902  
FNUS73 KEAX 181642  
FWSEAX  
 
SPOT FORECAST FOR SWAN LAKE G UNITS...USFWS  
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO  
1042 AM CST WED DEC 18 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 CST ON DECEMBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT 1-800-438-0596, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
WIND CONDITIONS TOMORROW NEAR THE START TIME OF THE BURN LOOK  
GUSTY OUT OF THE SOUTHWEST. WINDS MAY BE GUSTING TO NEAR 25 MPH AT  
TIMES. WINDS THEN DIMINISH LATE IN THE AFTERNOON WITH LOSS OF  
DAYTIME HEATING AND RESULTING MIXING.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 39.  
MIN HUMIDITY........57 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 6 TO 10 MPH LATE IN THE MORNING  
BECOMING LIGHT.  
MIXING HEIGHT.......2800 FT AGL.  
TRANSPORT WINDS.....NORTH 9 TO 17 MPH.  
HAINES INDEX........2 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (CST) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........47 41 26 17 24 28 23  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0  
TEMP............36 37 38 38 38 39 36  
RH..............72 70 67 64 62 57 64  
20 FT WIND DIR..N NW NW NW NW NW N  
20 FT WIND SPD..10 10 10 9 8 6 3  
20 FT WIND GUST.18 18 17 16 15 13 9  
MIX HGT (KFT)...2.3 2.4 2.6 2.8 2.7 2.5 1.5  
TRANSP WIND DIR.N N N N N N NW  
TRANSP WIND SPD.17 15 15 15 14 13 9  
HAINES INDEX....2 2 3 3 4 4 3  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 25.  
MAX HUMIDITY........96 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH AFTER 3  
AM.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 8 MPH SHIFTING TO THE EAST AROUND 5  
MPH LATE IN THE EVENING, THEN SHIFTING TO THE  
SOUTH 6 TO 14 MPH LATE IN THE EVENING.  
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........28 28 27 30 41 35 46 47 34 24 14 15  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............34 32 30 29 28 27 27 27 27 26 26 27  
RH..............69 75 78 78 81 85 88 88 88 92 92 92  
20 FT WIND DIR..N N N NE E SE SE SE SE S S S  
20 FT WIND SPD..2 1 1 1 1 1 2 2 3 5 6 7  
20 FT WIND GUST.6 6 5 5 6 6 7 8 10 12 14 15  
MIX HGT (KFT)...0.8 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5  
TRANSP WIND DIR.N N N E E SE SE S S S S S  
TRANSP WIND SPD.8 5 5 5 5 6 8 8 10 12 13 14  
HAINES INDEX....3 3 4 4 4 4 4 4 4 4 4 4  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 49.  
MIN HUMIDITY........50 PERCENT.  
WIND (20 FT)........SOUTH WINDS 8 TO 14 MPH WITH GUSTS TO AROUND 25  
MPH SHIFTING TO THE SOUTHWEST 10 TO 15 MPH WITH  
GUSTS TO AROUND 26 MPH LATE IN THE MORNING.  
MIXING HEIGHT.......2500 FT AGL.  
TRANSPORT WINDS.....SOUTH 14 TO 22 MPH SHIFTING TO THE WEST AROUND  
20 MPH LATE IN THE AFTERNOON.  
HAINES INDEX........3 TO 5 OR VERY LOW TO MODERATE POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........17 25 37 38 21 9 10 10 7 7 10 15  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............27 27 29 33 37 40 45 46 48 49 47 46  
RH..............96 96 96 89 75 70 60 57 52 50 51 54  
20 FT WIND DIR..S S S S SW SW SW SW W W SW W  
20 FT WIND SPD..8 9 10 12 14 14 15 15 14 13 12 10  
20 FT WIND GUST.17 20 21 23 25 25 26 25 25 24 22 21  
MIX HGT (KFT)...0.6 0.7 0.9 1.3 1.7 2.0 2.2 2.4 2.5 2.4 2.0 1.3  
TRANSP WIND DIR.S S S S SW SW SW W W W W W  
TRANSP WIND SPD.14 16 18 22 24 25 25 24 23 22 21 20  
HAINES INDEX....4 4 4 4 4 3 3 3 4 4 4 5  
 

 
FORECASTER...BOWMAN  
REQUESTED BY...CHRIS WOODSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2428694.0/EAX  
.DELDT 12/18/24  
.FORMATTERVERSION 2.0.0  
.EMAIL CHRIS_WOODSON@FWS.GOV  
 
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