Special Weather Statements for Ontario



AWCN12 CWTO 192223
Weather summary for Northern Ontario issued by
Environment Canada at 6:22 PM EDT Wednesday 19 June 2013.

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==weather event discussion==

Eighth tornado of the season confirmed in Ontario.

Environment Canada has confirmed the occurrence of the 8th tornado
Of the season in Ontario based upon photographic evidence. The
Photos were taken in Beaver Lake, 46 km southwest of Sudbury, at 
approximately 6:50 PM on Sunday June 16th. They show a weak funnel 
cloud rotating and briefly reaching the ground.

There have been no reports of damage from this tornado. Thus, it
Is being classified as a low end ef-0 with maximum wind speeds at
The ground just reaching 90 km/h.

This is the eighth tornado of the season in Ontario. On average,
12 tornadoes are verified each year in Ontario during a season
That runs from late April until early October.

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Location                  event description

Beaver Lake              brief ef-0 tornado
                     Circulation extending to ground
                      Captured in a series of photos
                      No significant damage observed


This weather summary contains preliminary information and may not 
constitute an official or final report.

END/OSPC





ACCN10 CWTO 192020
Forecast of thunderstorm potential for the province of Ontario
Issued by Environment Canada at 3:38 PM EDT Wednesday 19 June 2013. 
The next statement will be issued at 4.00 AM Thursday.
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Forecast of thunderstorm potential.

Tonight..Isolated non-severe thunderstorms with brief downpours are 
likely over Northwestern Ontario and in regions north of Lake
Superior to James Bay. Some of them may briefly approach severe 
limits over Northwestern Ontario this evening. Hail and strong winds 
are the main issues.

Thursday..A few thunderstorms are likely over Northwestern Ontario. 
There is a slight risk that some of these storms, especially near the 
Minnesota border, could be severe with large hail, damaging winds, 
and torrential downpours being the main threats. Isolated non-severe 
thunderstorms are possible over Northeastern Ontario.

Friday..A few thunderstorms are likely over Northwestern Ontario. 
There is a slight risk that some of these storms could be severe
With torrential downpours, large hail, and damaging winds being the 
main threats. Isolated non-severe thunderstorms are possible over 
Northeastern Ontario.

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A thunderstorm is defined as severe if it produces one or more of the 
following:

 - wind gusts of 90 km/h or greater.
 - hail of 2 centimetres in diameter or greater.
 - rainfall amounts of 50 millimetres or greater in one hour or less.
 - a tornado.

Note: this forecast is issued twice daily from May 1 to September 30.

END/OSPC