[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 132023
SWOMCD
SPC MCD 132022
DEZ000-MDZ000-VAZ000-NCZ000-DCZ000-SCZ000-GAZ000-TNZ000-ALZ000-132115-

MESOSCALE DISCUSSION 1069
NWS STORM PREDICTION CENTER NORMAN OK
0322 PM CDT THU JUN 13 2013

AREAS AFFECTED...DELMARVA...WRN/CNTRL NC...SERN TN...NRN AL/GA/SC

CONCERNING...SEVERE THUNDERSTORM WATCH 306...307...308...

VALID 132022Z - 132115Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
306...307...308...CONTINUES.

SUMMARY...SEVERE WEATHER THREAT CONTINUES FOR WW/S 306...307...AND
308.

DISCUSSION...LINE OF STRONG TO SEVERE THUNDERSTORMS OCCURRING ALONG
AND AHEAD OF A COLD FRONT EXTENDS FROM THE DELMARVA REGION SWWD INTO
WRN NC...SERN TN...AND NRN AL/GA. ANOTHER STORM NE OF THE DC METRO
AREA HAS SHOWN SUPERCELLULAR AND BOWING TENDENCIES DURING THE LAST
HOUR. ACTIVITY OVER THE DELMARVA INTO WRN NC IS MORE PERPENDICULAR
TO UPPER-LEVEL FLOW...AND THUS HAS FASTER FORWARD MOTION COMPARED TO
ACTIVITY TRAILING TO THE SW...WHICH IS MORE PARALLEL TO UPPER FLOW.
STRONG HEATING AND A MOIST AIRMASS EXISTS AHEAD OF ONGOING
STORMS...WITH MLCAPE VALUES RANGING FROM 1500-3000 J/KG. IN
ADDITION...SHEAR PROFILES ARE STRONG...WHICH FAVORS CONTINUED STORM
ORGANIZATION. GIVEN THIS ENVIRONMENT...SEVERE WEATHER THREAT
CONTINUES FOR REMAIN PORTIONS OF WW/S 306 AND 307...AND MUCH OF WW
308.

..GARNER.. 06/13/2013

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

ATTN...WFO...PHI...AKQ...MHX...LWX...RAH...ILM...RNK...CAE...
GSP...MRX...FFC...OHX...BMX...HUN...

LAT...LON   34388028 34328802 35118773 36038145 36787930 38147759
            39347676 39287583 38837527 36847602 35447772 34388028


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