[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 192314
SWOMCD
SPC MCD 192313
KYZ000-TNZ000-INZ000-ILZ000-ARZ000-200115-

MESOSCALE DISCUSSION 0919
NWS STORM PREDICTION CENTER NORMAN OK
0613 PM CDT THU MAY 19 2005

AREAS AFFECTED...PARTS OF INDIANA...KY AND TN

CONCERNING...SEVERE THUNDERSTORM WATCH 289...292...

VALID 192313Z - 200115Z

MUCH OF THE STRONG/SEVERE THUNDERSTORM ACTIVITY IS OCCURRING ACROSS
THIS AREA AROUND THE OHIO RIVER BASIN. SEVERE THUNDERSTORMS ARE
ASSOCIATED WITH NUMEROUS MERGERS IN THE VICINITY OF A
QUASISTATIONARY FRONT THAT EXTENDS FROM NRN IL SEWD INTO EXTREME
SWRN AND S CENTRAL OH. ACTIVITY IS LOCATED ON NRN/NERN PERIPHERY OF
INSTABILITY AXIS WHERE 30-40 KT WSWLY LOW LEVEL FLOW IS ENHANCING
WARM AIR THERMAL AND MOISTURE ADVECTION.  IN ADDITION...ACTIVITY IS
OCCURRING UNDERNEATH STRONG UPPER DIVERGENCE ENHANCING UVVS WITHIN
THE INSTABILITY AXIS NEAR THE BOUNDARY.

ADDITIONAL STORMS WILL MOVE ESEWD INTO THE AREA FROM SERN IL AND
INTENSIFY DURING THE NEXT SEVERAL HOURS AS THEY MOVE INTO AREA OF
2000-2500 J/KG INSTABILITY.  COMBINATION OF STRONG NNWLY UPPER FLOW
AND SWLY LOW LEVEL FLOW HAS POISED STRONG DEEP LAYER SHEAR.  THUS...
STORMS WITH LARGE HAIL AND DAMAGING WINDS WILL BE THE MAIN THREAT
WITH THE POSSIBILITY FOR ISOLATED TORNADOES.

..MCCARTHY.. 05/19/2005

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

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

35548999 36078953 36888879 37638804 38338732 38438719
38438641 38418583 38408474 38508326 38288307 37548377
36848425 36188483 35618540 35488567 35478728 35458824

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