809  
FNUS73 KTOP 231442  
FWSTOP  
 
SPOT FORECAST FOR BIA BURN...BIA  
NATIONAL WEATHER SERVICE TOPEKA KS  
942 AM CDT SUN APR 23 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
LIGHT AND VARIABLE WINDS THIS MORNING WILL SHIFT TO THE SOUTHEAST AND  
INCREASE BETWEEN 5 AND 10 MPH FROM IGNITION TIME UNTIL NOON. AFTER 2  
PM CDT, WINDS INCREASE BETWEEN 8 AND 12 MPH FROM THE SOUTH. WIND GUSTS  
MAY OCCASIONALLY GUST UP TO 15 MPH IN THE HIGHER ELEVATION, OTHERWISE  
NOT EXPECTED. RH VALUES ARE OF SLIGHT CONCERN TODAY, GIVEN THE DRY  
AIR IN PLACE AND FORECAST HIGHS IN THE LOW 70S. SIDED TOWARDS THE  
DRIER SOLUTIONS FROM OUR SHORT TERM GUIDANCE, WHICH WOULD DROP  
MIN RH VALUES IN TO THE LOW 20S BETWEEN 1 AND 3 PM. THESE WILL  
QUICKLY INCREASE AFTER SUNSET.  
 
WINDS ARE EXPECTED TO REMAIN STEADY FROM THE SOUTH AT AROUND  
10 MPH THROUGH MIDNIGHT. AFTERWARD MIDNIGHT, WINDS INCREASE FROM  
THE SOUTH AT 15 TO 20 MPH SUSTAINED, WIND GUSTS UP TO 30 MPH ARE  
EXPECTED THROUGH MONDAY MORNING.  
   
TODAY
 
 
TEMPERATURE.........58 AT IGNITION...MAX 72.  
RH..................44 PERCENT AT IGNITION...MIN 24.  
SKY/WEATHER.........SUNNY.  
MIXING HEIGHT.......2500 FT AGL AT IGNITION...OTHERWISE 300-1800 FT  
AGL INCREASING TO 2500-4400 FT AGL IN THE LATE  
MORNING AND AFTERNOON.  
WIND (20 FT)........WINDS SOUTHWEST AT 5 MPH AT  
IGNITION...OTHERWISE LIGHT WINDS BECOMING  
SOUTHWEST AROUND 5 MPH LATE IN THE MORNING,  
THEN INCREASING TO SOUTH IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 5.  
CHANCE OF PCPN......0 PERCENT.  
 
TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY (%).........0 0 0 1 1 1  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............42 54 61 67 70 72  
RH..............67 52 33 27 25 25  
20 FT WIND......W 3 W 3 SW 5 S 7 S 7 S 9  
20 FT WIND GUST.5 5 10 10 15  
CHC OF PCPN (%).0 0 0 0 0 0  
HAINES INDEX....5 5 5 5 5 5  
   
TONIGHT
 
 
TEMPERATURE.........MIN 45.  
RH..................MAX 76 PERCENT.  
SKY/WEATHER.........MOSTLY CLEAR.  
MIXING HEIGHT.......2300-3400 FT AGL DECREASING TO 300-1300 FT AGL  
EARLY IN THE EVENING.  
WIND (20 FT)........SOUTH WINDS 6 TO 11 MPH.  
HAINES INDEX........MAX 5.  
CHANCE OF PCPN......0 PERCENT.  
 

 
FORECASTER...PRIETO  
REQUESTED BY...LUKE POLLUCK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1707574.0/TOP  
 
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