Severe Thunderstorm Warning 35, NWS Morristown, TN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
352 PM EDT TUE MAY 23 2000

NORTHWEST FLOW DOMINATES THE PICTURE THROUGH WEDNESDAY NIGHT...THEN
BECOMES WESTERLY THURSDAY. SHORTWAVE MOVING THROUGH THE FLOW NOW
TRIGGERING CONVECTIVE ACTIVITY WILL MOVE OUT THIS EVENING. FRONT
LEFT QUAD OF 300 MB JET AND ASSOCIATED DIVERGENT AREA WILL BE OVER
SOUTHWEST VA/NORTHEAST TN THIS EVENING AND THEN LIFT NORTHEAST.
WENT WITH LIKELY POPS ALL AREAS EXCEPT 50 PERCENT SOUTHEAST.

A SECOND SHORTWAVE WILL MOVE THROUGH THE EARLY PART OF THE DAY
WEDNESDAY WITH ANOTHER ROUND OF SHOWERS AND STORMS. ATMOSPHERE
REMAINS UNSTABLE THROUGHOUT THE DAY AND INTO WEDNESDAY NIGHT WITH
COLD FRONT EXTENDING FROM GREAT LAKES TO CENTRAL PLAINS SAGGING
SLOWLY SOUTHEAST.

FRONT SHOULD CLEAR MUCH OF THE FA THURSDAY SO ONLY WENT WITH SLIGHT
CHANCE POPS IN SOUTHEAST TN/SOUTHWEST NC.

TEMPS A BLEND OF FWC/FAN.

CHA TE 065/086 066/086 068 09543
TYS TE 065/084 064/084 065 09643
TRI TT 061/082 062/082 062 09652
OQT TE 065/084 064/084 065 0964

.MRX...
NC...NONE.
TN...SEVERE THUNDERSTORM WATCH UNTIL 23Z FOR TNZ012>015-035>040-
067>071-073-082-072-074
VA...NONE.

AUSTIN

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-005-
006-008-240000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
203 PM EDT TUE MAY 23 2000

...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR PARTS OF THE
CUMBERLAND PLATEAU AND THE EAST TENNESSEE VALLEY UNTIL 700 PM EDT
(600 PM CDT)....

THERE WILL BE TWO ADDITIONAL ROUNDS OF THUNDERSTORMS MOVING
THROUGH THE REGION THIS AFTERNOON AND TONIGHT AS A STRONG UPPER LEVEL
DISTURBANCE MOVES THROUGH THE OHIO AND TENNESSEE VALLEYS.

THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER EASTERN TENNESSEE AND
SOUTHWEST VIRGINIA THROUGH THIS EVENING. A FEW OF THESE STORMS MAY
BECOME SEVERE. THE THUNDERSTORMS THAT DEVELOP THIS AFTERNOON WILL
DISSIPATE BETWEEN SUNSET AND MIDNIGHT. THE MAIN THREAT FROM THESE
STORMS WILL BE LARGE HAIL NEAR TWO INCHES IN SIZE. WIND GUSTS IN
EXCESS OF 70 MPH ARE ALSO POSSIBLE.

FINALLY...THE LAST ROUND OF THUNDERSTORMS IS EXPECTED TO MOVE
INTO THE AREA FROM THE NORTHWEST TOWARD DAYBREAK WEDNESDAY MORNING.
THESE STORMS WILL DEVELOP IN THE MID MISSISSIPPI RIVER VALLEY OF
MISSOURI...ILLINOIS AND WESTERN KENTUCKY THIS EVENING.
THESE STORMS WILL LIKELY BECOME A SQUALL LINE AND MOVE INTO EAST
TENNESSEE AND SOUTHWEST VIRGINIA TOWARD DAYBREAK WEDNESDAY MORNING.
THE THUNDERSTORMS LATE TONIGHT WILL MAINLY AFFECT AREAS NORTH OF
INTERSTATE 40. THERE IS A CHANCE THAT THE LATE NIGHT THUNDERSTORMS
WILL ALSO BE SEVERE.

ALL OF THE THUNDERSTORMS WILL GENERALLY MOVE SOUTHEAST AROUND
30 MPH...AND BE CAPABLE OF PRODUCING LOCALLY HEAVY RAINFALL.

SKYWARN SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL MAY NEED TO BE
ACTIVATED LATER THIS AFTERNOON AND TONIGHT. STAY TUNED TO NOAA
WEATHER RADIO...LOCAL TELEVISION AND RADIO STATIONS...OR CABLE
TELEVISION FOR THE LATEST STATEMENTS ON THE POTENTIAL OF SEVERE
WEATHER.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
419 PM EDT TUE MAY 23 2000

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

0355 PM    HUNTSVILLE                TN   1.00 INCH HAIL
05/23/00   SCOTT                          REPORTED BY SPOTTER

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
600 PM EDT TUE MAY 23 2000

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

0425 PM    HUNTSVILLE                TN   WIND DAMAGE
05/23/00   SCOTT                          REPORTED BY DISPATCH
                                          TREES DOWN ON POWER LINES.

0445 PM    OAK RIDGE                 TN   1.00 INCH HAIL
05/23/00   ANDERSON                       REPORTED BY DISPATCH

0554 PM    OAK RIDGE                      WIND DAMAGE
05/23/00   ANDERSON                       REPORTED BY DISPATCH
                                          SEVERAL TREES DOWN.

0554 PM    FOUNTAIN CITY             TN   1.00 INCH HAIL
05/23/00   KNOX                           REPORTED BY DISPATCH

0505 PM    POWELL                         TORNADO
05/23/00   KNOX                           REPORTED BY DISPATCH
                                          TORNADO REPORTED ON CLINTON
                                          ROAD (EMORY ROAD) IN KNOXVILLE.

0535 PM    5 S SEYMOUR               TN   TORNADO
05/23/00   SEVIER                         REPORTED BY PILOT
                                          BY PILOT...VIA HAM RADIO                                                   OPERATOR.

DH