459  
FNUS73 KEAX 151135  
FWSEAX  
 
SPOT FORECAST FOR GATLIN MARSH TREE PREPARATION...USFWS: MARAIS DES CYGNES NWR  
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO  
635 AM CDT MON MAY 15 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 15.  
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
 
 
BREEZY SOUTHERLY WINDS ARE EXPECTED TO REDEVELOP THIS MORNING AND WILL  
CONTINUE THROUGH THE EARLY EVENING HOURS. WIND DIRECTION SHOULD STAY  
FAIRLY STEADY ONCE WINDS COME UP, REMAINING BETWEEN ABOUT 180 TO 200  
DEGREES (S TO SSW) AT THE SURFACE.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CWR.................1 PERCENT.  
MAX TEMPERATURE.....AROUND 86.  
MIN HUMIDITY........50 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 9 TO 12 MPH WITH GUSTS TO AROUND 25  
MPH.  
MIXING HEIGHT.......2000-3800 FT AGL.  
TRANSPORT WINDS.....SOUTH 20 TO 23 MPH.  
HAINES INDEX........5 TO 6 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........31 26 22 20 16 14 14  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0  
TEMP............75 78 81 83 85 85 86  
RH..............69 67 63 59 53 53 50  
20 FT WIND DIR..S S S S S S S  
20 FT WIND SPD..10 9 11 11 12 12 11  
20 FT WIND GUST.20 20 20 20 20 25 20  
MIX HGT (KFT)...2.0 2.7 3.2 3.6 3.8 3.8 3.6  
TRANSP WIND DIR.S S S S S S S  
TRANSP WIND SPD.20 21 22 23 23 23 23  
HAINES INDEX....6 6 5 5 5 5 5  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
CWR.................1 PERCENT.  
MIN TEMPERATURE.....AROUND 64.  
MAX HUMIDITY........87 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 6 TO 10 MPH.  
MIXING HEIGHT.......1800-3200 FT AGL DECREASING TO 100-900 FT AGL  
IN THE LATE EVENING AND OVERNIGHT.  
TRANSPORT WINDS.....SOUTH 22 TO 29 MPH.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........13 15 14 13 12 14 22 22 26 30 34 35  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............85 83 80 75 73 71 70 69 67 66 65 64  
RH..............51 55 58 69 71 73 76 76 81 81 84 87  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..10 8 7 6 7 7 7 7 7 7 7 7  
20 FT WIND GUST.20 20 10 10 10 10 10 10 10 10 10 10  
MIX HGT (KFT)...3.2 2.6 1.8 0.9 0.2 0.1 0.1 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.23 22 23 24 25 26 26 28 28 28 28 29  
HAINES INDEX....5 5 5 5 5 5 5 5 5 5 5 5  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).  
CWR.................1 PERCENT.  
MAX TEMPERATURE.....AROUND 83.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 8 TO 14 MPH. GUSTS UP TO 30 MPH IN  
THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......300-1700 FT AGL INCREASING TO 2400-4200 FT AGL  
LATE IN THE MORNING.  
TRANSPORT WINDS.....SOUTH 29 TO 35 MPH.  
HAINES INDEX........3 TO 5 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL  
FOR LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........36 37 41 48 51 50 49 48 46 41 39 41  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............64 64 68 71 75 77 78 79 81 82 83 83  
RH..............84 84 76 71 64 60 58 56 51 49 46 46  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..8 9 8 10 12 13 13 13 14 14 14 13  
20 FT WIND GUST.15 15 15 25 30 30 30 30 30 30 30 30  
MIX HGT (KFT)...0.3 0.5 0.7 1.1 1.7 2.4 3.1 3.7 4.1 4.2 4.0 3.4  
TRANSP WIND DIR.SW SW SW S S S S S S S S S  
TRANSP WIND SPD.29 30 31 32 33 35 35 35 35 35 35 35  
HAINES INDEX....5 3 3 3 4 4 4 3 3 3 3 3  
 

 
FORECASTER...LAFLIN  
REQUESTED BY...DEON STEINLE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1709502.0/EAX  
.EMAIL DEON_STEINLE@FWS.GOV  
 
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