From The Weather Channel: Rainfall from Harvey Could Reach 50 Inches in Spots, Highest Ever Recorded in Texas; Catastrophic Flooding to Continue for Days.
As of early Monday morning, flash flood emergencies remained in effect for 11 southeast Texas counties, according to the National Weather Service in Houston.
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Through early Monday, parts of the southeast Houston metro area had received more than 30 inches of rain since Thursday evening.
The average rainfall within the Harris County Emergency Management network has exceeded that of Tropical Storm Allison (2001) in almost half of the time (2 to 3 days versus 5 days).
The most rain from an Atlantic tropical cyclone or its remnants is 48 inches from Tropical Storm Amelia in 1978.
Record flooding has occurred, and the flooding has rivaled what occurred in Tropical Storm Allison (2001) in some areas. Reports from the Harris County Flood Control District (HCFCD) and the National Weather Service include:
- Water levels on Cypress Creek near Interstate 45 will possibly top the levee by Monday morning, according to the National Weather Service. Residents in this area are encouraged to seek higher ground. The creek has already topped a record crest from 1949 near Westfield and from 1994 near Cypress.
- Spring Creek near Spring along the Harris/Montgomery County line, was expected to rise to the level that would top the Northgate Levee at Interstate 45 by over a foot Monday, also shattering a record from October 1994.
- Record flooding in Harris County has been observed at Brays Bayou, Upper Buffalo Bayou, Horsepen Creek, Little Cedar Bayou, Willow Spring Bayou, Armand Bayou, Turkey Creek, Beamer Ditch, Berry Bayou.
- Buffalo Bayou at Piney Point Village has already crushed a previous record from 1992 by over 6 feet and may crest over 12 feet above the record by Tuesday or Wednesday. The bayou has also topped a previous record from 1983 at West Belt Drive, expected to rise another 3 feet, there.
- Little Vince Bayou in the Houston suburb of Pasadena had reportedly equaled the level it reached during Tropical Storm Allison in 2001 early Sunday morning.
- The level of Clear Creek in Friendswood, Texas, exceeded what was experienced there during Allison by three feet Sunday afternoon.
- Devastating flooding was occurring on the middle and lower Clear Creek.
- Thousands of water rescues have occurred due to flooding in Harris County.
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