Severe Thunderstorm Warning 27, NWS Nashville, TN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
839 PM CST MON JAN 3 2000

SURFACE ANALYSIS AT 01Z SHOWED A STRONG LOW PRESSURE AREA CENTERED
OVER CENTRAL IN. A COLD FRONT EXTENDED FROM THE LOW SSW ACROSS FAR
W PORTIONS OF KY AND TN...AND CONTINUED THROUGH LA INTO THE GULF.

ETA/NGM/AVN MODELS FORECAST THE FRONTAL POSITION WELL EXCEPT THE MODELS
FORECAST POSITION OF THE LOW OVER IL AT 00Z WAS TOO FAR TO THE W AND
SW.

A PREFRONTAL LINE OF THUNDERSTORMS AT 0220Z EXTENDED ACROSS CENTRAL
KY AND ACROSS MIDDLE AND SW MIDDLE TN INTO NW AL AND WAS MOVING E.
MOMENTUM TRANSFER OF THE HIGHER WINDS JUST OFF THE SURFACE DUE TO A
LOW LEVEL JET HAD WORKED DOWN TO THE SURFACE IN THE PUTNAM AND
DEKALB COUNTY AREAS OF E MIDDLE TN AT THIS TIME...CAUSING SOME
DOWNED TREES AND POWER LINES IN PUTNAM AND DEKALB COUNTIES.
HAVE ALREADY ISSUED A WIND ADVISORY (NPW) FOR THESE STRONG WINDS.

ONCE THE LINE OF THUNDERSTORMS MOVES THROUGH...POPS OF COURSE SHOULD
DROP DRAMATICALLY. WILL UPDATE SOME OF THE ZONES IN E NOW TO ADD
WIND ADVISORY AND PROBABLY MAKE SOME ADDITIONAL CHANGES. OTHER ZONE
UPDATES WILL BE ISSUED LATER.

.BNA...WIND ADVSY FOR E MIDDLE TN UNTIL EARLY TUE MRNG.

STEIGERWALDT

TNZ005>011-022>034-055>066-075>080-093>097-040500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
700 PM CST MON JAN 3 2000

...TORNADO WATCH NUMBER 9 IS IN EFFECT UNTIL 900 PM CST FOR NORTHERN
MIDDLE TENNESSEE...AND TORNADO WATCH NUMBER 10 IS IN EFFECT UNTIL 11
PM CST FOR PARTS OF SOUTHERN AND EASTERN MIDDLE TENNESSEE...

THE FOLLOWING COUNTIES ARE INCLUDED IN THE TORNADO WATCH FOR
NORTHERN MIDDLE TENNESSEE...
...CHEATHAM...HUMPHREYS...STEWART...DAVIDSON...MACON...SUMNER...
DICKSON...MONTGOMERY...TROUSDALE...HOUSTON...ROBERTSON...WILSON

THE FOLLOWING COUNTIES ARE INCLUDED IN THE TORNADO WATCH FOR
SOUTHERN AND EASTERN MIDDLE TENNESSEE...
...CANNON...RUTHERFORD...BEDFORD...COFFEE...GILES...LAWRENCE
LINCOLN...MARSHALL...MAURY...MOORE...CLAY...CUMBERLAND... DEKALB...
FENTRESS...FRANKLIN...GRUNDY...JACKSON...OVERTON...PICKETT...
PUTNAM...SMITH...VAN BUREN...WARREN...WHITE

STRONG THUNDERSTORMS ARE MOVING THROUGH MIDDLE TENNESSEE AT THIS
TIME. SOME STORMS HAVE BECOME SEVERE WITH WARNINGS CURRENTLY IN
EFFECT FOR WAYNE...LAWRENCE...LEWIS...MAURY...HICKMAN AND WILLIAMSON.
ALSO...A NEWLY DEVELOPED LINE OF STRONG THUNDERSTORMS HAS DEVELOPED
IN WESTERN MIDDLE TENNESSEE FROM DOVER...WAVERLY TO PARSONS. THE LINE
IS MOVING EAST AT 35 MPH AND AT THE CURRENT SPEED OF MOVEMENT WILL
REACH THE NASHVILLE AREA AROUND 830 PM CST.

SEVERE THUNDERSTORMS HAVE PRODUCED TORNADOES WITH DAMAGE DURING THE
AFTERNOON IN NORTHEAST MISSISSIPPI AND NORTHEAST ARKANSAS.

THE POTENTIAL WILL EXIST TONIGHT FOR SEVERE WEATHER IN MIDDLE
TENNESSEE.

RESIDENTS OF MIDDLE TENNESSEE SHOULD STAY ALERT TO RAPIDLY CHANGING
WEATHER CONDITIONS IN MIDDLE TENNESSEE TONIGHT. LISTEN TO NOAA
WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR FURTHER UPDATES
AND WARNINGS SHOULD THEY BECOME NECESSARY.

NOW IS THE TIME TO DECIDE WHERE YOU MIGHT TAKE COVER SHOULD SEVERE
WEATHER THREATEN YOUR AREA.

BOYD
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PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
728 PM CDT TUE AUG 24 1999

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0544 PM    HARTSVILLE                TN   WIND DAMAGE
01/03/00   TROUSDALE                      TREES DOWN ALONG SULPHUR
                                          COLLEGE ROAD AND ALONG
                                          OLDHAM ROAD...BOTH IN SW
                                          PART OF COUNTY...REPORTED BY
                                          SHERIFF.

STEIGERWALDT

TNZ009>011-028>034-061>066-075>080-096-097-040600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
801 PM CST MON JAN 3 2000

...A TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM CST...

STRONG WINDS NOT ASSOCIATED WITH THUNDERSTORMS HAVE DEVELOPED IN
EASTERN MIDDLE TENNESSEE. STRONG WINDS WERE REPORTED IN THE
COOKEVILLE AREA WITH LARGE TREE BRANCHES BLOWN DOWN.

THE STRONG WINDS ARE A RESULT OF A TIGHT PRESSURE GRADIENT WHICH
EXISTS OVER THE EASTERN MIDDLE TENNESSEE AREA. WIND GUSTS IN THE 35
TO 45 MPH RANGE CAN BE EXPECTED FOR THE NEXT FEW HOURS.

MOTORISTS ARE URGED TO DRIVE WITH CAUTION THROUGH THE
AREA...ESPECIALLY HIGH PROFILE VEHICLES.

BOY8D
01

TNZ009>011-028>034-061>066-075>080-096-097-040900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1115 PM CST MON JAN 3 2000

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3 AM CST FOR
EXTREME EASTERN MIDDLE TENNESSEE AND THE CUMBERLAND PLATEAU...
...A WIND ADVISORY IS IN EFFECT FOR EASTERN MIDDLE TENNESSEE AND THE
CUMBERLAND PLATEAU FOR TONIGHT...

A LINE OF STRONG TO SEVERE THUNDERSTORMS ARE MOVING THROUGH EXTREME
EASTERN MIDDLE TENNESSEE AT THIS TIME. SEVERE THUNDERSTORM WARNINGS
HAVE BEEN ISSUED FOR SEVERAL COUNTIES AHEAD OF THE LINE. DAMAGING
WINDS AND LARGE HAIL CAN BE EXPECTED WITH THE SEVERE THUNDERSTORMS.

IN ADDITION...STRONG WINDS ARE OCCURRING OVER PARTS OF EASTERN
MIDDLE TENNESSEE AND THE CUMBERLAND PLATEAU. THESE WINDS ARE NOT
ASSOCIATED WITH THUNDERSTORMS BUT ARE THE RESULT OF A TIGHT PRESSURE
GRADIENT THROUGH THAT AREA.

WIND GUSTS FROM 35 TO 45 MPH CAN BE EXPECTED THROUGH THIS AREA UNTIL
THE COLD FRONT PASSES LATER TONIGHT. IF YOU ARE DRIVING THROUGH THIS
AREA...BE PREPARED FOR STRONG GUSTY WINDS. OPERATORS OF HIGH PROFILE
VEHICLES SHOULD EXERCISE CAUTION UNTIL THE COLD FRONT PASSES LATER
TONIGHT.

BOYD
01