WOCN10 CWTO 251757 GENERAL WEATHER STATEMENT ISSUED BY ENVIRONMENT CANADA. REGIONAL CENTRE TORONTO ONTARIO. 1.57 PM EDT THURSDAY 25 MAY 2000. SEVERE WEATHER SUMMARY FOR WEDNESDAY MAY 24TH OVER EASTERN ONTARIO. THUNDERSTORMS WERE REPORTED OVER MANY PARTS OF ONTARIO WEDNESDAY AFTERNOON. THERE WAS A POTENTIAL FOR SOME OF THEM TO BECOME SEVERE IN SOUTHWESTERN AND EASTERN ONTARIO SO SEVERE THUNDERSTORM WATCHES WERE ISSUED NEAR MID DAY. BY THE AFTERNOON THE THUNDERSTORMS STARTED TO DEVELOP AND A NUMBER OF WARNINGS WERE ISSUED FOR EASTERN ONTARIO REGIONS. SOME OF THE REPORTS THAT THIS OFFICE HAS RECEIVED INCLUDE: HAIL - A FEW REPORTS OF PEA SIZE HAIL - 2 CENTIMETRE HAIL IN ORLEANS AND 2.5 CENTIMETRE HAIL NEAR STIRLING. THERE WERE ALSO STRONG WINDS AND HAIL REPORTED IN THE PETERBOROUGH AREA. WIND GUSTS OF 85 KM/H WERE REPORTED AT THE OTTAWA AIRPORT. THERE WAS SUBSTANTIAL DAMAGE DUE TO WINDS IN THE GLOUCESTER AREA EAST OF OTTAWA WEDNESDAY EVENING. TREES WERE SEVERELY DAMAGED AND UPROOTED.. SOME HOMES AND APARTMENT BUILDINGS EXPERIENCED ROOF DAMAGE. ENVIRONMENT CANADA INVESTIGATED THE DAMAGE SITE AND EVIDENCE SUGGESTS STRAIGHT LINE WINDS..HAIL AND A BRIEF TORNADO TOUCHDOWN WITH THIS EVENT. ESTIMATED MAXIMUM WINDSPEED WAS IN THE 120-150 KM/H RANGE. END/ELB