Hurricane HARVEY Aerial Imagery Response. USGS field crews collected 2,123 FEMA requested time-perishable high-water marks, updated water-level records and Harvey inundation maps, which are key materials that will be used by state and local resource managers.
Rainfall totals of 3 to 8 inches and 8 to more than 15 inches were...High-water marks provide valuable data for understanding recent and historical flood events. Maps show Hurricane Harvey flooding is worse than you thought. As Harvey moved inland, the forward motion of the storm slowed down and produced tremendous rainfall amounts over southeastern Texas, with 8-day rainfall amounts exceeding 60 inches in some locations,...The passage of Hurricane Matthew across the central and eastern regions of North Carolina and South Carolina during October 7–9, 2016, resulted in heavy rainfall that caused major flooding in parts of the eastern Piedmont in North Carolina and coastal regions of both States. Not only were rainfall totals exceptional during Hurricane Harvey, the area affected was also larger than previous events.In the immediate aftermath of Harvey, the USGS and FEMA initiated a study to evaluate the magnitude of flooding, determine the probability of future occurrence and map the extent of the flooding in Texas. Hurricane Harvey was the most significant rainfall event in U.S. history, both in scope and peak rainfall amounts, since records began in the 1880s. This probability is also referred to as a 500-year flood. Instructions. The map will automatically zoom to and place a … This map from NOAA shows aerial views of the damage done by Harvey, flooded areas are indicated with blue. A24, 47 p., http://dx.doi.org/10.3133/tm3A24. USGS hydrologic technician Brandon Cooper flags a debris line on a telephone pole approximately 14.3 feet above the ground and located about 245 feet east of the bridge on Keith Road over Boggy Creek on September 15, 2017. The occurrence of Hurricane Harvey and the devastating flooding that resulted have inspired discussion and concern regarding our county’s drainage infrastructure, as well as our collective ability to withstand such a severe flooding event.
Simply put, we have never seen a storm like Harvey. Nineteen inundation maps and detailed flood information from Hurricane Harvey are now available from the U.S. Geological Survey, in cooperation with the Federal Emergency Management Agency. Use the search box in the upper-right corner to find an address or look up a business, neighborhood, or other place by name.
The second largest rainfall event recorded in continental U.S. history was during Tropical Storm Amelia in 1978, which left Texas Hill Country with 48 inches of rain. The data and records will assist officials in updating building codes, planning evacuation routes, creating floodplain management ordinances, providing environmental assessments and planning other community efforts to become more flood-resilient.Record streamflow was measured at 40 USGS streamgages in Texas that have been in operation at least 15 years.
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