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2 products issued by NWS for: Nashville TN

Special Weather Statement

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1042 AM CDT TUE MAY 21 2013

TNZ005>011-022>034-056>066-075-077>080-093>095-220000-
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-BENTON-
HOUSTON-HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-
SMITH-JACKSON-PUTNAM-OVERTON-FENTRESS-PERRY-HICKMAN-LEWIS-
WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-CANNON-DE KALB-WHITE-
CUMBERLAND-BEDFORD-COFFEE-WARREN-GRUNDY-VAN BUREN-WAYNE-LAWRENCE-
GILES-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...BYRDSTOWN...CAMDEN...ERIN...
WAVERLY...DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...
MOUNT JULIET...HARTSVILLE...CARTHAGE...GAINESBORO...COOKEVILLE...
LIVINGSTON...JAMESTOWN...LOBELVILLE...CENTERVILLE...HOHENWALD...
FRANKLIN...BRENTWOOD...COLUMBIA...LEWISBURG...MURFREESBORO...
WOODBURY...SMITHVILLE...SPARTA...CROSSVILLE...SHELBYVILLE...
TULLAHOMA...MANCHESTER...MCMINNVILLE...ALTAMONT...SPENCER...
WAYNESBORO...LAWRENCEBURG...PULASKI
1042 AM CDT TUE MAY 21 2013

...TORRENTIAL RAIN AND STRONG TO SEVERE STORMS POSSIBLE...

AREAS OF THUNDERSTORMS HAVE ALREADY DEVELOPED ACROSS THE MID
MISSISSIPPI VALLEY AREA AND THE SOUTHERN PLAINS. ONE OF THESE
THUNDERSTORM COMPLEXES WILL MOVE INTO MIDDLE TENNESSEE FROM LATE
MORNING THROUGH THE AFTERNOON HOURS. THE MAIN THREATS WITH THESE
STORMS WILL BE TORRENTIAL RAINFALL AND WIND GUSTS TO 45MPH.
SCATTERED STORMS WILL CONTINUE THROUGH THIS AFTERNOON AND
EVENING...AND AN ISOLATED SEVERE STORM OR TWO CANNOT BE RULED OUT.

HOWEVER...THE BEST CHANCE FOR STRONG TO SEVERE STORMS WILL BE
MAINLY TOWARDS DAWN WEDNESDAY AS SEVERE STORMS DEVELOP OVER THE
SOUTHERN PLAINS THIS AFTERNOON AND MARCH EASTWARD OVERNIGHT. A
LINE OF STRONG TO SEVERE STORMS IS EXPECTED TO APPROACH MIDDLE
TENNESSEE VERY LATE TONIGHT INTO THE EARLY MORNING HOURS ON
WEDNESDAY...WITH STRONG WINDS AND TORRENTIAL RAINFALL BEING THE
MAIN THREATS. ISOLATED LARGE HAIL CANNOT BE RULED OUT...AND AT
THIS TIME...A TORNADO THREAT LOOKS VERY LOW. IT SHOULD BE
EMPHASIZED THAT ANY THUNDERSTORMS THAT AFFECT MIDDLE TENNESSEE
TODAY...TONIGHT AND WEDNESDAY WILL NOT NEARLY BE AS SIGNIFICANT AS
WHAT OCCURRED YESTERDAY IN OKLAHOMA.

THE BEST CHANCE FOR SEVERE WEATHER WILL BE BETWEEN ROUGHLY 3AM AND
8AM NEAR THE TENNESSEE RIVER...WITH STORMS WEAKENING AS THEY MOVE
FURTHER EAST. A THREAT FOR STRONG STORMS WILL STILL EXIST
THROUGHOUT THE DAY WEDNESDAY BEFORE THE STORM SYSTEM PUSHES
THROUGH THE REGION.

$$

AL





Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
750 AM CDT TUE MAY 21 2013

TNZ005>011-022>034-056>066-075-077>080-093>095-221300-
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-BENTON-
HOUSTON-HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-
SMITH-JACKSON-PUTNAM-OVERTON-FENTRESS-PERRY-HICKMAN-LEWIS-
WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-CANNON-DE KALB-WHITE-
CUMBERLAND-BEDFORD-COFFEE-WARREN-GRUNDY-VAN BUREN-WAYNE-LAWRENCE-
GILES-
750 AM CDT TUE MAY 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR NORTHWEST
MIDDLE TENNESSEE TUESDAY INTO TUESDAY NIGHT...GENERALLY ALONG AND
WEST OF A LINE FROM WAYNESBORO TO SPRINGFIELD.

AN UPPER LEVEL TROUGH OF LOW PRESSURE WILL SWING ACROSS THE
REGION TUESDAY NIGHT. AHEAD OF THIS TROUGH...SEVERAL ROUNDS OF
SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE MID STATE
TODAY...WITH ADDITIONAL SHOWERS AND STORMS SPREADING INTO THE AREA
OVERNIGHT AS THE TROUGH MOVES ACROSS. SOME STORMS MAY BE STRONG
TO SEVERE...WITH DAMAGING WINDS AND LARGE HAIL THE MAIN THREATS.
LOCALLY HEAVY RAINFALL AND LOCALIZED FLOODING WILL ALSO BE
POSSIBLE WITH THE HEAVIER SHOWERS AND STORMS...WITH THE BIGGEST
THREAT FOR HEAVY RAINFALL AND POSSIBLE FLOODING ACROSS NORTHWEST
MIDDLE TENNESSEE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...

REPORTS FROM TRAINED WEATHER SPOTTERS MAY BE NEEDED TODAY INTO
TONIGHT.

$$

SPOTTER THUNDERSTORM REPORTING CRITERIA...
TORNADO
FUNNEL CLOUD
FLOODING
HAIL >= 1/2 INCH
WINDS > 50 MPH (MEASURED)
STRUCTURAL DAMAGE
TREES OR POWER LINES DOWN

55






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