![]() ![]() ![]() An advantage of using a attenuation-based retrieval is its immunity to partial beam blockage and calibration errors in reflectivity and differential reflectivity. Three different hybrid polarimetric rainfall retrievals were used, along with attenuation-based retrieval that employs the radar-observed differential propagation. The KHGX precipitation estimates were then compared with the HCFWS gauges. Rain gauge data from the Harris County Flood Warning System (HCFWS) was used for validation with the full radar dataset to retrieve daily and event-total precipitation estimates for the period 25–29 August 2017. The WSR-88D radar (KHGX) maintained operations for the entirety of the event. Left in its wake was historic flooding, with some locations measuring more than 60 in. Please note that a previous report of 51.88 inches on Cedar Bayou near Highlands, Texas has been taken off the books by NWS Houston due to this gauge and several others being flooded or being impacted by high winds, which hinder the capability of gauges capturing the true rainfall amounts.Hurricane Harvey hit the Texas Gulf Coast as a major hurricane on 25 August 2017 before exiting the state as a tropical storm on 29 August 2017.
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