000
ACUS11 KWNS 170400
SWOMCD
SPC MCD 170359
MSZ000-LAZ000-ARZ000-170500-

MESOSCALE DISCUSSION 0666
NWS STORM PREDICTION CENTER NORMAN OK
1059 PM CDT THU MAY 16 2013

AREAS AFFECTED...FAR NORTHERN LA/SOUTHERN AR INTO WESTERN MS

CONCERNING...TORNADO WATCH 165...

VALID 170359Z - 170500Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 165 CONTINUES.

SUMMARY...TORNADO WATCH 165 CONTINUES UNTIL 06Z...ALTHOUGH SEVERE
POTENTIAL WILL LIKELY REMAIN RELATIVELY LIMITED THE REMAINDER OF THE
NIGHT.  SOME POTENTIAL MAY CONTINUE FOR DAMAGING WINDS/MARGINALLY
SEVERE HAIL ASIDE FROM TRAINING CONVECTION/LOCALLY HEAVY RAINFALL
MAINLY ACROSS FAR SOUTHEAST AR INTO WESTERN MS.

DISCUSSION...ON THE IMMEDIATE SOUTH-SOUTHEAST OF AN EASTWARD-MOVING
UPPER LOW OVER THE OZARKS...INCREASINGLY ELEVATED SOUTHWESTERLY
INFLOW CONTINUES TO SUPPORT PERSISTENT TSTM DEVELOPMENT ACROSS
SOUTHERN AR NEAR/ATOP COMPOSITE OUTFLOW. TORNADO POTENTIAL HAS
LIKELY DIMINISHED OWING TO CONVECTIVE MODE/INCREASING BOUNDARY LAYER
INHIBITION. HOWEVER...ADDITIONAL TSTM DEVELOPMENT/CELL MERGERS
COINCIDENT WITH A MODERATE BELT OF WEST-SOUTHWESTERLY LOW/MID-LEVEL
WINDS COULD YET YIELD SOME LINEAR ORGANIZED/SMALL SCALE BOW
DEVELOPMENT.

..GUYER.. 05/17/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...JAN...LZK...SHV...

LAT...LON   33149246 33529233 33529138 33319060 32839054 32729091
            32879197 33149246