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CRCA ISSUES WATERSHED CONDITIONS STATEMENT – FLOOD OUTLOOK

CRCA ISSUES WATERSHED CONDITIONS STATEMENT – FLOOD OUTLOOK
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KINGSTON – The Cataraqui Region Conservation Authority (CRCA) has issued a Watershed Conditions Statement – Flood Outlook today.

Environment Canada is forecasting a significant rainfall event for Eastern Ontario, including the CRCA region, with 50 – 100 mm of rain expected.  Special Weather Statements have been issued for:

Kingston – Prince Edward https://weather.gc.ca/warnings/report_e.html?on26,

South Frontenac https://weather.gc.ca/warnings/report_e.html?on44, and

Brockville – Leeds and Grenville https://weather.gc.ca/warnings/report_e.html?on10,

indicating the following (paraphrased text, see links above for the latest full details):

‘Significant rainfall expected Sunday into Monday, with over 50 mm in 24 hours possible in many areas. Storm totals may in fact reach 75 to 100 mm by the time it tapers off during the day Monday.

There is some uncertainty as to how far west the heaviest rain will get on Sunday and Sunday night. However, confidence is quite high that a large part of Eastern Ontario will receive significant rainfall.

Warnings will likely be required as this event draws closer.

Gusty westerly winds are likely Monday in the wake of this weather system.

Environment Canada is closely monitoring this situation. Rainfall warnings may be required.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ec.cpio-tempetes-ospc-storms.ec@canada.ca or tweet reports using #ONStorm.’

Impacts from this amount of rain, over what weather forecasts are indicating will be about a 24 to 36-hour period, will begin in urban areas where overwhelmed drainage infrastructure can result in considerable roadway ponding, etc. Urban creeks will rise quickly in response to the expected rainfall.

Most creeks across the CRCA region are below normal for this time of year which will assist in accommodating runoff from this storm. However, if the higher rainfall amounts do occur there is potential for localized flooding of low-lying areas adjacent to creeks.

Widespread flooding is NOT expected as a result of the coming rainfall.

CRCA staff will continue to monitor conditions, forecasts, and update statements as needed.

This Watershed Conditions Statement will remain in effect until Friday, November 3, 2017.

For up to date flooding information, please visit the CRCA’s flood forecasting and information page at www.crca.ca/flood.

 

 

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