Tornado Warning 59, NWS Morristown, TN

AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
355 PM EDT WED JUN 3 1998

STNRY FRNT ORIENTED E-W ALONG KY/TN BRDR WL BE THE FOCUS OF ACTIVITY
FOR THIS FCST PD. AIRMASS IN VCNTY OF FRNT WL REMAIN VERY MOIST AND
UNSTABLE. HEIGHTS WL GRADUALLY LOWER AS VORT MAX IN SW US TROF LIFTS
OUT AND HELPS FLATTEN BROAD RIDGE FM SE COAST INTO TX. TIL NOW MY CWA
WAS ON SRN EDGE OF THE WESTERLIES. NOW WE WL BE RIGHT IN THE MIDDLE.
THIS WL ALLOW NMRS SHRTWVS MOVG THRU FLOW TO AFFECT MY CWA.  TWO IN
PARTICULAR STAND OUT.  ONE IN TX WL TRACK INTO TN VALLEY BY 12Z THU.
GOOD COVERAGE OF SHWRS/TSTMS THU AS VORT INTERACTS W/FRONT..HIGH
MOISTURE AND VERY GOOD INSTABILITY. 2ND VORT IS THE ONE LIFTING OUT OF
SW TROF.  THIS ONE WL AFFECT CWA FRI. XPCTG ANTHR GOOD ROUND OF
SHWRS/TSTMS THU W/SAME AIRMASS IN PLACE.  W/UNIDIRECTIONAL FLOW THRU
THE PD..TRAINING ECHOES AND FLASH FLOODING WL BECM AN INCRSG THREAT.
LATER SHIFTS WL NEED TO MONITOR FOR PSBL FLASH FLOOD WATCH.  IN BTWN 2
MAIN VORTS..STILL SOME WEAK ENERGY MOVG THRU FLOW SO NEED TO KEEP POPS
GOING THURS NGT.

NEED LIKELY/CATEGORICAL POPS FOR NRN PLATEAU..NE TN AND SW VA TON DUE
TO WATCH IN PLACE AND GOOD TSTM COVERAGE. WL PROB NEED UPDATING LATER
AFTER ACTIVITY MOVES THRU. FOR REMAINDER OF E TN..SW NC WOULD KEEP
POPS IN THE CHC CATEGORY AS MOST ACTIVITY WL STAY TO THE N. LIKELY
POPS FOR ALL OF CWA THURS XCPT SE TN AND SW NC WHERE 40-50 PCT SHLD
DO.  CHC POPS THU NGT. WOULD GO FOR LIKELY POPS ALL OF CWA FRI SINCE
IT LOOKS LIKE ENTIRE AREA WL BE IN THE THICK OF THINGS.

IN GENERAL PREFER THE FAN TEMPS. ESP FRI W/LOTS OF CLDS AND WIDESPREAD
PRECIP.

HSA

TNZ012>018-035>047-066>074-VAZ001-002-005-006-008-040140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
234 PM EDT (134 PM CDT) WED JUN 3 1998

...SEVERE THUNDERSTORMS POSSIBLE ACROSS THE NORTHERN CUMBERLAND
PLATEAU..NORTHEAST TENNESSEE AND SOUTHWEST VIRGINIA THE REMAINDER OF
THIS AFTERNOON INTO THIS EVENING...

A STATIONARY FRONT EXTENDS EAST TO WEST ALONG THE BORDER OF
TENNESSEE AND KENTUCKY. A DISTURBANCE WILL MOVE ALONG THIS FRONT
THIS AFTERNOON AND EVENING. THE AIRMASS IN THE VICINITY OF THE FRONT
IS VERY UNSTABLE. THE DISTURBANCE IS TRIGGERING THUNDERSTORMS IN
KENTUCKY THIS AFTERNOON. THESE STORMS WILL MOVE TO THE EAST
SOUTHEAST THIS AFTERNOON AND EVENING INTO THE NORTHERN CUMBERLAND
PLATEAU..NORTHEAST TENNESSEE AND SOUTHWEST VIRGINIA.

DUE TO THE INSTABLILITY..SOME OF THESE STORMS COULD BECOME SEVERE.
THE MAIN THREAT WILL BE FROM DAMAGING WINDS AND HAIL.

REMEMBER...A SEVERE THUNDERSTORM IS ANY STORM THAT PRODUCES HAIL 3/4
INCH (DIME-SIZE) OR LARGER..AND/OR WINDS OF 58 MPH OR HIGHER.

EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTER GROUPS SHOULD
CONTINUE TO MONITOR THE WEATHER SITUATION THIS AFTERNOON AND
EVENING..AND BE PREPARED FOR POSSIBLE ACTIVATION.

STAY TUNED TO THIS STATION FOR FURTHER STATEMENTS FROM THE NATIONAL
WEATHER SERVICE.

HSA