WWUS20 KWNS 022345
SEL4
SPC WW 022345
IAZ000-MOZ000-030400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 464
NWS STORM PREDICTION CENTER NORMAN OK
645 PM CDT SUN AUG 2 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  SOUTHERN IOWA
  NORTHERN MISSOURI

* EFFECTIVE THIS SUNDAY EVENING FROM 645 PM UNTIL 1100 PM CDT.

* PRIMARY THREATS INCLUDE...
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
    INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  A TORNADO OR TWO POSSIBLE

SUMMARY...SCATTERED SEVERE THUNDERSTORMS...INCLUDING A COUPLE
SUPERCELLS CAPABLE OF LARGE HAIL...LOCALLY DAMAGING WIND...AND
POSSIBLY A TORNADO OR TWO...EXPECTED TO PERSIST THROUGH LATE EVENING
ALONG AND JUST AHEAD OF SLOWLY-MOVING WSW-ENE COLD FRONT.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 115
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES EAST
NORTHEAST OF DES MOINES IOWA TO 30 MILES SOUTH SOUTHEAST OF
LAMONI IOWA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

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 462...WW 463...

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 34020.


...CORFIDI