FNUS73 KLSX 191249

FWSLSX



Spot Forecast for MTC Pool 5...MDC

National Weather Service Saint Louis MO

Issued by National Weather Service Paducah KY

749 AM CDT Thu Mar 19 2026



Forecast is based on ignition time of 0800 CDT on March 19. 

If conditions become unrepresentative, contact the

National Weather Service.



.DISCUSSION...

Warmer conditions are expected today, relatively light winds

are forecast with mixing heights building to over 4000 ft. Marginal

dispersion conditions are anticipated by the afternoon.





.REST OF TODAY...



Sky/weather.........Partly sunny (50-60 percent) then becoming 

                    sunny (10-20 percent). 

CWR.................0. 

Chance of thunder...3 percent. 

Temperature.........47 at ignition...Max 75. 

RH..................Min 33 percent. 

Eye level winds.....Very light in the morning becoming southwest at 

					3 to 5 mph in the afternoon.

Wind (20 ft)........Winds southeast at 3 mph at 

                    ignition...otherwise Light winds becoming 

                    southwest 5 to 6 mph in the afternoon. 

Mixing height.......400 ft AGL at ignition...otherwise max 4500 ft 

                    AGL. 

Transport winds.....Southwest 3 to 9 mph. 

Smoke dispersal.....Poor /250 m/s-m/ at ignition. Max...marginal 

                    /5640 m/s-m/. 



TIME (CDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM   

Sky (%).........69     52     23     11     5      2      

Weather cov.....                                          

Weather type....NONE   NONE   NONE   NONE   NONE   NONE   

Tstm cov........                                          

CWR.............M      M      M      M      M      M      

Chc of thdr (%).0      0      0      0      0      0      

Temp............47     57     67     73     75     73     

RH..............M      M      M      M      M      M      

20 ft wind......SE 3   S 4    SW 5   SW 6   SW 6   SW 4   

20 ft wind gust.5      7      8      8      8      6      

Eye level wind..SE 1   S 2    SW 2   SW 3   SW 3   SW 2   

Eye lvl wnd gst.2      3      4      4      4      3      

Mix hgt (kft)...0.4    0.6    1.7    3.2    4.5    1.5    

Transport wind..SW 5   SW 5   SW 6   SW 8   SW 9   S 8    

Vrate kt-ft/1K..2      3      8      22     36     10     

Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR   



.TONIGHT...



Sky/weather.........Mostly clear (10-20 percent). 

CWR.................MISSING. 

Chance of thunder...2 percent. 

Temperature.........Min 49. 

RH..................Max 83 percent. 

Eye level winds.....Calm.

Wind (20 ft)........Light winds. 

Mixing height.......Min 400 ft AGL. 

Transport winds.....South 8 to 12 mph shifting to the southwest 

                    around 9 mph after 3 am. 

Smoke dispersal.....Poor (500 m/s-m). 



$$

Forecaster...Carney

Requested by...Tim Brown

Type of request...PRESCRIBED

.TAG 2606523.0/LSX

.DELDT 03/19/26

.FormatterVersion 2.0.0