900 2200  
TRANSPORT WIND......S 3 SE 2 SE 6 S 12 S 20 S 23  
HAINES INDEX........5 5 2 2 2 2  
SDSPL KT-FT/1000....0 0 1 5 32 44  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 52.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........SOUTH WINDS 8 TO 23 MPH DECREASING TO 5 TO 7  
MPH EARLY IN THE EVENING.  
MIXING HEIGHT.......100-1500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 17 MPH DECREASING TO 6 TO 7 MPH  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR TO FAIR (600-27200 KNOT-FT).  
HAINES INDEX........5 TO 6 OR MODERATE TO HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).............66 79 80 75 83 88  
WEATHER COV.........  
WEATHER TYPE........NONE NONE NONE NONE NONE NONE  
TSTM COV............  
LAL.................1 1 1 1 1 1  
TEMP................72 62 58 55 54 53  
RH..................52 73 87 96 100 100  
20 FT WIND DIR......S S S S SW SW  
20 FT WIND SPD......9 7 6 5 5 5  
20 FT WIND GUST.....13 10 8 7 7 7  
MIX HGT (FT)........1500 600 200 200 100 100  
TRANSPORT WIND......S 21 S 13 S 8 S 8 S 7 S 6  
HAINES INDEX........5 5 6 5 5 6  
SDSPL KT-FT/1000....27 7 1 1 1 1  
 

 
FORECASTER...CUNNINGHAM  
REQUESTED BY...DUSTON CRAWFORD  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2103204.0/SJT  
.DELDT 02/26/21  
.EMAIL DUSTON.CRAWFORD@COLEMANFIRE.COM  
 
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