DAY1SVR: Public Severe Weather Outlook (Automatic)

752
WOUS40 KWNS 201020
PWOSPC
ALZ000-KYZ000-MSZ000-TNZ000-201800-

PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0419 AM CST THU FEB 20 2014

...A SIGNIFICANT SEVERE WEATHER EPISODE IS EXPECTED OVER PARTS OF
THE LOWER OHIO VALLEY...TENNESSEE VALLEY INTO LOWER MISSISSIPPI
VALLEY THIS AFTERNOON AND TONIGHT...

The NWS Storm Prediction Center in Norman, OK is forecasting the
development of widespread damaging winds and a few tornadoes over
parts of the lower Ohio and Tennessee Valleys...into the lower
Mississippi Valley and central Gulf States this afternoon and
tonight.

The areas most likely to experience this activity include:

northwest Alabama
western and central Kentucky
northern Mississippi
western and middle Tennessee

Elsewhere, severe storms are also possible from the Ohio Valley to
central Gulf Coast.

A late-winter storm system over the central U.S. this morning will
undergo significant intensification today while advancing eastward
into the Mississippi Valley. A line of severe thunderstorms is
expected to develop by late afternoon over parts of the middle and
lower Mississippi Valley as a strong surface cold front encounters a
seasonably warm and moist air mass streaming north from the Gulf of
Mexico.

Powerful jet stream winds of over 100 mph in the upper atmosphere
will interact with the developing thunderstorms to promote a
fast-moving squall line which will impact much of the Ohio and
Tennessee Valleys as well as the lower Mississippi Valley into
central Gulf States this evening into overnight. Corridors of
substantial wind damage appear likely along the squall line
track...along with a few tornadoes.

State and local emergency managers are monitoring this developing
situation. Those in the threatened area are urged to review severe
weather safety rules and to listen to radio, television, and NOAA
Weather Radio for possible watches, warnings, and statements later
today.

..Mead.. 02/20/2014

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