Archive | May 7, 2017

Rain and Flooding in Ottawa

Palm Warbler

After one of the wettest Aprils on record, both the Ottawa and Gatineau Rivers have burst their banks, causing extensive flooding that has affected hundreds of homes on both sides of the provincial border. A combination of snow melt flowing into the Ottawa River through its various tributaries and the high volume of rainfall this spring caused the water to rise faster than could be controlled by engineers at the various dams along the river. The Ottawa River is the highest it has been in decades, and neither I nor the long-time birders here have seen anything like it.

This month alone (now only seven days old) has seen over 100 mm of rain, with 45mm rain on May 1st, 40mm on Friday, and 20 mm yesterday. In the 24-hour period between Saturday afternoon and Sunday afternoon, the Ottawa River rose 17cm, and, according to the Ottawa River Regulation Planning Board, is expected to rise a further 5cm before its peak on Monday. A state of emergency has been declared in Gatineau, where the Canadian Forces was on hand to help police reach difficult to access areas. On the Ontario side, Cumberland and Constance Bay were the two areas affected most, followed by Britannia, Dunrobin, Fitzroy Harbour and MacLarens Landing.

Continue reading

Advertisements