

629 

WWUS20 KWNS 041001

SEL1

SPC WW 041001

KYZ000-TNZ000-VAZ000-041500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 61

NWS STORM PREDICTION CENTER NORMAN OK

600 AM EDT FRI APR 4 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTH CENTRAL AND SOUTHEASTERN KENTUCKY

  EASTERN TENNESSEE

  FAR SOUTHWEST VIRGINIA



* EFFECTIVE THIS FRIDAY MORNING FROM 600 AM UNTIL 1100 AM EDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A FEW TORNADOES POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85

STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTHEAST OF

NASHVILLE TENNESSEE TO 30 MILES NORTHEAST OF JACKSON KENTUCKY.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 57...WW 58...WW 59...WW

60...



DISCUSSION...LONG-LIVED BOW ECHO MCS WITH AND EMBEDDED VORTEX ON ITS

N END NOW IN MIDDLE TN EXPECTED TO CONTINUE ENEWD WITH ASSOCIATED

50-60 KT 700 MB SPEED MAX. WHILE LOW-LVL BUOYANCY SOMEWHAT

DIMINISHES WITH ENE EXTENT...STRENGTH OF WIND FIELD AND EXISTING

ORGANIZED NATURE OF MCS SUGGEST A CONTINUED RISK FOR DMGG WIND AND

POSSIBLY A TORNADO BEFORE SQLN MOVES COMPLETELY BEYOND LOW-LVL

MOISTURE AXIS LATER THIS MORNING.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM

MOTION VECTOR 25045.





...CORFIDI

