[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 030116
SWOMCD
SPC MCD 030115
NCZ000-TNZ000-SCZ000-GAZ000-ALZ000-030245-

MESOSCALE DISCUSSION 0223
NWS STORM PREDICTION CENTER NORMAN OK
0715 PM CST FRI MAR 02 2012

AREAS AFFECTED...ERN TN...NRN GA...WRN NC AND EXTREME WRN SC

CONCERNING...TORNADO WATCH 61...

VALID 030115Z - 030245Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 61 CONTINUES.

THREAT FOR TORNADOES...A FEW OF WHICH COULD BE STRONG...DAMAGING
WIND AND VERY LARGE HAIL WILL CONTINUE THE REMAINDER OF THIS EVENING
ACROSS ERN TN...NRN GA INTO A PORTION OF THE WRN CAROLINAS.

A SSWLY LLJ HAS BEEN STRENGTHENING THE LAST COUPLE OF HOURS OVER
CNTRL AL...NRN/CNTRL GA...ERN TN AND WRN CAROLINAS IN ASSOCIATION
WITH AGEOSTROPHIC FORCING ATTENDING A PROGRESSIVE UPPER JET SHIFTING
NEWD THROUGH THE TN AND OH VALLEYS. THIS HAS RESULTED IN AN INCREASE
IN HODOGRAPH SIZE WITH EFFECTIVE STORM RELATIVE HELICITIES EXCEEDING
400 M2/S2. BOUNDARY LAYER COOLING WILL BE SLOWED SOMEWHAT BY WARM
ADVECTION ATTENDING THE SWLY LLJ...AND BASE OF THE EFFECTIVE INFLOW
LAYER IS EXPECTED TO REMAIN AT OR NEAR THE SURFACE THIS EVENING.
THIS ENVIRONMENT WILL CONTINUE TO SUPPORT SUPERCELLS AND LINES WITH
BOWING STRUCTURES AND A THREAT FOR TORNADOES...DAMAGING WIND AND
LARGE HAIL.

ERN EXTENT OF SEVERE THREAT IS LIMITED BY A WEDGE FRONT EXTENDING
ACROSS WRN NC INTO WRN VA. THERE IS SOME EVIDENCE THAT THIS BOUNDARY
IS BEGINNING TO LIFT SLOWLY NWD ACROSS SCNTRL NC WHERE THE SEVERE
THREAT MIGHT INCREASE LATER THIS EVENING.

..DIAL.. 03/03/2012

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

ATTN...WFO...RNK...GSP...MRX...FFC...OHX...HUN...

LAT...LON   35098568 36108491 36568388 36368160 34708291 34628550
            35098568


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