144
FNUS73 KTOP 060959
FWSTOP
SPOT FORECAST FOR PT-85/60/72...BIA HORTON AGENCY
NATIONAL WEATHER SERVICE TOPEKA KS
459 AM CDT SAT SEP 6 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON SEPTEMBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
FOG WILL BURN OFF WITHIN AN HOUR OR TWO AFTER SUNRISE WITH SUNNY
SKIES PREVAILING THE REST OF TODAY. ALONG WITH THIS, SMOKE
DISPERSAL LOOKS POOR EARLY THIS MORNING, BUT SHOULD IMPROVE MID TO
LATE MORNING AS MIXING HEIGHTS DEEPEN. WINDS WILL STAY LIGHT FROM
AROUND THE WSW THROUGH TODAY, TURNING LIGHT AND VARIABLE THIS
EVENING. TEMPERATURES LOOK TO REACH THE MID 70S THIS AFTERNOON
WITH RH FALLING DOWN TO AROUND 45-50%.
TODAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
TEMPERATURE.........49 AT IGNITION...MAX 74.
RH..................93 PERCENT AT IGNITION...MIN 46 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WINDS WEST AT 2 MPH AT IGNITION...OTHERWISE
LIGHT WINDS BECOMING WEST AROUND 5 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......300 FT AGL AT IGNITION...OTHERWISE 6400 FT AGL.
SMOKE DISPERSAL.....POOR /2400 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /83300 KNOT-FT/.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR CLR CLR 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
TEMP............49 53 60 64 67 70 72 72 73 73
RH..............93 89 72 63 56 51 49 48 46 48
20 FT WIND DIR..W W W W W W W W W W
20 FT WIND SPD..2 2 3 4 5 5 5 5 5 5
20 FT WIND GUST.5 6 6 7 8 9 9 9 9 8
MIX HGT (KFT)...0.3 0.5 0.9 1.6 3.2 4.8 5.4 6.0 6.4 6.0
SDSPL KT-FT/10002 3 7 12 32 63 70 78 83 72
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF PCPN......0 PERCENT.
TEMPERATURE.........MIN 50.
RH..................MAX 83 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......300 FT AGL.
SMOKE DISPERSAL.....FAIR (29100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2200 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY COVER.......MCLEAR MCLEAR PCLDY PCLDY MCLEAR MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............74 68 60 57 55 53
RH..............46 57 69 75 77 80
20 FT WIND DIR..W W NE NE E E
20 FT WIND SPD..5 3 2 2 2 2
20 FT WIND GUST.7 5 6 5 6 5
MIX HGT (FT)....3200 400 400 400 300 300
SDSPL KT-FT/100029 2 2 2 2 2
SUNDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
TEMPERATURE.........MAX 77.
RH..................MIN 45 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......5500 FT AGL.
SMOKE DISPERSAL.....POOR (2100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (32900 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6 AM 9 AM NOON 3 PM
SKY COVER.......MCLEAR MCLEAR MCLEAR CLEAR
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0
TEMP............51 56 69 76
RH..............83 77 57 45
20 FT WIND DIR..E SE SE S
20 FT WIND SPD..2 4 5 5
20 FT WIND GUST.6 7 9 8
MIX HGT (FT)....400 900 2900 5400
SDSPL KT-FT/10003 8 19 32
FORECASTER...PICHA
REQUESTED BY...RICK C. JONES
TYPE OF REQUEST...PRESCRIBED
.TAG 2521309.0/TOP
.DELDT 09/05/25
.FORMATTERVERSION 2.0.0
.EMAIL RICK.JONES@BIA.GOV
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