[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 101857
SWOMCD
SPC MCD 101857
SCZ000-NCZ000-TNZ000-GAZ000-ALZ000-102030-

MESOSCALE DISCUSSION 0941
NWS STORM PREDICTION CENTER NORMAN OK
0157 PM CDT TUE JUN 10 2014

AREAS AFFECTED...EASTERN AL AND MIDDLE/EASTERN TN TO WEST/NORTH GA
AND WESTERN CAROLINAS

CONCERNING...SEVERE THUNDERSTORM WATCH 273...

VALID 101857Z - 102030Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 273
CONTINUES.

SUMMARY...DAMAGING WIND POTENTIAL IS LIKELY TO CONTINUE TO INCREASE
ACROSS EASTERN AL/MIDDLE TN TO EASTERN TN AND WEST/NORTH GA TO THE
FAR WESTERN CAROLINAS THIS AFTERNOON. SEVERE THUNDERSTORM WATCH 273
CONTINUES UNTIL 23Z. AN ADDITIONAL WATCH IS LIKELY /80+ PERCENT/
ACROSS PARTS OF GA/EASTERN TN AND THE FAR WESTERN CAROLINAS.

DISCUSSION...AN EXTENSIVE NORTH-SOUTH SQUALL LINE...ALONG WITH
PRECEDING STORMS...HAS SHOWN SIGNS OF GENERAL INTENSIFICATION/MODEST
EAST-NORTHEASTWARD ACCELERATION EARLY THIS AFTERNOON AS IT MOVES
ACROSS MIDDLE TN/EASTERN AL. A 46 KT WIND GUST WAS RECENTLY /1835Z/
MEASURED AT ALBERTVILLE AL. TRENDS IN SURFACE DATA GENERALLY
INDICATE THAT PRE-SQUALL LINE CONVERGENCE HAS SOMEWHAT INCREASED VIA
A TREND TOWARD SOUTH-SOUTHEASTERLY LOW-LEVEL WINDS COINCIDENT WITH A
CORRIDOR OF 2+ MB/2-HR PRESSURE FALLS...WHICH ARE MAXIMIZED ACROSS
NORTHEAST AL/NORTHWEST GA. AHEAD OF THE SQUALL LINE...UPPER 70S AND
80S F SURFACE TEMPERATURES AND UPPER 60S/LOWER 70S F SURFACE
DEWPOINTS ARE CONTRIBUTING TO 1000-2500 J/KG MLCAPE /HIGHEST ACROSS
AL INTO GA/. INDICATIVE OF THE STRENGTHENING DEEP-LAYER/NEARLY
UNIDIRECTIONAL SOUTHWESTERLY WINDS ABOVE THE SURFACE...LATEST
WSR-88D VWP DATA FROM BIRMINGHAM IN THE IMMEDIATE WAKE OF THE SQUALL
LINE IS SHOWING SOUTHWESTERLY WINDS AS STRONG AS 50 KT BETWEEN 2-4
KM AGL. IN ALL...DAMAGING WIND POTENTIAL SHOULD FURTHER INCREASE AS
THE SQUALL LINE GRADUALLY ACCELERATES EAST-NORTHEASTWARD THROUGH
MID/LATE AFTERNOON.

..GUYER.. 06/10/2014

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

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

LAT...LON   36148619 36498451 35948334 34978281 34288319 33488415
            32188552 32458646 34218636 36148619



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