

673 

WWUS20 KWNS 300354

SEL0

SPC WW 300354

IAZ000-ILZ000-WIZ000-300900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 370

NWS STORM PREDICTION CENTER NORMAN OK

1055 PM CDT SUN JUN 29 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  EXTREME EAST CENTRAL IOWA

  NORTHERN ILLINOIS

  SOUTHERN WISCONSIN



* EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1055 PM

  UNTIL 400 AM CDT.



* PRIMARY THREATS INCLUDE...

  A FEW TORNADOES AND A COUPLE INTENSE TORNADOES POSSIBLE

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 50 MILES EAST NORTHEAST OF

JANESVILLE WISCONSIN TO 30 MILES SOUTH SOUTHWEST OF DUBUQUE IOWA.

 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 367...WW 368...WW 369...



DISCUSSION...STORM CLUSTERS WITH EMBEDDED SUPERCELLS WILL PERSIST

FOR A FEW MORE HOURS IN AN ENVIRONMENT SUPPORTIVE OF A SUPERCELL

TORNADO RISK...GIVEN RICH MOISTURE...MODERATE-STRONG

INSTABILITY...AND SUFFICIENTLY STRONG VERTICAL SHEAR.



AVIATION...TORNADOES AND 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 27030.





...THOMPSON

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