St. Catharines, Ontario 



                                 WEATHER WARNING
            WWCN13 CWTO 192138 
            SEVERE THUNDERSTORM WATCH 
            UPDATED BY ENVIRONMENT CANADA. REGIONAL CENTRE TORONTO ONTARIO. 
            5.38 PM EDT TUESDAY 19 MAY 1998. 

            SEVERE THUNDERSTORM WATCH ISSUED FOR.. 
            TORONTO 
            NIAGARA 
            HAMILTON-WENTWORTH 
            HALTON-PEEL 
            YORK-DURHAM. 

            SEVERE THUNDERSTORM WATCH CONTINUED FOR.. 
            ELGIN 
            SARNIA-LAMBTON 
            BRANTFORD-HALDIMAND-NORFOLK 
            LONDON-MIDDLESEX-OXFORD 
            WATERLOO-WELLINGTON-DUFFERIN 
            HURON-PERTH 
            SOUTHERN GREY-BRUCE. 

            THUNDERSTORMS HAVE DEVELOPED OVER LAKE HURON AND A LARGE PART 
            OF SOUTHERN ONTARIO. THERE HAS BEEN A REPORT OF GOLF BALL SIZED 
            HAIL FROM A WATCHER IN OAKVILLE LATE THIS AFTERNOON FROM A 
            THUNDERSTORM. 

            CONDITIONS WILL BE FAVOURABLE FOR SOME OF THE THUNDERSTORMS 
            TO BECOME SEVERE FOR THE NEXT FEW HOURS THIS EVENING. THE 
            THUNDERSTORMS ARE CAPABLE OF PRODUCING HAIL UP TO 4 CM IN 
            DIAMETER..WIND GUSTS OF 100 KM/H..INTENSE LIGHTNING AND 
            TORRENTIAL DOWNPOURS. 

            THIS IS AN ALERT TO THE POTENTIAL DEVELOPMENT OF SEVERE 
            THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS. 

            MONITOR WEATHER CONDITIONS..LISTEN FOR UPDATED STATEMENTS. 
            IF THREATENING WEATHER APPROACHES TAKE IMMEDIATE SAFETY 
            PRECAUTIONS. 

            THIS WATCH IS IN EFFECT UNTIL 11.30 PM. 

            END/1/KUHN