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Harvey went from a tropical depression to a major hurricane and intensified rapidly to a category 4 hurricane with winds up to 130 mph. It made a landfall on August 25, 2017 at about 22:00 local time (August 26, 2017 3:00 UTC) near Rockport, Texas.
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USGS — Hurricane Harvey
US Naval Research Laboratory, Marine Meteorology — Track of Harvey
US Naval Research Laboratory, Marine Meteorology — Track of Harvey as KML
National Oceanic and Atmospheric Administration, National Hurricane Center — TROPICAL STORM HARVEY
PowerPoint Presentation ¶
Miscellaneous Contributions ¶
The records for one of the Kawlake array sites is shown here.
All 3 components show a large 5s wave, which is largest when Harvey is in
shallow water, (see fig. 2). The data was recorded on Sigma 4 recorders from
the Seismic Source Company in Ponca City, OK. The 3 components (Z, H1, H2)
time series for 10 minute records with 2ms sampling and their respective
amplitude spectra are displayed in figures 3, 4, and 5.
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