854  
FNUS74 KEWX 191149  
FWSEWX  
 
SPOT FORECAST FOR CAMP SWIFT UNIT 23...TEXAS A&M FOREST SERVICE  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX  
649 AM CDT TUE OCT 19 2021  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON OCTOBER 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
LOW LEVEL MOISTURE AND DEWPOINTS GRADUALLY INCREASE TODAY THROUGH  
WEDNESDAY WITH SOUTH TO SOUTHEAST FLOW PREVAILING. RELATIVE HUMIDITY WILL  
STAY ABOVE 50% TODAY AND WEDNESDAY. WINDS WILL BECOME BREEZY FROM THE  
SOUTH THIS AFTERNOON AND EVENING WITH GUSTS UP TO 18 MPH.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
CWR.................0 PERCENT.  
LAL.................NO TSTMS.  
TEMPERATURE.........63 AT IGNITION...MAX 81.  
RH..................89 PERCENT AT IGNITION...MIN 54 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS UP TO 6 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......WINDS SOUTHEAST AT 5 MPH AT  
IGNITION...OTHERWISE SOUTHEAST WINDS 5 TO 8  
MPH.  
MIXING HEIGHT.......800 FT AGL AT IGNITION...OTHERWISE 3800 FT AGL.  
TRANSPORT WINDS.....SOUTH 8 TO 16 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH AT IGNITION...MAX 5.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........28 35 42 49 47 45 43 42 50  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1  
TEMP............63 68 73 75 78 79 79 80 79  
RH..............89 79 71 66 61 58 56 54 56  
20 FT WIND DIR..SE SE S S S S S S S  
20 FT WIND SPD..5 6 8 9 10 10 10 9 8  
20 FT WIND GUST.7 9 12 13 14 17 17 17 16  
EYE LVL WND DIR.SE SE S S S S S S S  
EYE LVL WND SPD.3 4 5 5 6 6 6 5 5  
EYE LVL WND GST.4 5 7 8 8 10 10 10 10  
MIX HGT (KFT)...0.8 1.0 1.6 2.7 3.3 3.5 3.7 3.8 3.1  
TRANSP WIND DIR.SE S S S S S S S S  
TRANSP WIND SPD.8 10 13 15 16 15 14 12 9  
HAINES INDEX....4 4 4 5 5 5 5 5 5  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT).  
CWR.................0 PERCENT.  
LAL.................NO TSTMS.  
TEMPERATURE.........MIN 61.  
RH..................MAX 100 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS UP TO 5 MPH SHIFTING TO THE  
SOUTHEAST AROUND 3 MPH OVERNIGHT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 7 MPH IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
TIME (CDT) 6 PM 9 PM MIDNGT 3 AM  
SKY (%).........58 53 36 52  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0  
LAL.............1 1 1 1  
TEMP............78 70 66 63  
RH..............61 81 92 100  
20 FT WIND......SE 7G15 SE 7G12 S 6G12 S 5G9  
EYE LEVEL WIND..SE 4G9 SE 4G7 S 4G7 S 3G5  
MIX HGT (FT)....1500 600 600 400  
TRANSPORT WIND..SE 7 S 7 S 9 S 7  
HAINES INDEX....4 4 4 4  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING  
SUNNY (15-25 PERCENT).  
CWR.................0 PERCENT.  
LAL.................NO TSTMS.  
TEMPERATURE.........MAX 84.  
RH..................MIN 56 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 3 MPH LATE IN  
THE MORNING, THEN SHIFTING TO THE AROUND 4 MPH  
IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......3500 FT AGL.  
TRANSPORT WINDS.....SOUTH 2 TO 5 MPH.  
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........73 54 37 18  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0  
LAL.............1 1 1 1  
TEMP............62 67 78 83  
RH..............100 100 74 58  
20 FT WIND......SE 1G2 E 2G5 S 5G9 S 7G10  
EYE LEVEL WIND..SE 1 E 1G3 S 3G5 S 4G6  
MIX HGT (FT)....300 900 2400 3400  
TRANSPORT WIND..SE 3 S 2 S 3 S 3  
HAINES INDEX....4 4 5 5  
 

 
FORECASTER...05  
REQUESTED BY...STEVEN MOORE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2119653.1/EWX  
.DELDT 10/19/21  
.FORMATTERVERSION 2.0.0  
.EMAIL SMOORE@TFS.TAMU.EDU  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TX Page Main Text Page