

994 

WWUS20 KWNS 301546

SEL9

SPC WW 301546

KSZ000-MOZ000-302200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 549

NWS STORM PREDICTION CENTER NORMAN OK

1045 AM CDT WED OCT 30 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  FAR NORTHEAST KANSAS

  NORTHERN MISSOURI



* EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 1045 AM

  UNTIL 500 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 45

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES WEST OF

SAINT JOSEPH MISSOURI TO 15 MILES EAST SOUTHEAST OF KIRKSVILLE

MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



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.



&&



DISCUSSION...SLIGHTLY ELEVATED TSTMS EXPECTED TO PERSIST AND

POSSIBLY INCREASE IN AREA OF SUSTAINED LOW-LVL WAA/MOISTURE

TRANSPORT ASSOCIATED WITH SRN PART OF UPR IMPULSE EJECTING NNE

ACROSS NEB/SD. GIVEN QUALITY OF MOIST INFLOW...RELATIVELY STEEP

MID-LVL LAPSE RATES...AND PRESENCE OF SUFFICIENT CLOUD-LAYER SHEAR

FOR SUSTAINED UPDRAFTS...POTENTIAL WILL EXIST FOR SVR HAIL AND

POSSIBLY LOCALLY DMGG WIND. DEVELOPMENT ALSO MAY BE ENHANCED BY

LOW-LVL UPLIFT NEAR W-E...OUTFLOW-REINFORCED WARM FRONT OVER NRN MO.



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 500. MEAN STORM

MOTION VECTOR 26035.





...CORFIDI

