

289 

WWUS20 KWNS 301657

SEL0

SPC WW 301657

IAZ000-MNZ000-WIZ000-310000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 250

NWS STORM PREDICTION CENTER NORMAN OK

1200 PM CDT THU MAY 30 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  FAR NORTHEAST IOWA

  FAR SOUTHEAST MINNESOTA

  WESTERN AND CENTRAL WISCONSIN



* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM NOON UNTIL

  700 PM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTH SOUTHWEST OF

LONEROCK WISCONSIN TO 50 MILES WEST NORTHWEST OF RHINELANDER

WISCONSIN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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.



&&



DISCUSSION...TSTMS ARE EXPECTED TO INCREASE IN COVERAGE AND

INTENSITY ACROSS THE WATCH AREA THIS AFTERNOON AS LARGE-SCALE

FORCING STRENGTHENS AHEAD OF MIDLEVEL TROUGH.  GIVEN THE COMBINATION

OF A MOIST...MODERATELY UNSTABLE AIR MASS AND MODERATELY STRONG

DEEP-LAYER SHEAR...THE POTENTIAL WILL EXIST FOR ORGANIZED STORMS

INCLUDING SUPERCELLS AND BOWS WITH A RISK FOR MAINLY DAMAGING WINDS

AND A FEW TORNADOES.



AVIATION...TORNADOES AND 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 19030.





...MEAD

