

595 

WWUS20 KWNS 141641

SEL7

SPC WW 141641

ILZ000-INZ000-MIZ000-MOZ000-LMZ000-142300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 417

NWS STORM PREDICTION CENTER NORMAN OK

1145 AM CDT MON JUL 14 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  CENTRAL AND NORTHEAST ILLINOIS

  CENTRAL AND NORTHERN INDIANA

  SOUTHERN LOWER MICHIGAN

  EAST CENTRAL MISSOURI

  LAKE MICHIGAN



* EFFECTIVE THIS MONDAY MORNING AND EVENING FROM 1145 AM UNTIL

  600 PM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY

  SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTHWEST

OF FORT LEONARD WOOD MISSOURI TO 55 MILES EAST SOUTHEAST OF SOUTH

BEND INDIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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.



&&



DISCUSSION...THUNDERSTORMS WILL CONTINUE TO INTENSIFY ALONG A COLD

FRONT EXTENDING FROM NORTHERN MO INTO NORTHEAST IL...WITH ACTIVITY

SPREADING ACROSS THE WATCH AREA THROUGH THE AFTERNOON.  STRONG WINDS

ALOFT AND STEEP LOW LEVEL LAPSE RATES WILL PROMOTE A RISK OF

DAMAGING WINDS AND HAIL IN THE STRONGER STORMS.



AVIATION...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 450. MEAN STORM

MOTION VECTOR 30035.





...HART

