SEVERE WEATHER ALERT — 07:38 PM EDT Jul 23 2011
This is an automated alert of potentially severe weather conditions for portions of western and southwestern Ontario, from Ephemerata Weather Radar. See attached scan image.

The alert triggered at 07:38 PM EDT on Jul 23 2011, from radar data analyzed
from NWS radar site KDTX in Detroit, MI, operating in Short Range Composite Reflectivity (NCR), VCP mode 12.

This alert was issued because radar echo returns exceeding 60 dbZ have been detected in the alert zone. The maximum detected radar echo level in this alert was equal to or greater than: 65 dbZ. These values are an indication of possible severe weather occuring or developing within the alert scan zone:

*** “8″ to 16″/hr very heavy rain: marble size to golf ball sized hail possible”

and may include extremely strong storm winds and tornadic activity. Go to
http://radar.ephemerata.ca for current radar views of the alert zones and monitor official weather reports to assess your personal risk.

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