Tag Archives: storm tide

Winter Coastal Storms – a Dangerous Mix of Hazards

The winter storm hitting us right now is a reminder of how coastal flooding and winter storms can mix and bring a dangerous combination of hazards.  While the winds in this storm are substantially weaker (good news) than the Blizzard … Continue reading

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Hurricane Sandy Storm Surge Map Animations

Hurricane Sandy was a wild beast, with a powerful high pressure system, a hurricane, a nor’easter and a high tide all meeting simultaneously to cause the highest flood in NYC history.  As a result the peak flood height was poorly … Continue reading

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Sandy We’re in Misery: Storm Recap

Now that Sandy has moved on, and some of us are lucky enough to have power and be getting back to “normal life”, I’m finally writing to recap what happened with the coastal flooding and how the forecasts compared to … Continue reading

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Updated Forecasts from SSWS and ET-Surge

Our Stevens Storm Surge Warning System have been predicting flood elevations about a foot below the observations, so take this as a low-end estimate, but here are those predictions.  Also plotted are NOAA’s ET-SURGE predictions, which have a similar estimated peak water … Continue reading

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What Height to Expect from this Evening’s Deluge

We are looking at a coastal flood around New York City region tonight that is nearly certain to be record-breaking.  The morning flood at The Battery and other nearby locations was close to the flood elevation of Irene, and only … Continue reading

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Dangerous, Likely Recordbreaking Surge Coming to NYC

Sandy’s storm surge for New York Harbor is almost definitely going to be worse than Irene’s, and it is likely to cause several feet higher flooding.  There is a good chance (about 50%) that flood elevations at Manhattan and nearby … Continue reading

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Sandy’s Storm Surge Forecast Interpretation: Steady and Not Good

The forecasts are gradually steadying for the storm surge flood elevations for Sandy, but strong uncertainty exists because the timing of the flood relative to high tide can make all the difference … The “central forecast” for the storm is … Continue reading

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