Special Event: 2017 Storm Harvey

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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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Quick Links

USGSHurricane Harvey
US Naval Research Laboratory, Marine MeteorologyTrack of Harvey
US Naval Research Laboratory, Marine MeteorologyTrack of Harvey as KML
National Oceanic and Atmospheric Administration, National Hurricane CenterTROPICAL STORM HARVEY

Harvey’s path/wind speed and selected seismic station locations (IRIS)

 Path/wind speed of Harvey
[IRIS] Path/wind speed of Harvey (data from https://www.nrlmry.navy.mil) and location of selected seismic stations








SeisSound movie Harvey at station Kenedy, Texas N4.735B.LHZ. (Zhigang Peng, Georgia Tech)





N4.735B waveforms 2017-08-24 12:00:00 UTC to 2017-08-28 12:00:00 UTC (Jon Tytell and the ANF)

V4.735B waveform
[Jon Tytell and ANF] N4.735B waveforms between 2017-08-24 12:00:00 UTC and 2017-08-28 12:00:00 UTC.
Channels from top to bottom: BDF (infrasound microphone, relative barometric pressure),
BDO (absolute barometric pressure), LDM (absolute barometric pressure in hPa),
BHZ (Broadband Seismometer Vertical ground velocity)








N4.735B interpreted spectrogram of Hurricane Harvey using N4 station 735B (Robert Anthony, USGS, Albuquerque Seismological Laboratory)

interpreted spectrogram of Hurricane Harvey using N4 station 735B
[Robert Anthony, USGS] Acceleration spectrogram for the vertical component of 735B (Kenedy, TX, USA)
from 18 August to 29 August 2017 (UTC). Power Spectral Density (PSD; rel. 1 (m/s2)2/Hz) estimates were
attained using the IRIS Noise Tool Kit (NTK) using 2-hour windows with 50% overlap and 1/16th octave smoothing.
Peak ground acceleration between 0.2-0.5 Hz exceeds the New High Noise Model (Peterson, 1993) by ~ 10 dB.
Significant earthquakes (M > 6.0) are noted in white text on the spectrogram.








N4.735B..LHZ waveform 2017-08-25 00:00:00 UTC to 2017-08-30 00:00:00 UTC (Zhigang Peng, Georgia Tech)

N4.735B..LHZ waveform
[Zhigang Peng] N4.735B..LHZ waveform 2017-08-25 00:00:00 UTC to 2017-08-30 00:00:00 UTC
Plot link via IRIS
Data link via IRIS
Station information from IRIS








PowerPoint update on Hurricane Harvey (Zhigang Peng, Georgia Tech)

Zhigang Peng PowerPoint Update
Zhigang Peng PowerPoint Update on Hurricane Harvey

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