[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 201354
SWOMCD
SPC MCD 201353
VAZ000-NCZ000-TNZ000-KYZ000-OHZ000-INZ000-201530-

MESOSCALE DISCUSSION 1315
NWS STORM PREDICTION CENTER NORMAN OK
0853 AM CDT MON JUN 20 2011

AREAS AFFECTED...SOUTHERN INDIANA AND WESTERN/SOUTHERN OH TO
SOUTHERN APPALACHIANS VICINITY

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 201353Z - 201530Z

SEVERAL QUASI-LINEAR CLUSTERS /WITH SOME EMBEDDED AND OCCASIONAL
BOWING/ WILL CONTINUE TO OCCUR WITHIN A CORRIDOR FROM
SOUTHERN/EASTERN INDIANA AND WESTERN/SOUTHERN OH SOUTHEASTWARD INTO
EASTERN KY/WESTERN WV AND THE SOUTHERN APPALACHIANS VICINITY. IF AN
UPSWING IN CONVECTIVE TRENDS CONTINUE...ONE OR MORE WATCHES MAY BE
NEEDED THIS MORNING.

AFOREMENTIONED STRONG/SEVERE INITIALLY ELEVATED LINEAR-TYPE CLUSTERS
ARE OCCURRING ALONG AN EFFECTIVE FRONTAL BOUNDARY/EDGE OF THE
INSTABILITY GRADIENT WITH A WEST-SOUTHWESTERLY LOW LEVEL FEED OF
INSTABILITY AS PER REGIONAL WSR-88D VWPS AND 12Z OBSERVED RAOBS FROM
NASHVILLE TN/LINCOLN IL/WILMINGTON OH. WHILE GRADUAL SHORTWAVE
RIDGING WILL TEND TO OCCUR WITH TIME AND THE BOUNDARY LAYER IS NOT
INITIALLY VERY UNSTABLE/CONSIDERABLE CLOUD COVER EXISTS...THE
POTENTIAL FOR FURTHER COLD POOL EXPANSION/UPSCALE GROWTH AND GRADUAL
DIURNAL WARMING MAY SUPPORT AN INCREASING DAMAGING WIND POTENTIAL
THROUGH LATE MORNING/EARLY AFTERNOON...WITH SOME SEVERE HAIL
POSSIBLE AS WELL.

..GUYER.. 06/20/2011

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

ATTN...WFO...RLX...GSP...MRX...JKL...ILN...LMK...IND...

LAT...LON   39738672 40288581 40018395 39738343 38638290 36968217
            35828194 35828269 36438395 38318552 39738672


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