[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 262022
SWOMCD
SPC MCD 262022
WVZ000-NCZ000-SCZ000-VAZ000-KYZ000-TNZ000-262145-

MESOSCALE DISCUSSION 0593
NWS STORM PREDICTION CENTER NORMAN OK
0322 PM CDT THU APR 26 2012

AREAS AFFECTED...SRN/ERN KY...MIDDLE/ERN TN...SWRN NC

CONCERNING...SEVERE THUNDERSTORM WATCH 191...

VALID 262022Z - 262145Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 191
CONTINUES.

GREATEST SEVERE POTENTIAL SHOULD REMAIN WITH TSTMS DEVELOPING ALONG
THE SURFACE COLD FRONT STRETCHING FROM NEAR HTS TO 40 S PAH AS OF
20Z...WITH INITIAL SUPERCELL CENTERED AROUND 30 N LOZ. STRATUS DECK
OVER NRN TN HAS BEEN ERODING AHEAD OF THE FRONT...LEAVING A 50-70 SM
WIDE ZONE OF GREATER INSOLATION. THIS WILL SUPPORT FURTHER
DESTABILIZATION JUST AHEAD OF THE ONGOING STORMS AND LIKELY RESULT
IN PROPAGATION OF A FEW SUPERCELLS ACROSS SRN KY AND EVENTUALLY INTO
NRN TN. LARGE HAIL /WITH ISOLATED SIGNIFICANT STONES/ WILL REMAIN
THE PRIMARY THREAT.

FARTHER E/SE...TSTMS HAVE PERSISTED FOR THE PAST FEW HOURS AND HAVE
RECENTLY INCREASED IN COVERAGE ACROSS THE SRN APPALACHIANS WITHIN A
WAA REGIME IN THE WAKE OF OUTFLOW FROM AN EARLIER MCV ACROSS SERN
VA...REINFORCED BY A TSTM CLUSTER APPROACHING THE NC/SC COAST. WITH
DIURNAL HEATING HAVING BEEN LIMITED BY THE ROUNDS OF
CONVECTION/PERSISTENT CLOUD COVERAGE...TSTMS WITHIN THIS ZONE SHOULD
CONTINUE TO STRUGGLE TO APPROACH SEVERE INTENSITY. STILL 40-50 KT
EFFECTIVE SHEAR MAY SUPPORT A MARGINAL HAIL THREAT WITH THE STRONGER
CORES ON THE SRN/WRN PERIPHERY OF THIS CONVECTION.

..GRAMS.. 04/26/2012

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

ATTN...WFO...RLX...GSP...MRX...JKL...LMK...OHX...PAH...MEG...

LAT...LON   36428860 36758740 37048568 37408437 37838318 38008237
            37898204 37338168 36708319 36508365 36198376 35798249
            35298183 35008194 35008255 35328397 35628475 35818563
            35878699 35948814 36428860



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