[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 210202
SWOMCD
SPC MCD 210201
KYZ000-TNZ000-GAZ000-ALZ000-MSZ000-210330-

MESOSCALE DISCUSSION 0130
NWS STORM PREDICTION CENTER NORMAN OK
0801 PM CST THU FEB 20 2014

AREAS AFFECTED...MIDDLE TN INTO PARTS OF ERN TN AND NRN AL

CONCERNING...TORNADO WATCH 11...16...

VALID 210201Z - 210330Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 11...16...CONTINUES.

SUMMARY...IN ADDITION TO A TORNADO THREAT...CONCERN EXISTS FOR
WIDESPREAD DAMAGING WINDS TO AFFECT MUCH OF MIDDLE TN THROUGH
04Z...AND A SIMILAR THREAT SWD FROM NERN MS INTO NRN AL.

DISCUSSION...AT 0145Z...REGIONAL RADAR IMAGERY SHOWED A QLCS OVER
MIDDLE TN WITH A PORTION OF THIS ACTIVITY APPROACHING THE NASHVILLE
METRO AREA AROUND 02Z...WITH THE MIDDLE TN AND NERN MS PORTIONS OF
THE ACTIVITY REACHING THE ERN EXTENT OF WW 16 IN ERN TN BY 04Z AS
THESE LINES MOVE ENEWD AT 50 KT.  DESPITE TIME OF DAY...SLY LOW
LEVEL FLOW HAS MAINTAINED A MOIST-MARGINALLY UNSTABLE ENVIRONMENT...
WHILE RECENT WSR-88D BNA VAD SHOWED VERY STRONG DEEP LAYER WIND
FIELDS SUPPORTING A THREAT FOR DAMAGING WINDS AND A TORNADO THREAT.
TRENDS IN RADAR IMAGERY AND LIGHTNING DATA SUGGESTED AN INCREASE IN
STORM ORGANIZATION AND MESOSCALE ENHANCEMENT PER COLD POOL
EVOLUTIONS.

..PETERS.. 02/21/2014

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

ATTN...WFO...MRX...JKL...FFC...LMK...OHX...BMX...HUN...MEG...

LAT...LON   33998870 35318796 36738654 36588437 35928462 35048550
            34388601 33858797 33998870



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