Severe Storm Outlook Narrative (AC)
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000
ACUS11 KWNS 110445
SWOMCD
SPC MCD 110444
OHZ000-KYZ000-INZ000-110545-

MESOSCALE DISCUSSION 1714
NWS STORM PREDICTION CENTER NORMAN OK
1144 PM CDT WED SEP 10 2014

AREAS AFFECTED...SWRN OH...NERN KY

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 110444Z - 110545Z

PROBABILITY OF WATCH ISSUANCE...5 PERCENT

SUMMARY...LOCALIZED DAMAGING WIND RISK SHOULD DIMINISH WITHIN AN
OVERALL WEAKENING CONVECTIVE BAND.

DISCUSSION...NRN PORTION OF HIGHER REFLECTIVITY HAD RECENTLY
ACCELERATED WITH A BOWING SURGE EVIDENT CROSSING INTO NRN KY FROM
SERN IND. THIS TYPE OF STRUCTURE MAY YIELD STRONG WIND GUSTS IN THE
NEAR-TERM AMIDST 45-55 KT 1 KM AGL SWLYS SAMPLED IN ILN/LVX VWP
DATA. BUT OVERALL TREND HAS BEEN FOR WARMING CLOUD TOPS AND
DECREASING AREAL COVERAGE OF LIGHTNING. THIS WEAKENING TENDENCY IS
EXPECTED TO PERSIST AS PRIMARY SHORTWAVE TROUGH SHIFTS NE AWAY FROM
THE NRN GREAT LAKES AND THE LINE PROGRESSES FARTHER E ACROSS MEAGER
INSTABILITY PER MODIFIED 00Z BNA/ILN RAOBS.

..GRAMS/HART.. 09/11/2014

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

ATTN...WFO...RLX...JKL...ILN...LMK...

LAT...LON   39258459 39368404 39378346 39258287 38978276 38508308
            38218346 37988381 37798441 37898517 38108526 38368500
            39258459



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