Severe Storm Outlook Narrative (AC)
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000
ACUS11 KWNS 232058
SWOMCD
SPC MCD 232057
ALZ000-MSZ000-LAZ000-TXZ000-232230-

MESOSCALE DISCUSSION 1988
NWS STORM PREDICTION CENTER NORMAN OK
0257 PM CST TUE DEC 23 2014

AREAS AFFECTED...LOWER MISSISSIPPI VALLEY

CONCERNING...TORNADO WATCH 560...

VALID 232057Z - 232230Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 560 CONTINUES.

SUMMARY...TORNADO THREAT CONTINUES...ESPECIALLY ACROSS PARTS OF
SOUTHEAST LA...SOUTHERN MS...AND SOUTHWEST AL.

DISCUSSION...WARM FRONT IS GRADUALLY ADVANCING NWD ACROSS SERN MS
AND SRN AL WITH MID 60S SFC DEW POINTS COMMON ACROSS THE WARM
SECTOR.  WARM FRONT APPEARS TO BE JUST SOUTH OF MEI TO NEAR SEM.
THIS BOUNDARY MAY YET LIFT NWD INTO CNTRL AL AS MESO LOW LOCATED
NEAR MCB LIFTS NEWD.  ONE LONG-LIVED...WELL DEFINED POTENTIALLY
TORNADIC SUPERCELL IS MOVING QUICKLY TOWARD JONES COUNTRY MS.  SHEAR
REMAINS FAVORABLE FOR TORNADOES WITH THESE DISCRETE
STRUCTURES...ESPECIALLY ALONG THE WARM FRONTAL CORRIDOR AHEAD OF
MESO LOW.  OTHERWISE...UPWARD EVOLVING COLD-FRONTAL CONVECTION MAY
BE NOTED INTO THE EVENING HOURS.

..DARROW.. 12/23/2014

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

ATTN...WFO...BMX...MOB...JAN...LIX...LCH...SHV...

LAT...LON   31589372 33008782 30098782 28669372 31589372



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