[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 112000
SWOMCD
SPC MCD 111959
KYZ000-TNZ000-ALZ000-112130-

MESOSCALE DISCUSSION 0446
NWS STORM PREDICTION CENTER NORMAN OK
0259 PM CDT THU APR 11 2013

AREAS AFFECTED...MIDDLE TN

CONCERNING...SEVERE THUNDERSTORM WATCH 97...

VALID 111959Z - 112130Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 97
CONTINUES.

SUMMARY...SVR WX THREAT ACROSS MIDDLE TN CONTINUES. SOME STORM
STRENGTHENING IS POSSIBLE...PARTICULARLY ACROSS THE SRN PORTION OF
THE WATCH...AS LOW-LEVEL MOISTURE INCREASES. STRONG WINDS REMAIN THE
PRIMARY SVR THREAT.

DISCUSSION...CONVECTIVE LINE CONTINUES TO MOVE ACROSS MIDDLE TN.
THUS FAR STORMS HAVE REMAINED SUB-SEVERE...LIMITED BY WEAKER
LOW-LEVEL SHEAR AND ONLY MODEST INSTABILITY. LLJ JUST AHEAD OF THE
LINE OF STORMS IS EXPECTED TO PERSIST WITH A RESULTANT CONTINUATION
OF MOISTURE ADVECTION NWD IN MIDDLE/ERN TN. DEWPOINT VALUES SHOULD
REACH THE LOW 60S ACROSS THE SOUTHERN PORTION OF THE WATCH AREA
SHORTLY AND FARTHER N WITHIN THE NEXT FEW HOURS. AS A
RESULT...INCREASING INSTABILITY WILL LIKELY SUPPORT MODEST STORM
STRENGTHENING. STRONG WINDS REMAIN THE PRIMARY SVR THREAT AS POOR
MID-LEVEL LAPSE RATES LIMIT HAIL PRODUCTION.

..MOSIER.. 04/11/2013

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

ATTN...WFO...MRX...JKL...LMK...OHX...HUN...

LAT...LON   34978764 36628638 36608439 34988569 34978764

WWWW
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