Bancroft Flood Warning

BULLETIN

Ministry of Natural Resources

Flood Warning

Bancroft District

NEWS

Thursday, April 10, 2014

(5:00 pm)

The Ministry of Natural Resources - Bancroft District is advising area residents that a Flood

Warning is in effect in the District.

Residents of Bancroft District should take necessary action to protect property and monitor

developing conditions closely. People are asked to stay away from fast-moving rivers and

streams.

MNR is closely monitoring the weather and developing watershed conditions. Further

updates will be issued as appropriate.

TECHNICAL INFORMATION

Description of Weather System

This message is being sent on the basis of information received from MNR - Surface Water

Monitoring Centre, MNR - Aviation Forest Fire and Emergency Management Services, Trent

Severn Waterway and Environment Canada.

Warmer temperatures are expected to continue over the next five days with daytime highs of

+10 degrees C with the potential for 15mm of rain Thursday through Friday. We are

monitoring a large weather system that is set to move in to the province Saturday evening

and remain over the weekend and into early next week. If the storm hits our region as is

currently forecasted, we could receive 50+mm of rain from Saturday night through Monday

with a five day precipitation total of 80-100mm.

Description of Current Conditions

Although some of the snowpack has melted over the last week, a significant amount of snow

is still present. There is a snow water equivalent in the snowpack of approximately 115-

120mm. Mild temperatures combined with the significant forecasted rainfall will rapidly melt

the remaining snow and will quickly increase water levels and flow velocities in local rivers

and streams. Smaller streams and creeks are expected to respond quickly to the additional

runoff, but larger water bodies, including the reservoir lakes, will take longer to react.

Municipalities and residents should closely monitor low lying and flood prone areas

along the Burnt, Irondale, Gull, and Black Rivers as well as the York and Madawaska

Rivers.

 

These water bodies are expected to respond quickly to the rapidly melting snow and

forecast rainfall. Additional water accumulation in areas adjacent to watercourses, road

 

ditches and areas with poor drainage will occur. Road overtopping is possible in some

 

locations. With the combination of double digit temperatures, forecasted precipitation and

 

remaining ice cover on local lakes and rivers, there is the potential for ice jams to form which

 

could contribute to elevated water levels and flooding.

 

The water levels of the reservoir lakes are rising at a slow rate. Trent-Severn Waterway

 

(TSW) officials advise that the winter drawdown of the lakes has created significant storage

 

capacity and currently there are no flooding concerns for lake shoreline areas. TSW staff

 

assess the situation daily and undertake dam operations as required. The MNR and the

 

TSW continue to closely monitor local lakes and rivers as the freshet progresses.

 

The MNR is in regular communication with partner agencies, including Conservation

 

Authorities, Ontario Power Generation (OPG) and the TSW.

 

Expiry Date:

This message will expire on Monday, April 14 2014, 12:00 PM

Terminology: Notification Levels

WATERSHED CONDITIONS STATEMENT - FLOOD OUTLOOK: gives early notice of the

potential for flooding based on weather forecasts calling for heavy rain, snow melt, high

winds or other conditions

WATERSHED CONDITIONS STATEMENT

WATER SAFETY: indicates that high flows,

melting ice or other factors could be dangerous for such users as boaters, anglers and

 

swimmers but flooding is not expected.

 

FLOOD WATCH: potential for flooding exists within specific watercourses and municipalities

 

FLOOD WARNING: flooding is imminent or occurring within specific watercourses and

 

municipalities.

 

 

Contact Information

For more information please contact:

MNR Bancroft District Office

Paul Shalla, A/IRM Technical Specialist, Bancroft District, 613-332-3940 x208

MNR Minden Field Office

Kris Windover, IRM Technical Specialist, Minden Field Office, Bancroft District, 705-286-

5207

A close watch on local conditions and weather forecasts from Environment Canada is

recommended. Environment Canada bulletins can be found at

 

 

http://weather.gc.ca/

 

 

The Surface Water Monitoring Centre public webpage can be found here:

www.ontario.ca/flooding

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Randy Ross

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