[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 081737
SWOMCD
SPC MCD 081737
GAZ000-TNZ000-ALZ000-081900-

MESOSCALE DISCUSSION 0822
NWS STORM PREDICTION CENTER NORMAN OK
1237 PM CDT THU MAY 08 2008

AREAS AFFECTED...NRN AL...NW GA INTO ERN TN

CONCERNING...TORNADO WATCH 277...

VALID 081737Z - 081900Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 277 CONTINUES.

PRE-SQUALL LINE BOUNDARY LAYER NORTH OF BIRMINGHAM...AND
PARTICULARLY NORTH OF THE TENNESSEE RIVER INTO MIDDLE/EASTERN
TENNESSEE...WITH THE EXCEPTION OF THE WESTERN SLOPES OF THE
APPALACHIANS...REMAINS RAIN-COOLED/STABILIZED.  AND...CLOUD COVER
FROM APPROACHING CONVECTION WILL PROBABLY PRECLUDE SIGNIFICANT
FURTHER DESTABILIZATION.  BUT...AT LEAST AN ELEVATED MOISTENING AND
FORCING ON THE SOUTHERN FRINGE OF THE SHORT WAVE IMPULSE LIFTING
THROUGH KENTUCKY/TENNESSEE WILL LIKELY MAINTAIN VIGOROUS SQUALL LINE
INTO AREAS NEAR/NORTHEAST OF LOOKOUT MOUNTAIN BY AROUND 20Z.
LOW-LEVEL SHEAR NEAR THE NOSE OF A 40-50 KT LOW-LEVEL JET WILL
REMAIN SUFFICIENT FOR A RISK FOR TORNADOES IN SUPERCELLS WITHIN THE
SQUALL LINE...BUT DAMAGING STRAIGHT LINE WINDS MAY BE THE PRIMARY
SEVERE THREAT...WITH SOME HAIL ALSO POSSIBLE.

..KERR.. 05/08/2008

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

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

34908723 35258699 35488637 35478529 35028500 34618510
34268533 33978566 33758618 33698656 33708741 33838774
33898785



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