Severe Thunderstorm Warning 139, NWS Nashville, TN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
339 PM CDT SAT JUN 21 2008

.DISCUSSION...A SURFACE BOUNDARY WAS CROSSING MID TN THIS
AFTERNOON...AS SEEN BY DEMARCATION ON SATELLITE AND RADAR...WITH
SCATTERED MARGINAL SEVERE STORMS EAST OF THE BOUNDARY. THIS
FEATURE ALONG WITH WEAK UPPER SUPPORT WILL CONTINUE EASTWARD
THIS EVENING. ANOTHER WEAK FEATURE NOTED FROM NORTH IN BACK ACROSS
THE ST LOUIS AREA WILL SWING DOWN OUR WAY LATER TONIGHT. IT
APPEARS THE ATMOSPHERE WILL BE DRIER AND MORE STABLE THEN. SO...WE
WILL RANGE TONIGHT/S POPS FROM 30 EAST TO 10 WEST...EXPECTING
MOST OF THE ACTIVITY DURING THE EVENING HOURS. SOME ISOLATED
MARGINAL SEVERE WX STILL POSSIBLE UNTIL DARK...WITH LARGE HAIL AND
BRIEF LOCALIZED WIND GUSTS TO 60 MPH BEING THE MAIN CONCERNS.

THROUGH THE NEXT COUPLE OF DAYS...MORE SHORTWAVE FEATURES WILL
ROTATE AROUND THE BASE OF THE EASTERN U.S. TROUGH. THESE FEATURES
WILL PRODUCE AT LEAST SLIGHT RAIN CHANCES. THE MOST SIGNIFICANT
FEATURE IS EXPECTED ON MONDAY...TO BE FOLLOWED BY A BRIEF SHOT OF
SLIGHTLY COOLER AND DRIER AIR. POPS ON MONDAY WILL RANGE FROM 20
SOUTHWEST TO 40 NORTHEAST. ISOLATED SEVERE STORMS CANNOT BE RULED
OUT ANY TIME LATE SUNDAY THROUGH MONDAY WITH STEEPENING APSE
RATES. FORECAST SOUNDINGS SUGGEST CAPES NEAR 1500, LI VALUES TO -5
AND TOTALS OVER 50 ON MONDAY.

LATER MONDAY THROUGH TUESDAY TIME PERIOD APPEARS DRY AND A LITTLE
COOLER. IN THE REST OF THE EXTENDED FORECAST...EASTERN TROUGH
APPEARS TO LIFT. RISING HEIGHTS AND RETURN TO A BERMUDA HIGH
PATTERN WILL MEAN WARMER TEMPS. MODELS SHOW A SERIES OF
DISTURBANCES CROSSING THE REGION. THIS WILL MEAN ON AND OFF
CHANCES FOR SHOWERS AND STORMS. NO MAJOR SURFACE FEATURES NOTED AT
THIS TIME...SO POPS WILL BE AROUND 20 PERCENT...FOR MAINLY
DIURNALLY DRIVEN THUNDERSTORMS.

&&

.PRELIMINARY POINT TEMPS/POPS...
NASHVILLE      63  86  64  84 /  20  20  20  30
CLARKSVILLE    62  84  61  82 /  10  20  20  20
CROSSVILLE     57  81  60  79 /  30  20  20  40
COLUMBIA       61  87  64  85 /  20  10  20  20
LAWRENCEBURG   62  87  63  85 /  10  10  20  20
WAVERLY        61  85  62  84 /  10  20  20  20

&&

.OHX WATCHES/WARNINGS/ADVISORIES...NONE.

&&

13

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
532 AM CDT SAT JUN 21 2008

TNZ005>011-022>034-056>066-075-077>080-093>095-221030-
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-DEKALB-WHITE-
CUMBERLAND-BEDFORD-COFFEE-WARREN-GRUNDY-VAN BUREN-WAYNE-LAWRENCE-
GILES-
532 AM CDT SAT JUN 21 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SCATTERED STORMS ARE EXPECTED SUNDAY NIGHT AS A SHORTWAVE SWINGS
ACROSS THE MID STATE. A FEW OF THESE STORMS MAY BECOME SEVERE,
ESPECIALLY AROUND CLARKSVILLE, DOVER, AND CAMDEN.

.SPOTTER INFORMATION STATEMENT...

DUE TO THE BRIEF AND ISOLATED NATURE OF POSSIBLE SEVERE WEATHER,
SPOTTER ACTIVATION IS NOT ANTICIPATED.

ROSE

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
327 PM CDT SAT JUN 21 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0325 PM     HAIL             4 S MURFREESBORO        35.80N 86.39W
06/21/2008  E0.88 INCH       RUTHERFORD         TN   NWS EMPLOYEE

&&

SHERRON