WWUS20 KWNS 171852
SEL7
SPC WW 171852
KSZ000-180300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 117
NWS STORM PREDICTION CENTER NORMAN OK
150 PM CDT WED APR 17 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  EASTERN KANSAS

* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 150 PM
  UNTIL 1000 PM CDT.

* PRIMARY THREATS INCLUDE...
  SEVERAL TORNADOES WITH A FEW INTENSE TORNADOES POSSIBLE
  SEVERAL VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER
    POSSIBLE
  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES NORTH NORTHEAST OF
LEAVENWORTH KANSAS TO 60 MILES SOUTHWEST OF CHANUTE KANSAS.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU7).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 113...WW 114...WW
115...WW 116...

DISCUSSION...SEVERE THUNDERSTORMS ARE EXPECTED TO RAPIDLY FORM NEAR
A DEVELOPING SURFACE LOW...AND ALONG AND AHEAD OF A TRAILING COLD
FRONT...LATE THIS AFTERNOON.  THIS LIKELY WILL INCLUDE A FEW
SUPERCELLS CAPABLE OR PRODUCING VERY LARGE HAIL AND TORNADOES. 
ACTIVITY MAY INCREASE IN COVERAGE AND CONSOLIDATE INTO AN EVOLVING
SQUALL LINE BY THIS EVENING...BEFORE ADVANCING EASTWARD INTO THE
MIDDLE MISSISSIPPI VALLEY.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 23035.


...KERR