NOUS63 KLSX 102154 FTMSTL TDWR OUTAGE NOTIFICATION NATIONAL WEATHER SERVICE SAINT LOUIS MO 454 PM CDT SUN SEP 10 2023 THE SAINT LOUIS TERMINAL DOPPLER RADAR (TSTL) WILL BE OUT OF SERVICE FOR ROUTINE MAINTENANCE FROM 1400 UTC TO 1700 UTC ON SEPTEMBER 11 2023. WE APOLOGIZE FOR ANY INCONVENIENCE. $$ BRITT