URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 321 NWS STORM PREDICTION CENTER NORMAN OK 155 PM EDT WED JUN 18 2014
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHERN INDIANA CENTRAL AND SOUTHERN LOWER MICHIGAN NORTHWEST OHIO LAKE ERIE
* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 155 PM UNTIL 900 PM EDT.
* PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES NORTHEAST OF FLINT MICHIGAN TO 70 MILES WEST SOUTHWEST OF TOLEDO OHIO. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
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.
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DISCUSSION...A QLCS WITH EMBEDDED BOWING STRUCTURES SHOULD CONTINUE TO INTENSIFY AS IT MOVES EAST AND SOUTHEAST ACROSS THE WATCH AREA THIS AFTERNOON. DAMAGING WINDS WILL BE THE PRIMARY HAZARD...THOUGH ISOLATED OCCURRENCES OF LARGE HAIL ARE ALSO POSSIBLE.
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 500. MEAN STORM MOTION VECTOR 27035.
BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 321 NWS STORM PREDICTION CENTER NORMAN OK 155 PM EDT WED JUN 18 2014
SEVERE THUNDERSTORM WATCH 321 IS IN EFFECT UNTIL 900 PM EDT FOR THE FOLLOWING LOCATIONS
BARRY BRANCH CALHOUN CASS CLINTON EATON GENESEE HILLSDALE INGHAM JACKSON KALAMAZOO LAPEER LENAWEE LIVINGSTON MACOMB MONROE OAKLAND SHIAWASSEE ST. CLAIR ST. JOSEPH WASHTENAW WAYNE