[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 201802
SWOMCD
SPC MCD 201802
SCZ000-NCZ000-GAZ000-TNZ000-ALZ000-202000-

MESOSCALE DISCUSSION 1843
NWS STORM PREDICTION CENTER NORMAN OK
0102 PM CDT SUN AUG 20 2006

AREAS AFFECTED...MIDDLE/ERN TN...NERN AL...NRN GA...WRN SC AND SWRN
NC

CONCERNING...SEVERE THUNDERSTORM POTENTIAL

VALID 201802Z - 202000Z

SVRL CLUSTERS OF STG TSTMS DEVELOPING ALONG OLD OUTFLOW BNDRY/S WILL
CONTINUE TO INTENSIFY OVER THE NEXT FEW HRS AND MAY POSE A MARGINAL
SVR WIND THREAT AS THEY MOVES ESEWD THROUGH THE SRN APPALACHIAN
REGION. WW IS NOT ANTICIPATED ATTM.

LATEST VISIBLE/RADAR IMAGERY SHOWS SEVERAL WEAKLY ORGANIZED
CONVECTIVE LINES DEVELOPING IN A REGION OF MODEST ASCENT/CONVERGENCE
ALONG AND JUST AHEAD OF REMNANT OUTFLOW BOUNDARY/S OVER MIDDLE AND
ERN TN. ADDITIONAL CONVECTION MAY DEVELOP OVER THE NEXT 1-2 HRS
ALONG THE HIGHER TERRAIN OF THE SRN APPALACHIANS. MODEST
UNIDIRECTIONAL MID LEVEL FLOW WAS OVER MUCH OF MIDDLE/ERN TN...20-25
KTS PER RECENT VWP DATA...GENERATED BY A WEAKENING MCV OVER ERN KY.
THUS SOME CONTINUED ORGANIZATION IS POSSIBLE AS CONVECTION MOVES
SEWD DOWN A MODERATE INSTABILITY /MLCAPES AROUND 2000 J/KG/ AXIS
EXTENDING ACROSS NERN AL/NRN GA AND SWRN NC OVER THE NEXT FEW HRS.

..CROSBIE.. 08/20/2006

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

ATTN...WFO...CAE...GSP...MRX...FFC...OHX...BMX...HUN...

35788292 36128582 36338726 36088765 35398772 35148728
34818688 34128608 33828510 33658416 33478348 33368263
33858167 34718124 35438109

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