704
FNUS73 KPAH 171846
FWSPAH

Spot Forecast for TBS - south...Indiana DNR
National Weather Service Paducah KY
146 PM CDT Wed Sep 17 2025

Forecast is based on ignition time of 0000 CDT on September 18.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Above normal temperatures will continue with highs in the 90s
tomorrow. Transport winds will be light so despite deep mixing
dispersion will be poor. Mixing depth should exceed 1700 feet
shortly after 10 AM. Minimum RH values tomorrow afternoon are
forecast to be in the 25 to 30 percent range.

.REST OF TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
CWR.................0 percent.
Temperature.........69 at ignition...Min 63.
RH..................66 percent at ignition...Max 84 percent.
Wind (20 ft)........
 Slope/valley.......Winds southeast at 2 mph at
                    ignition...otherwise Light winds.
 Ridgetop...........
Mixing height.......500 ft AGL at ignition...otherwise 400 ft AGL.
Transport winds.....Southeast 7 to 8 mph.

TIME (CDT)      MIDNGT 2 AM   4 AM
Sky cover.......CLEAR  CLEAR  MCLEAR
Weather cov.....
Weather type....NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0
Temp............69     67     65
RH..............66     70     73
20 FT wind dir..SE     SE     SE
20 FT wind spd..2      2      2
20 FT wind gust.6      5      5
Ridgetop wind...M      M      M
Mix hgt (kft)...0.5    0.4    0.4
Transp wind dir.SE     SE     S
Transp wind spd.8      7      7

.THURSDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Temperature.........Max 93.
RH..................Min 27 percent.
Wind (20 ft)........
 Slope/valley.......Light winds.
 Ridgetop...........
Mixing height.......7700 ft AGL.
Transport winds.....South 5 to 7 mph.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......MCLEAR MCLEAR MCLEAR CLEAR  MCLEAR MCLEAR
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............64     67     81     89     93     92
RH..............75     73     47     35     28     28
20 FT wind dir..SE     SE     S      S      S      SE
20 FT wind spd..1      1      3      3      3      3
20 FT wind gust.5      3      5      5      5      6
Ridgetop wind...M      M      M      M      M      M
Mix hgt (kft)...0.4    0.3    1.3    5.1    7.5    6.9
Transp wind dir.S      SE     S      S      S      SW
Transp wind spd.7      6      7      6      5      5

.THURSDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Temperature.........Min 64.
RH..................Max 78 percent.
Wind (20 ft)........
 Slope/valley.......Light winds.
 Ridgetop...........
Mixing height.......0 ft AGL.
Transport winds.....Southeast 6 to 9 mph.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......CLEAR  MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............87     80     74     71     69     67
RH..............32     44     55     61     66     70
20 FT wind dir..E      E      E      SE     SE     SE
20 FT wind spd..3      3      2      2      2      2
20 FT wind gust.6      6      6      5      5      5
Ridgetop wind...M      M      M      M      M      M
Mix hgt (kft)...2.4    0.1    0.4    0.5    0.4    0.4
Transp wind dir.E      E      SE     SE     SE     SE
Transp wind spd.6      8      9      8      8      8

.FRIDAY...

Sky/weather.........Mostly sunny (35-45 percent).
CWR.................0 percent.
Temperature.........Max 93.
RH..................Min 31 percent.
Wind (20 ft)........
 Slope/valley.......Light winds.
 Ridgetop...........
Mixing height.......7000 ft AGL.
Transport winds.....South 7 to 9 mph shifting to the southwest
                    around 9 mph early in the afternoon, then
                    shifting to the northwest 12 to 13 mph late in
                    the afternoon shifting to the north around 12
                    mph late in the afternoon.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......MCLEAR MCLEAR PCLDY  PCLDY  PCLDY  PCLDY
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............64     70     82     89     92     90
RH..............78     66     47     37     31     32
20 FT wind dir..SE     SE     S      S      SW     N
20 FT wind spd..1      1      2      2      3      5
20 FT wind gust.3      3      5      6      6      7
Ridgetop wind...M      M      M      M      M      M
Mix hgt (kft)...0.3    0.6    1.9    5.2    7.0    5.9
Transp wind dir.SE     S      S      S      SW     N
Transp wind spd.7      8      9      8      9      13

$$
Forecaster...POULOS
Requested by...Hillary Bulcher
Type of request...PRESCRIBED
.TAG 2522099.0/PAH
.DELDT 09/17/25
.FormatterVersion 2.0.0
.EMAIL hbulcher@dnr.in.gov