[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 300834
SWOMCD
SPC MCD 300833
KYZ000-OHZ000-TNZ000-INZ000-300930-

MESOSCALE DISCUSSION 0088
NWS STORM PREDICTION CENTER NORMAN OK
0233 AM CST WED JAN 30 2013

AREAS AFFECTED...SERN-SRN INDIANA...SWRN OH...AND WRN-CENTRAL KY

CONCERNING...TORNADO WATCH 12...

VALID 300833Z - 300930Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 12 CONTINUES.

SUMMARY...THE THREAT FOR TORNADOES AND DAMAGING WINDS CONTINUES
ACROSS SERN-SRN INDIANA AND WRN KY.  DESTABILIZATION E OF WW
12...THOUGH MARGINAL...WILL LIKELY MAINTAIN A SEVERE WEATHER THREAT
WITH EWD EXTENT INTO PARTS OF CENTRAL KY...AND FAR SERN INDIANA AND
SWRN OH BY 10-11Z...GIVEN THE STRENGTH OF THE SYNOPTIC SYSTEM.

DISCUSSION...AT 0805Z...REGIONAL RADAR IMAGERY SHOWED A QLCS
EXTENDING FROM EAST CENTRAL-SERN INDIANA SWWD THROUGH WRN KY...WRN
TN...AND NERN TO SWRN MS.  THE PORTION OF THE LINE LOCATED IN WW 12
WAS MOVING EWD AT 20-25 KT...WHILE INDIVIDUAL BOWING SEGMENTS WERE
TRACKING NEWD AT 50-65 KT...WITH THE LATTER SPEED ATTENDANT TO THE
BOW IN WRN KY /WRN OHIO TO NRN LOGAN COUNTIES/.  A STRONG SLY LOW
LEVEL JET IS MAINTAINING AN INFLUX OF MOISTURE WITH NWD EXTENT WHICH
IS RESULTING IN MUCAPE OF 200-300 J/KG PER OBJECTIVE ANALYSES
LOCATED ALONG AND E OF THE QLCS INTO CENTRAL KY AND OH.  EFFECTIVE
BULK SHEAR UP TO 50 KT WITH VECTORS ORIENTED NEARLY PARALLEL...
THOUGH CROSSING AT A LITTLE ANGLE TO THE QLCS WILL MAINTAIN
ORGANIZATION WITH BOWING SEGMENTS POSING A THREAT FOR TORNADOES AND
DAMAGING WINDS. WSR-88D VWP DATA IN NWRN KY INDICATED VERY STRONG
LOW LEVEL SHEAR /SFC-1 KM CLOSE TO 50 KT/ AND 0-1 KM SRH AROUND 600
M2/S2.

..PETERS.. 01/30/2013

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

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

LAT...LON   36638595 36608696 36688795 37018768 39488610 39458497
            39388437 38858329 38098338 36588400 36638595



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