Tag Archives: Tropical Storm Harvey

Harvey Now Driving Catastrophic Flooding Across Houston Metropolitan Region

(For media statement, click here)

Michael Young, senior director – Product Management, RMS

Hurricane Harvey is now driving catastrophic flooding across the entire Houston Metropolitan region. The behavior of the storm is almost without precedent, and Harvey has already broken all U.S. records for tropical cyclone-driven extreme rainfall with observed cumulative amounts of 51 inches (129 centimeters) – far exceeding Allison in 2001, along with Claudette in 1979, and Amelia in 1978, not only in volume but also regional extent.

While we will continue to refine our modeling parameters for the Category 4 wind and storm surge that Harvey generated on Saturday, our clear focus is now on the inundation of Houston, the fourth largest city in the U.S. The storm has achieved a paradigm shift, and we have mobilized all our capabilities to apply the tools, data and processes developed for the RMS U.S. High Definition (HD) Flood Model to provide insights to the extent and severity of the flooding, with Houston as our top priority.

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