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Temperature 13 High 25 Tonight 9
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Also just a reminder that you can see a live shot from atop the hill at 18th Street any time using the live eBrandon webcam situated at Grand Valley Church. It should give a half decent idea of where progress on the dike is at and it looks like the river is now becoming pretty visible itself. The image is updated once per minute and posted on the weather page at https://www.ebrandon.ca/weather.aspx or you can view a larger version of the same image any time at https://www.ebrandon.ca/weather_camimage.aspx
At the link below, the Provincial media release from last night regarding the potential for structural failure at the Rivers dam. The Little Saskatchewan river downstream from the dam of course eventually meets the Assiniboine River West of Brandon. Effected residents downstream are to be notified via their municipalities to have destinations in mind if a precautionary evacuation is deemed necessary... hence the evacuation preparation notice distributed to Brandon residents in low-lying areas yesterday: https://news.gov.mb.ca/news/?archive=&item=48548
Manitoba Hydrologic Forecast Centre report has 18th Street at 1.68 feet higher than yesterday: https://gov.mb.ca/mit/floodinfo/floodoutlook/forecast_centre/morning_condition_reports/2020/20200702-Assiniboine%20River.pdf Note that the readings they show on this sheet daily are at 18th as opposed to the 1st St readings that the City has been sharing. 1177.19ft at 18th is more than 11 feet below the dike elevation at 18th of 1188.25 that is indicated on the sheet at the link above.
A late addition to the gallery... taken within about the last half hour. Dont imagine it will be long before driving into Dinsdale is a non-starter:
More information on Rivers and the strain the system there is under at the link below. Infrastructure Minister is calling this a 1 in 1000 year flood event... https://www.cbc.ca/news/canada/manitoba/riverdale-manitoba-flooding-rivers-dam-1.5634928
Update from the City of Brandon this afternoon at the link below. I'll summarize links before posting, but please read full link to be as informed as possible. - filling of the gap in the 18th/Grand Valley dike is complete - level at 1st street at noon measured 1174.5 ft. Forecast peak calls for levels as high as 1177 ft - city has closed access to Queen Elizabeth and Dinsdale Parks as a public safety measure. Barricades in place. - the potential for flash flooding in the Assiniboine River Valley, in particular relating to the Little Saskatchewan River and concerns around the Rivers dam, is being monitored Full link, please read: https://www.brandon.ca/public-notices-details?var=5937
Severe thunderstorm passing through the area tonight. Though Brandon did see some intimidating gusts at the front, a negligible amount of rain (unofficially less than 1mm at two separate gauges) and the strangest orange sky I think I've ever seen, Rivers, Rapid City and so much of that Little Sask basin area looked to be more directly in line. Rivers I’m told had a good solid rain for around a half hour with one observer telling me based on eye test it didn’t seem to compare to recent rains. Second separate observer near the dam caught 1/2 inch (or a little more than 10mm) in rain gauge. Rapid City also directly in path, one rain gauge just outside of town picking up less than 10mm. Was coming sideways and only one gauge but encouraging sign that maybe not as bad as it looked on radar as much as anything more than 0mm isn’t welcome right now. Hoping for the best as far as official rainfall totals and any wind damage to vulnerable shallow rooted trees for all of you folks upstream.
For a visual on yesterday morning vs today, see images below. Slightly different angle and different lighting but the points of reference are there. Level readings when released will put numbers to it...
Our team continues to monitor the potential for flash flooding in the Assiniboine River Valley should the Rivers Dam fail. In such an event, worst-case peak levels in #BdnMb would be similar to those seen in the spring of 2011 - which would be below top of our dike system. (2/3)— City of Brandon (@CityBrandon) July 3, 2020
Our team continues to monitor the potential for flash flooding in the Assiniboine River Valley should the Rivers Dam fail. In such an event, worst-case peak levels in #BdnMb would be similar to those seen in the spring of 2011 - which would be below top of our dike system. (2/3)
An emergency alert sent out by the province through The Weather Network at 3:29 p.m. for the RM of Cornwallis says that the Rivers dam could fail within 24 hours. However, we have confirmed with a provincial spokesperson that the alert was a test message — dam's status unchanged.— The Brandon Sun (@thebrandonsun) July 3, 2020
An emergency alert sent out by the province through The Weather Network at 3:29 p.m. for the RM of Cornwallis says that the Rivers dam could fail within 24 hours. However, we have confirmed with a provincial spokesperson that the alert was a test message — dam's status unchanged.
From City Brandon river level readings, the Assiniboine was down another about 10 inches just after 9am compared to the last reading at 1st Street: http://opengov.brandon.ca/catalog.php?dataset=riverlevel Via Sun story below, levels at the lake at Rivers and the Little Sask continue to drop even after this morning’s storm: https://www.brandonsun.com/local/Water-levels-continue-to-fall-despite-storm-571629241.html
Via the Sun, Province worked On the dam at Rivers on Saturday. Full analysis of the structure’s integrity coming this week: https://www.brandonsun.com/local/Province-completes-tests-on-Rivers-dam-571737461.html River level this morning in Brandon at 1st St was at 1166 feet... more than 8 feet below the peak earlier this month: http://opengov.brandon.ca/catalog.php?dataset=riverlevel
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