WWUS20 KWNS 250223
SEL0
SPC WW 250223
IAZ000-ILZ000-MOZ000-251000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 350
NWS STORM PREDICTION CENTER NORMAN OK
920 PM CDT WED JUN 24 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  SOUTHEASTERN IOWA
  WEST CENTRAL AND NORTHWEST ILLINOIS
  NORTH CENTRAL AND NORTHEAST MISSOURI

* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 920 PM
  UNTIL 500 AM CDT.

* PRIMARY THREATS INCLUDE...
  SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
    TO 75 MPH POSSIBLE
  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
  A TORNADO OR TWO POSSIBLE

SUMMARY...AN EVOLVING MESOSCALE CONVECTIVE SYSTEM WILL DEVELOP EAST
SOUTHEASTWARD OUT OF CENTRAL IOWA THROUGH UPPER PORTIONS OF THE
MIDDLE MISSISSIPPI VALLEY OVERNIGHT.  THIS WILL BE ACCOMPANIED BY AN
INCREASING RISK FOR STRONG...POTENTIALLY DAMAGING...WIND GUSTS AND
AT LEAST SOME SEVERE HAIL.  ONE OR TWO TORNADOES MAY ALSO NOT BE OUT
OF THE QUESTION.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES EAST
NORTHEAST OF DUBUQUE IOWA TO 40 MILES SOUTHEAST OF KIRKSVILLE
MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

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 349...

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 29040.


...KERR