Parts of the Texas Gulf Coast are experiencing their heaviest rainfall event since Hurricane Harvey. A dangerous deluge dumping rainfall at rates approaching 4 to 6 inches per hour in spots. The rains are from slow-moving thunderstorms associated with tropical depression Imelda, which made landfall Tuesday as a weak tropical storm.Wednesday marks day two of a three-day drenching that has the Houston and Galveston metro areas squarely in its sights, the latest in several seemingly routine hundred-year rain events to plague the region in recent years. Flash-flood watches blanket the map, and the Weather Prediction Center in Maryland has declared the region to be at “high risk” for excessive rainfall. Through daybreak Wednesday, Houston had dodged most of the heaviest rain bands, while Galveston — the coastal city 45 miles to the southeast — has been clobbered by repetitive rounds of squalls all morning - with rainfall totals topping 8 inches. Radar-estimated rain totals of 13 to 15 inches had been observed along the Matagorda coast near Freeport, where Imelda — the super-soaked depression spurring the inundations — made landfall Tuesday afternoon.
Link to article:
https://www.washingtonpost.com/weather/2019/09/18/texas-gulf-coast-experiencing-life-threatening-flash-flooding-tropical-depression-imelda/
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