[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 300131
SWOMCD
SPC MCD 300131
MSZ000-TNZ000-ARZ000-LAZ000-300330-

MESOSCALE DISCUSSION 0080
NWS STORM PREDICTION CENTER NORMAN OK
0731 PM CST TUE JAN 29 2013

AREAS AFFECTED...WRN/NRN/CNTRL MS...WRN TN

CONCERNING...TORNADO WATCH 10...

VALID 300131Z - 300330Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 10 CONTINUES.

SUMMARY...DAMAGING WIND/TORNADO THREATS SHOULD CONTINUE TO INCREASE
IN ASSOCIATION WITH SEMI-DISCRETE TSTM BANDS. COORDINATION WITH WFO
MEM/JAN WILL OCCUR SHORTLY OVER ADDITIONAL AREAL EXTENSION OF WW 10
OR NEW DOWNSTREAM WW ISSUANCE.

DISCUSSION...SUPERCELL STRUCTURES HAVE BEEN NOTED WITH A BAND OF
SEMI-DISCRETE TSTMS NOW JUST E OF THE MS RIVER. THIS ACTIVITY HAS
PERSISTED ALONG THE LEADING EDGE OF MORE ROBUST BUOYANCY AS SAMPLED
BY 00Z LZK/SHV/LCH RAOBS. DOWNSTREAM 00Z JAN AND A SPECIAL MS STATE
SOUNDING FROM CLARKSDALE MS SAMPLED MORE MEAGER BUOYANCY WITH A
DRIER BOUNDARY LAYER DESPITE LOWER 60S SURFACE DEW POINTS. ALTHOUGH
THIS SHOULD LIMIT THE AMPLITUDE AND ERN EXTENT OF THE THREAT IN THE
NEAR-TERM...RISING SURFACE DEW POINTS HAVE BEEN NOTED IN THE PAST
HOUR AT KTVR/KHEZ ALONG THE MS/LA BORDER. GIVEN THE VERY FAVORABLE
HODOGRAPHS FOR UPDRAFT ROTATION AND STRENGTHENING LARGE-SCALE
ASCENT...A E/NEWD EXPANSION OF DAMAGING WIND/TORNADO POTENTIAL IN
CONCERT WITH INCREASING DESTABILIZATION SHOULD CONTINUE.

..GRAMS/HART.. 01/30/2013

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

ATTN...WFO...MEG...JAN...

LAT...LON   31949144 33369096 34589042 35878984 35978908 35748864
            34958853 32098995 31949144

WWWW
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