Flooding Texas: House Elevation Contractor Texas
Houston is battling to recover from devastating flooding caused by Hurricane Harvey, a category four storm which dumped a record breaking amount of rain on the city. The rainfall in Texas set a new record for the continental US, the National Weather Service has said. A rain gauge in Cedar Bayou recorded 51.88 inches of rain from Friday August 25th to Wednesday August 30th.
The cost of reconstruction in Houston could be as high as $200 billion. At least 50,000 homes are flooded in the Houston area alone. At its peak, a third of Harris County, part of the Houston metropolitan area and home to 4.6 million people, was underwater – an area 15 times the size of Manhattan.
Harvey’s extreme slow movement Aug. 26-30 kept a fire hose of moisture pointed into southeast Texas and Louisiana for days, resulting in catastrophic flooding. Numerous flash flood emergencies were issued for the Houston and Beaumont, Texas, metropolitan areas, and for Bastrop County and nearby communities.
The areal coverage of locations picking up at least 20 inches of rain was greater than the state of West Virginia, while the 40-inch-plus zone was larger than Delaware. The top rainfall total was60.58 inches in Nederland, Texas. Incredibly, a second site, Groves, Texas, also topped the record book by receiving more than 60 inches during that same time. Both of these topped the previous tropical cyclone rainfall record.
Pending final confirmation, this rainfall total would be the heaviest from any tropical cyclone in the U.S. in records dating to 1950, topping the 48-inch storm total in Medina, Texas, from Tropical Storm Amelia in 1978, according to research byNOAA/WPC meteorologist David Roth.
Serious flooding also occurred southwest of Houston along the Brazos, Colorado and Guadalupe Rivers.
In total, 19 National Weather Service river gauges had observed record flooding as of Aug. 31.
This wasn’t just a story in Texas and Louisiana, either. According to hurricane researcher Brenden Moses, Harvey wasamong the wettest tropical cyclones on record in Kentucky, Tennessee and Arkansas.
Harvey had also spawned numerous brief tornadoes in southeast Texas, Louisiana, Alabama, Mississippi, Tennessee and North Carolina. Harvey is one of the most prolific tornado producers for a tropical cyclone, but the true number of tornadoes produced by Harvey may never be known. Many tornadoes tracked near or through floodwaters and many may have crossed paths.
Storms like Harvey are helped by one of the consequences of climate change: As the air warms, some of that heat is absorbed by the ocean, which in turn raises the temperature of the sea’s upper layers.
Harvey benefited from unusually toasty waters in the Gulf of Mexico. As the storm roared toward Houston, sea-surface waters near Texas rose tobetween 2.7 and 7.2 degrees Fahrenheit above average. These waters were some ofthe hottest spots of ocean surface in the world. The tropical storm, feeding off this unusual warmth, was able to progress from a tropical depression to a category-four hurricane in roughly 48 hours.
“This is the main fuel for the storm,” says Kevin Trenberth, a senior scientist at the U.S. National Center for Atmospheric Research. “Although these storms occur naturally, the storm is apt to be more intense, maybe a bit bigger, longer-lasting, and with much heavier rainfalls [because of that ocean heat].”
This also suggests an explanation for one of Harvey’s strangest and scariest behaviors. The storm intensified up until the moment of landfall, achieving category-four strength hours before it slammed into the Texas coast. This is not only rare for tropical cyclones in the western Gulf of Mexico: It may be unique. In the past 30 years of records,no storms west of Florida have intensified in the last 12 hours before landfall.
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