487
FNUS73 KTOP 050941
FWSTOP
SPOT FORECAST FOR PT-141 ET. AL PILE BURNS...BIA HORTON AGENCY
NATIONAL WEATHER SERVICE TOPEKA KS
441 AM CDT FRI SEP 5 2025
FORECAST IS BASED ON IGNITION TIME OF 0000 CDT ON SEPTEMBER 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THERE IS A SMALL (~20%) CHANCE FOR SOME LIGHT RAIN TO IMPACT THE
BURN SITE THIS MORNING, ALTHOUGH BETTER CHANCES ARE FOCUSED SOUTH
OF THE AREA. ANY RAIN SHOULD BE SOUTH OF THE SITE BY NOON. MOSTLY
CLOUDY SKIES LOOK TO REMAIN IN PLACE THROUGH THE DAY, KEEPING
COOLER CONDITIONS WITH HIGH TEMPERATURES IN THE MID TO UPPER 60S
AND RH VALUES BETWEEN 45-50%. WINDS SHOULD STAY LIGHT, MAINLY
FROM THE NORTH TO NORTHWEST FOR MOST OF THE DAY BEFORE BACKING
TOWARD THE WEST LATE THIS AFTERNOON.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN
THE MORNING.
CHANCE OF PCPN......20 PERCENT.
TEMPERATURE.........MAX 67.
RH..................MIN 50 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH
LATE IN THE MORNING, THEN BECOMING LIGHT LATE
IN THE AFTERNOON.
MIXING HEIGHT.......4700 FT AGL.
SMOKE DISPERSAL.....POOR (4000 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (61100 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC CDY CDY CDY MC MC MC MC MC MC MC MC
WEATHER COV.....SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).20 20 20 20 20 10 10 10 0 0 0 0
TEMP............56 57 57 58 61 62 64 64 65 66 65 65
RH..............74 67 69 69 62 58 52 54 52 50 52 52
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..3 3 3 4 4 5 5 5 5 5 4 4
20 FT WIND GUST.11 9 9 9 11 11 11 11 9 9 9 8
MIX HGT (KFT)...0.5 0.5 0.6 1.0 1.3 2.2 3.0 3.7 4.1 4.3 4.7 4.3
SDSPL KT-FT/10004 6 7 9 16 31 36 44 49 52 61 52
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLEAR.
CHANCE OF PCPN......0 PERCENT.
TEMPERATURE.........MIN 45.
RH..................MAX 89 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
MIXING HEIGHT.......500 FT AGL.
SMOKE DISPERSAL.....GOOD (31300 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1900 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MC PC PC MCR MCR MCR CLR CLR MCR MCR MCR MCR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............65 63 59 56 54 52 51 50 49 49 47 47
RH..............52 58 62 66 71 74 77 80 80 80 83 83
20 FT WIND DIR..NW W W W W W W W W W SW W
20 FT WIND SPD..3 2 2 2 2 1 1 1 1 1 1 1
20 FT WIND GUST.7 6 5 5 5 5 5 5 3 5 5 3
MIX HGT (KFT)...3.1 0.8 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
SDSPL KT-FT/100031 7 3 3 3 3 2 2 3 3 3 3
SATURDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
TEMPERATURE.........MAX 73.
RH..................MIN 44 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
MIXING HEIGHT.......6600 FT AGL.
SMOKE DISPERSAL.....POOR (2400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (81200 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR CLR MCR MCR MCR MCR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............47 45 48 53 61 64 67 70 72 72 72 72
RH..............83 89 86 80 65 60 54 47 44 46 46 48
20 FT WIND DIR..W W W W W W W W W W W NW
20 FT WIND SPD..1 1 1 1 2 2 3 3 3 3 3 3
20 FT WIND GUST.3 3 3 5 5 6 6 6 7 7 7 6
MIX HGT (KFT)...0.5 0.4 0.4 0.7 1.2 2.7 4.1 5.2 6.1 6.6 6.2 4.5
SDSPL KT-FT/10003 3 2 4 7 25 43 57 73 81 75 46
FORECASTER...PICHA
REQUESTED BY...RICK C. JONES
TYPE OF REQUEST...PRESCRIBED
.TAG 2521248.0/TOP
.DELDT 09/03/25
.FORMATTERVERSION 2.0.0
.EMAIL RICK.JONES@BIA.GOV
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