WWUS20 KWNS 311955
SEL3
SPC WW 311955
MOZ000-010000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 553
NWS STORM PREDICTION CENTER NORMAN OK
255 PM CDT THU OCT 31 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  SOUTH CENTRAL MISSOURI

* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 255 PM UNTIL
  700 PM CDT.

* PRIMARY THREATS INCLUDE...
  SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
  A FEW DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTH OF
SPRINGFIELD MISSOURI TO 55 MILES NORTHEAST OF WEST PLAINS
MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

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 552...

DISCUSSION...A FEW STRONG TO POSSIBLY SVR TSTMS EXPECTED THROUGH
EARLY EVE IN ZONE OF STRONG MID-LVL COOLING/ASCENT ON POLEWARD SIDE
OF 90+ KT 500 MB JET STREAK. ELONGATED NATURE OF SFC PRESSURE TROUGH
AND ASSOCIATED RELATIVELY WEAK CONVERGENCE FIELD/VEERED LOW-LVL FLOW
WILL LIMIT NUMBER OF SUSTAINED STORMS...BUT ANY THAT DO FORM WILL BE
CAPABLE OF SVR HAIL AND LOCALLY DMGG WIND.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM
MOTION VECTOR 26055.


...CORFIDI