

346 

WWUS20 KWNS 292327

SEL7

SPC WW 292327

IAZ000-MNZ000-NEZ000-SDZ000-300700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 247

NWS STORM PREDICTION CENTER NORMAN OK

625 PM CDT WED MAY 29 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  WESTERN IOWA

  SOUTHWESTERN MINNESOTA

  EASTERN NEBRASKA

  SOUTHEASTERN SOUTH DAKOTA



* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 625 PM

  UNTIL 200 AM CDT.



* PRIMARY THREATS INCLUDE...

  A FEW TORNADOES POSSIBLE

  SEVERAL DAMAGING WIND GUSTS LIKELY WITH A FEW SIGNIFICANT GUSTS

    TO 80 MPH POSSIBLE

  SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHEAST OF

BROOKINGS SOUTH DAKOTA TO 20 MILES SOUTH SOUTHWEST OF BEATRICE

NEBRASKA.  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 239...WW 240...WW

241...WW 242...WW 243...WW 244...WW 245...WW 246...



DISCUSSION...AIDED BY FAVORABLE LARGE-SCALE FORCING FOR UPWARD

VERTICAL MOTION...VIGOROUS CONVECTIVE DEVELOPMENT IS EXPECTED TO

CONTINUE SPREADING NORTH NORTHEASTWARD THROUGH THE MID MISSOURI

VALLEY AREA THIS EVENING.  COINCIDING WITH SOUTHERLY LOW-LEVEL

INTENSIFICATION TO 50-60 KT...THE RISK FOR STRONG SURFACE GUSTS

PROBABLY WILL INCREASE...ALONG WITH A CONTINUING RISK FOR TORNADOES

AND SEVERE HAIL...AT LEAST INTO THE 05-07Z TIME FRAME.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 25040.





...KERR

