[BNAWX] Severe Storm Outlook Narrative

EMWIN Server emwin at nashvilleweather.net
Thu Mar 15 18:24:00 CDT 2012


ACUS11 KWNS 152323
SWOMCD
SPC MCD 152323
VAZ000-KYZ000-TNZ000-NCZ000-GAZ000-OHZ000-INZ000-ALZ000-160100-

MESOSCALE DISCUSSION 0262
NWS STORM PREDICTION CENTER NORMAN OK
0623 PM CDT THU MAR 15 2012

AREAS AFFECTED...WRN OH...KY...TN...NRN AL AND NRN GA

CONCERNING...SEVERE THUNDERSTORM WATCH 75...77...

VALID 152323Z - 160100Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
75...77...CONTINUES.

A MESOSCALE VORTEX CONTINUES TO MOVE EWD ACROSS KY...WITH NUMEROUS
STORMS CAPABLE OF HAIL AND HEAVY RAIN AHEAD OF IT EXTENDING FROM WRN
OH INTO ERN KY AND TN. HAIL CORES HAVE DECIDEDLY TRENDED DOWNWARD
OVER THE PAST HOUR...AND THIS TREND SHOULD CONTINUE AS STORMS RUN UP
AGAINST A MORE STABLE AIR MASS TO THE E IN THE WAKE OF AN EARLIER
MCS. THUS...MUCH OF THE AREA MAY BE CLEARED FROM THE SEVERE
THUNDERSTORM WATCHES AS INSTABILITY DECREASES.

FARTHER S INTO NRN AL AND GA...AMPLE INSTABILITY EXISTS BUT WIND
SHEAR IS QUITE WEAK. HOWEVER...ONGOING CONVECTION HAS LINED UP ALONG
LEADING EDGE OF SOME OUTFLOW...AND WITH A DEEPLY MIXED BOUNDARY
LAYER IN PLACE AHEAD OF THIS ACTIVITY...GUSTY OUTFLOW WINDS MAY
OCCUR. ISOLATED MARGINAL HAIL IS ALSO POSSIBLE...BUT TRENDS SHOULD
BE DOWN WITH TIME AS THE BOUNDARY LAYER BEGINS TO STABILIZE.

..JEWELL.. 03/15/2012

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

ATTN...WFO...GSP...MRX...JKL...FFC...ILN...LMK...IWX...OHX...
BMX...HUN...

LAT...LON   38228343 37198304 36288291 35348333 34138412 33928510
            34298682 34458714 34958714 36098604 36748517 37768472
            38828459 39588465 40618482 40758426 40508387 39578352
            38578346 38228343


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