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Saffir gave the proposed scale to the NHC for their use, where Simpson changed the terminology from "grade" to "category", organized them by sustained wind speeds of 1 minute duration, and added storm surge height ranges, adding barometric pressure ranges later on. In 1975, the Saffir-Simpson Scale was first published publicly.
The lowest classification on the SSHWS is a Category 1 hurricane, which has winds of between 64 and 82 kn (74 and 94 mph; 119 and 152 km/h). [1] [3] Should the hurricane intensify further then it will be rated as a Category 2 hurricane, if it has winds of between 83 and 95 kn (96 and 109 mph; 154 and 176 km/h).
Storm surge is an above-normal rise in seawater along the coast caused by a tropical storm or hurricane and exceeding normal astronomical tides. ... Katrina's storm surge flooding was between 25 ...
This scale can be used to determine possible storm surge and damage impact on land. In most basins, the category of the tropical cyclone (for example, tropical depression, tropical storm, hurricane/typhoon, super typhoon, depression, deep depression, intense tropical cyclone) is determined from the cyclone's maximum sustained wind over one minute.
But the storm could reach the level of a hypothetical Category 6 − and further stir debate about whether the National Hurricane Center’s long-used scale for classifying hurricane wind speeds ...
Example of a SLOSH run A summary of strengths and limitations of SLOSH. Sea, Lake, and Overland Surge from Hurricanes (SLOSH) is a computerized model developed by the Federal Emergency Management Agency (FEMA), United States Army Corps of Engineers (USACE), and the National Weather Service (NWS), to estimate storm surge depths resulting from historical, hypothetical, or predicted hurricanes. [1]
The National Hurricane Center has increased the peak storm surge forecast from 8-12 feet to 10-15 feet of inundation for the area from Anclote River to Tampa Bay. This increased severity is ...
While many of these storms form in the Atlantic basin, some systems or their remnants move through Mexico from the Eastern Pacific basin. The average storm total rainfall for a tropical cyclone impacting the lower 48 from the Atlantic basin is about 16 inches (410 mm), with 70–75 percent of the storm total falling within a 24-hour period.