Severe Storm Outlook Narrative (AC)
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000
ACUS11 KWNS 300347
SWOMCD
SPC MCD 300347
MSZ000-LAZ000-300445-

MESOSCALE DISCUSSION 1849
NWS STORM PREDICTION CENTER NORMAN OK
0947 PM CST TUE NOV 29 2016

AREAS AFFECTED...PORTIONS OF CENTRAL/SOUTHWEST MS INTO EASTERN LA

CONCERNING...TORNADO WATCH 508

VALID 300347Z - 300445Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 508 CONTINUES.

SUMMARY...THE RISK FOR TORNADOES -- POSSIBLY SIGNIFICANT -- IS
INCREASING ACROSS THE AREA.

DISCUSSION...DISCRETE/SEMI-DISCRETE SUPERCELL STRUCTURES ARE ONGOING
FROM NORTHEAST OF VICKSBURG MS SOUTHWESTWARD INTO EAST-CENTRAL LA...
AND ADDITIONAL CONVECTION IS DEVELOPING EASTWARD TOWARD INTERSTATE
55. ALL OF THIS ACTIVITY WILL CONTINUE TRACKING EAST-NORTHEASTWARD.
THE JACKSON MS VAD WIND PROFILE IS INDICATING AROUND 300 M2/S2 OF
0-1-KM SRH WITH AROUND 60 KT OF DEEP SHEAR. WITH AMPLE LOW-LEVEL
MOISTURE CONTINUING TO EXIST ACROSS THE AREA AIDING IN THE
MAINTENANCE OF AROUND 1000 J/KG OF MLCAPE...SUPERCELLS WITH A TORNADO
RISK WILL EXIST...AND SIGNIFICANT TORNADOES WILL BE POSSIBLE. THE
CORRIDOR AROUND THE NATCHEZ TRACE PARKWAY...AND EASTWARD TOWARD THE
INTERSTATE 55 CORRIDOR NEAR/SOUTH OF INTERSTATE 20...COULD BE A
FAVORED ZONE FOR MATURING SUPERCELL STRUCTURES CAPABLE OF TORNADOES
IN THE SHORT-TERM.

..COHEN.. 11/30/2016

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

ATTN...WFO...JAN...LIX...LCH...

LAT...LON   31399196 32299098 32559054 32569005 32348988 31389030
            30989120 31039188 31399196



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