325 
FXUS63 KLSX 170804
AFDSTL

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
200 AM CDT SAT NOV 17 2001

LTST SFC ANALYS CONTS TO SHOW BACKDOOR CD FNT MVNG SWRD ACRS SRN GRT 
LKS RGN. SFC RDG AXIS HAS SHOWED A SLIGHT SWRD MVNT SINCE FRI MRNG 
SFC ANALYS AT 12 UTC. UPSTAIRS UPR LVL RDG AXIS CONTS TO BE 
ENTRENCHED FM UPR MISS VLY RGN THRU LWR MISS VLY RGN. WV IMGRY 
DURING FEW HRS BEGNG TO SHOW SYS MVNG NEWRD IN RESPONSE TO APPRCHNG 
LN WV TROUGH OVR ERN PAC. WL BRNG INCR CLDS OVR MST SCTNS OF CWA AT 
LEAST BY AFTN HRS. TEMPS AGAIN SHULD REACH LOW 70S OVR CNTRL AND SRN 
PARTS OF CWA AND UPR 60S IN THE N. ANOTHER GREAT DAY FOR OUTDOOR 
WORK. E-W SFC RDG AXIS CONTS TO PREVENT LL MSTR FM SEEPNG INTO MID 
MISS VLY RNG IN NR TERM. LL THETA-E AXIS WL CONT TO EXTD FM ERN NE 
THRU SW TX THRU THS EVE. AVN APPRS TO BE LTTLE MORE AGRESSIVE IN 
BRNGNG CD FNT SEWRD ACRS MID-MISS VLY RGN SUN EVE THRU ERY MON MRNG 
COMPARED TO ETA SOL. AVN FCST OF UPR LVL WV IS ALSO CONSIDERABLY 
DEEPER COMPARED TO ETA. BELIEVE AVN IS A LTTL TO DEEP WI THS 
FEATURE..HWVR ETA MAY NOT HV ENOUGH AMPILTUDE WI THS WV. E-W SFC RDG 
AXIS BRKS DOWN TNGT INTO SUN THUS LL MSTR AXIS ENTERS NRN AND WRN 
SCTNS OF MO ON SUN. 300 AND 305K SFC SHOW ISNTRPC DOWNGLIDE OVR RGN 
SUN MRNG AND INTO ERY AFTN. THUS WL NOT BRNG CHC OF PCPN TIL 
NIGHTTIME HRS. ADJUSTD MOS TEMPS DURNG LTR PART OF PRD. 

.STL...NONE.

PRZYBYLINSKI