Abstract
We report here on the observation and offline detection of the meteotsunami off the New Jersey coast on June 13, 2013, using coastal radar systems and tide gauges. This work extends the previous observations of tsunamis originating in Japan and Indonesia. The radars observed the meteotsunami 23 km offshore, 47 min before it arrived at the coast. Subsequent observations showed it moving onshore. The neighboring tide gauge height reading provides confirmation of the radar observations near the shore.
Highlights
An unusual storm system moved eastward across the country on June 13, 2013, commonly called a ‘‘derecho’’, and appears to have launched a meteotsunami that impacted the US East Coast
We report here on the observation and offline detection of the meteotsunami off the New Jersey coast on June 13, 2013, using coastal radar systems and tide gauges
No tsunami signature was observed in the parallel component
Summary
An unusual storm system moved eastward across the country on June 13, 2013, commonly called a ‘‘derecho’’, and appears to have launched a meteotsunami that impacted the US East Coast. Meteotsunamis occur frequently in the Mediterranean region (Adriatic, Aegean, and Black Seas) The existence of the meteotsunami was confirmed by several of the 30 tide gauges along the East Coast up through New England and was seen as far away as Puerto Rico and Bermuda. A NOAA DART buoy was triggered by the event, as well as another bottom-pressure sensorof-opportunity in the region, a Sonardyne bottom-pressure recording (Hammond 2013). All of these outputs give a measure of the meteotsunami height
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