242  
FNUS74 KSHV 211445  
FWSSHV  
 
SPOT FORECAST FOR CLEAR SPRINGS PARK...U.S. ARMY CORPS OF ENGINEERS  
NATIONAL WEATHER SERVICE SHREVEPORT LA  
845 AM CST TUE JAN 21 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON JANUARY 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (318) 631-3669 EXT. 241, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
VERY DRY AIR CONDITIONS ARE EXPECTED BY THIS AFTERNOON WITH  
MINIMUM RH VALUES RANGING AT 20-25 PERCENT OR POTENTIALLY BELOW  
20 PERCENT. TRANSPORT WINDS WILL REMAIN AT 10-15 MPH THROUGH THE  
AFTERNOON BEFORE WANING BELOW 10 MPH BY SUNSET. /16/  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........26 AT IGNITION...MAX 34.  
RH..................52 PERCENT AT IGNITION...MIN 20 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WINDS NORTH AT 6 MPH AT IGNITION...OTHERWISE  
NORTH WINDS AROUND 6 MPH IN THE LATE MORNING  
AND EARLY AFTERNOON BECOMING LIGHT.  
MIXING HEIGHT.......2400 FT AGL AT IGNITION...OTHERWISE 4600 FT  
AGL.  
MIXING HEIGHT (M)...2400 METERS AGL AT IGNITION...OTHERWISE  
610-1402 METERS AGL.  
TRANSPORT WINDS.....NORTH 9 TO 17 MPH.  
TRANSPORT WINDS M/S.NORTH 4 TO 8 METERS/SECOND.  
DISPERSION INDEX....52 INCREASING TO 67 LATE IN THE MORNING, THEN  
INCREASING TO 78 EARLY IN THE AFTERNOON  
DECREASING TO 52 LATE IN THE AFTERNOON  
DECREASING TO 25.  
LVORI...............2.  
 
TIME (CST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........29 7 4 1 2 2 2 1 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0  
TEMP............26 28 30 31 32 33 33 34 31  
RH..............52 42 32 28 25 24 23 22 26  
20 FT WIND DIR..N N N N N N N N N  
20 FT WIND SPD..6 6 6 6 5 5 5 3 2  
20 FT WIND GUST.12 12 12 12 11 10 10 6 4  
MIX HGT (KFT)...2.4 3.1 3.5 4.0 4.3 4.6 4.6 4.3 2.0  
MIX HGT (KM)....0.7 0.9 1.1 1.2 1.3 1.4 1.4 1.3 0.6  
TRANSP WIND DIR.N N N N N N N N N  
TRANSP WIND SPD.17 17 17 16 16 16 14 13 9  
TRANS WIND DIR..N N N N N N N N N  
TRANS SPD (M/S).8 8 8 7 7 7 6 6 4  
DISPERSION IDX..52 63 71 76 82 82 74 52 25  
LVORI...........1 1 1 1 1 1 1 1 2  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........MIN 19.  
RH..................MAX 56 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTH AROUND 5 MPH AFTER 3  
AM.  
MIXING HEIGHT.......400 FT AGL.  
MIXING HEIGHT (M)...122-183 METERS AGL.  
TRANSPORT WINDS.....NORTH 3 TO 6 MPH SHIFTING TO THE NORTHEAST  
AROUND 2 MPH EARLY IN THE EVENING, THEN  
SHIFTING TO THE SOUTH 5 TO 10 MPH IN THE LATE  
EVENING AND OVERNIGHT.  
TRANSPORT WINDS M/S.NORTH AROUND 3 METERS/SECOND DECREASING TO  
AROUND 1 METERS/SECOND EARLY IN THE EVENING,  
THEN SHIFTING TO THE NORTHEAST EARLY IN THE  
EVENING SHIFTING TO THE SOUTH 2 TO 4  
METERS/SECOND IN THE LATE EVENING AND  
OVERNIGHT.  
DISPERSION INDEX....4.  
LVORI...............2.  
 
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 3 3 4 4 4 4 12 7 6 7 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............28 26 22 21 21 21 21 21 21 21 21 20  
RH..............32 36 45 47 49 49 49 49 52 52 52 56  
20 FT WIND DIR..N NW S S S S S S S S S S  
20 FT WIND SPD..1 1 1 1 2 2 2 2 3 3 4 5  
20 FT WIND GUST.2 2 2 4 5 6 6 6 7  
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.6 0.6 0.5 0.5  
MIX HGT (KM)....0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2 0.2 0.2 0.2  
TRANSP WIND DIR.N N NE SE S S S S S S S S  
TRANSP WIND SPD.6 3 2 5 5 6 7 8 9 9 9 10  
TRANS WIND DIR..N N NE SE S S S S S S S S  
TRANS SPD (M/S).3 1 1 2 2 3 3 4 4 4 4 4  
DISPERSION IDX..3 0 0 2 2 3 3 3 3 4 5 8  
LVORI...........2 2 2 2 2 2 2 2 2 2 2 2  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........MAX 46.  
RH..................MIN 29 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 6 TO 8 MPH.  
MIXING HEIGHT.......3500 FT AGL.  
MIXING HEIGHT (M)...152-1067 METERS AGL.  
TRANSPORT WINDS.....SOUTH 12 TO 21 MPH SHIFTING TO THE SOUTHWEST  
AROUND 12 MPH LATE IN THE AFTERNOON.  
TRANSPORT WINDS M/S.SOUTH 5 TO 9 METERS/SECOND SHIFTING TO THE  
SOUTHWEST AROUND 5 METERS/SECOND LATE IN THE  
AFTERNOON.  
DISPERSION INDEX....15 INCREASING TO 30 EARLY IN THE MORNING, THEN  
INCREASING TO 44 LATE IN THE MORNING INCREASING  
TO 54 LATE IN THE MORNING INCREASING TO 65  
INCREASING TO 79 EARLY IN THE AFTERNOON  
INCREASING TO 88 DECREASING TO 63 LATE IN THE  
AFTERNOON DECREASING TO 31.  
LVORI...............2.  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........4 4 4 2 5 2 2 2 3 3 4 5  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............21 21 22 28 33 36 40 42 44 46 44 41  
RH..............54 52 52 46 36 32 31 31 31 31 36 41  
20 FT WIND DIR..S S S S S S S S SW SW SW SW  
20 FT WIND SPD..5 5 5 6 6 7 7 7 7 6 5 3  
20 FT WIND GUST.10 10 11 12 13 14 14 14 14 13 10 7  
MIX HGT (KFT)...0.5 0.5 0.8 1.4 1.9 2.4 2.9 3.0 3.4 3.5 2.6 1.4  
MIX HGT (KM)....0.2 0.2 0.2 0.4 0.6 0.7 0.9 0.9 1.0 1.1 0.8 0.4  
TRANSP WIND DIR.S S S S S S S SW SW SW SW SW  
TRANSP WIND SPD.12 12 13 18 18 20 21 22 22 21 17 12  
TRANS WIND DIR..S S S S S S S SW SW SW SW SW  
TRANS SPD (M/S).5 5 6 8 8 9 9 10 10 9 8 5  
DISPERSION IDX..12 18 25 34 44 54 65 79 89 87 63 31  
LVORI...........2 2 1 1 1 1 1 1 1 1 1 2  
 

 
FORECASTER...CASSEL  
REQUESTED BY...DEAN ATTAWAY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2500970.0/SHV  
.DELDT 01/21/25  
.FORMATTERVERSION 1.0.26  
.EMAIL DEAN.ATTAWAY@USACE.ARMY.MIL  
 
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