602
FNUS73 KPAH 240706
FWSPAH
SPOT FORECAST FOR BIG HOLLOW RX...US FOREST SERVICE
NATIONAL WEATHER SERVICE PADUCAH KY
206 AM CDT TUE MAR 24 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE OVER THE OHIO VALLEY WILL MAINTAIN DRY CONDITIONS
TODAY AS TEMPERATURES WARM BACK INTO THE 60S. AFTERNOON RH'S WILL
FALL INTO THE 15 TO 25% RANGE LEADING TO ELEVATED FIRE WEATHER
CONDITIONS. WINDS WILL BE RATHER LIGHT OUT OF THE EAST-SOUTHEAST
THOUGH. THIS WILL LEAD TO POOR DISPERSION DESPITE MIXING ABOVE
3000 FEET. WINDS TURN SOUTHWESTERLY AND INCREASE WEDNESDAY AND
THURSDAY LEADING TO MUCH BETTER DISPERSION THOSE DAYS.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
CWR.................0 PERCENT.
TEMPERATURE.........53 AT IGNITION...MAX 66.
RH..................38 PERCENT AT IGNITION...MIN 19 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WINDS SOUTHEAST AT 5 MPH AT
IGNITION...OTHERWISE LIGHT WINDS BECOMING
SOUTHEAST AROUND 5 MPH EARLY IN THE AFTERNOON,
THEN BECOMING LIGHT IN THE AFTERNOON.
MIXING HEIGHT.......2000 FT AGL AT IGNITION...OTHERWISE 3500 FT
AGL.
TRANSPORT WINDS.....SOUTH 10 TO 13 MPH.
SMOKE DISPERSAL.....POOR /22200 KNOT-FT/ AT IGNITION. MAX...POOR
/37800 KNOT-FT/.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC PC PC PC PC PC MC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0
TEMP............53 57 61 63 65 66 65
RH..............38 31 24 21 21 19 20
20 FT WIND DIR..SE SE SE SE SE SE SE
20 FT WIND SPD..3 5 3 3 3 3 2
20 FT WIND GUST.15 14 14 14 13 13 12
MIX HGT (KFT)...2.0 2.4 2.9 3.3 3.4 3.5 3.4
TRANSP WIND DIR.SE SE S S S S S
TRANSP WIND SPD.13 13 13 13 13 10 10
VRATE KT-FT/1K..22 26 32 36 38 32 31
VENTRATE CAT....PR PR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT).
CWR.................0 PERCENT.
TEMPERATURE.........MIN 46.
RH..................MAX 63 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 10 MPH.
SMOKE DISPERSAL.....POOR (1400 KNOT-FT).
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MC MC MC MC MC MC MC PC PC PC PC PC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............64 63 58 56 55 53 52 52 51 50 48 48
RH..............22 26 33 37 40 43 46 46 50 52 56 58
20 FT WIND DIR..SE SE SE E SE SE SE SE SE SE SE S
20 FT WIND SPD..2 2 2 2 2 2 1 1 1 1 1 1
20 FT WIND GUST.12 10 9 9 9 8 8 7 7 7 7 7
MIX HGT (KFT)...2.8 0.7 0.6 0.4 0.4 0.5 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.SE SE SE SE E SE SE SE SE SE S S
TRANSP WIND SPD.8 7 8 8 9 10 8 8 7 7 8 6
VRATE KT-FT/1K..19 4 4 3 3 4 2 2 2 2 2 1
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
TEMPERATURE.........MAX 79.
RH..................MIN 38 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 15 MPH INCREASING TO 16 TO 20
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (77100 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY COVER.......PCLDY PCLDY PCLDY MCLEAR MCLEAR MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............47 48 59 69 76 79
RH..............58 63 49 44 40 38
20 FT WIND DIR..S SW S S S S
20 FT WIND SPD..1 2 2 2 3 3
20 FT WIND GUST.6 8 12 15 17 17
MIX HGT (KFT)...0.3 0.4 1.5 2.5 3.9 4.5
TRANSP WIND DIR.S S SW SW SW SW
TRANSP WIND SPD.6 8 14 15 17 20
VRATE KT-FT/1K..2 3 18 33 60 77
VENTRATE CAT....POOR POOR POOR POOR FAIR GOOD
FORECASTER...POULOS
REQUESTED BY...TIM PERREN
TYPE OF REQUEST...PRESCRIBED
.TAG 2607429.0/PAH
.DELDT 03/24/26
.FORMATTERVERSION 2.0.0
.EMAIL TIMOTHY.PERREN@USDA.GOV
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