For, and In This World, Calgary, High River, Alberta, Canada, The Absolute Necessity of Being Prepared,

The absolute necessity of being prepared: sensibly supplied, well maintained, home, vehicle, and personal disaster/emergency kits/ has once again been driven home to the people of Alberta, the High River, Calgary areas, Canada, and hopefully the world.
Survival is NOT an adventure. Survival is NOT a TV Reality series. Survival is NOT a weekend excursion into the "Boonies". Survival IS REAL. 
Other trained media reporters, medical, and emergency personnel, have covered the whole scenario much better than I could ever hope to. I will just provide some important (in my opinion) links.

Alberta flood recovery could take 10 years, says premier.

http://globalnews.ca/news/667720/alberta-flooding-health-precautions-to-take-when-returning-home/

Stay away from High River, warns mayor.

Man caught with knife wanted to find his dog, say RCMP.

Stay home on Tuesday, city officials advise.

Partial reopening of downtown core streets resulted in traffic mess on Monday

Other Disaster Emergency Kits.

The Vehicle Emergency Kit.

The Home Emergency Kit.