[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 152045
SWOMCD
SPC MCD 152044
KYZ000-OHZ000-TNZ000-INZ000-152145-

MESOSCALE DISCUSSION 0259
NWS STORM PREDICTION CENTER NORMAN OK
0344 PM CDT THU MAR 15 2012

AREAS AFFECTED...TN/CNTRL OH VALLEYS

CONCERNING...SEVERE THUNDERSTORM WATCH 75...

VALID 152044Z - 152145Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 75
CONTINUES.

OVERALL SEVERE THREAT MAY HAVE PEAKED WITH NUMEROUS TO WIDESPREAD
TSTMS EXTENDING ACROSS THE CNTRL OH TO THE TN VALLEYS.
STILL...MARGINAL SEVERE HAIL SHOULD PERSIST FOR THE NEXT FEW HOURS
WITH PERHAPS LOCALLY DAMAGING WINDS WITHIN EMBEDDED MULTICELL
CLUSTERS. THE NEED FOR A WW ISSUANCE TO THE N/E OF WW 75 IS UNCLEAR
ATTM.

NUMEROUS DISCRETE CELLS HAVE LARGELY CONGLOMERATED INTO TWO DISTINCT
BANDS...ONE MOVING NEWD ACROSS SRN IND INTO N-CNTRL KY AND THE OTHER
MOVING EWD ACROSS WRN KY/TN. MID-LEVEL REFLECTIVITY CORES WITHIN THE
WRN BAND HAVE BEEN RECENTLY DIMINISHING AS ACTIVITY HAS PROPAGATED
INTO AN OVERTURNED AIR MASS. THE LEAD/NERN BAND MAY STILL REMAIN
STRONG TO LOCALLY SEVERE FOR THE NEXT COUPLE OF HOURS BEFORE
ENCOUNTERING THE OVERTURNED AIR MASS FROM AN EARLIER MCS THAT PUSHED
ACROSS SWRN OH/ERN KY. GIVEN THE WEAKLY SHEARED ENVIRONMENT AND
CONVECTIVE MODE BEING DOMINATED BY MERGERS/STORM-SCALE
INTERACTIONS...THE THREAT FOR SEVERE HAIL SHOULD BECOME INCREASINGLY
MARGINAL INTO EARLY EVENING.

..GRAMS.. 03/15/2012

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

ATTN...WFO...MRX...JKL...ILN...LMK...OHX...IND...PAH...MEG...

LAT...LON   35248894 35938809 36768723 37318695 38048660 38458614
            39058616 39658622 39978586 40098484 39768450 38758393
            37418309 37008310 36778335 36658457 36318552 35598649
            35208720 35108755 35018801 35158831 35248894



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