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Opinion | Houston’s Mayor Was Right to Not Evacuate

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After Hurricane Rita, I served on a governor’s commission that studied what went wrong in the evacuation. In 2005, I headed a regional task force that held hearings for hundreds of hours, for nearly a year. The work of that commission became the basis for new evacuation plans that proved reasonably effective for the Hurricane Ike evacuation in 2008. I can tell you from that experience, any attempt to evacuate Houston ahead of Tropical Storm Harvey would have made the situation much worse and almost certainly resulted in more deaths.

I narrowly lost in a runoff to Mr. Turner in the December 2015 mayoral race. While he and I certainly have our political and policy differences, the current suggestion in the news media that he should have called for an evacuation of Houston is absurd.

Attempting to evacuate areas that might be affected by localized flooding because of rainfall is an entirely different problem from evacuating areas in danger of flooding by storm surge, the rise in seawater level caused by a storm’s winds pushing water onshore. We can predict with reasonable accuracy what areas will be flooded by storm surge based on the forecast and elevations. But flooding from rainfall is highly unpredictable and variable based on the dynamics of each particular rain event. Rarely will we know days in advance which areas will be flooded.

An evacuation of the entire city is a logistical impossibility. There is simply not enough roadway, gasoline in inventory or facilities in nearby cities to transport and house 2.3 million evacuees. Any such misguided attempt would have resulted in the same disaster we saw with Hurricane Rita, with thousands of disabled cars on the freeways and hundreds of thousands trapped on the road in the weather conditions we now endure.

While we do not have any hard numbers yet, my guess is that we will eventually learn that something less than 10 percent of the homes in the Houston region have been flooded by this storm. Had a general evacuation been called, 90 percent of the people would have evacuated for no reason.

Once the rains have passed and the waters have receded, there are plenty of legitimate questions that need to be asked about whether our regions are prepared for this kind of localized flooding. What plans were in place for high-water rescues? Why weren’t more rescue boats and high-water vehicles positioned, especially considering that we had several days’ warning that catastrophic rainfall was headed our direction?

Why were volunteer rescue organizations not activated earlier? Why are we having 100-year and 500-year floods every few years? Why, in this age of virtual networks, is our 911 system not expandable to handle a spike in calls? Why are we still licensing nursing homes in flood-prone areas? How is it that such a facility gets inundated with several feet of water and local officials learn about it on social media?

We should, and must, ask these questions at the appropriate time so that we do better next time. And trust me, there will be a next time. But second-guessing or speculating that Mayor Turner and other local officials should have called for mandatory evacuations is nonsense and betrays a fundamental ignorance of evacuation dynamics.

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