![]() The data layer itself is called 'Ida_NE_fooprint_DATA.tif'. These events have been rapidly simulated with no event calibration or validation therefore significant uncertainties will exist in the data. ![]() The event magnitude can be considered as unprecedented, with the largest recorded flows on multiple river gauges with records going back more than 100 years. Please note, that this data cannot be used for commercial use*. ![]() To download the data file free of charge for your own internal analysis, please contact us. ![]() We would like to share this event footprint with you as you may find it of interest. As ever, there is more uncertainty with the pluvial coverage away from the main rivers as we don't have detailed information about exactly how the rain fell, as we used 24-hour rainfall accumulations for the analysis. coastline.įathom have created an event footprint for the mid-Atlantic precipitation event using simulations based on observed rainfall accumulations from NOAA and river gauges from the USGS. On Wednesday 1st September intense precipitation affected cities along the mid-Atlantic U.S. Maximum sustained wind speeds were estimated to be 150 mph (240 km/hr) producing coastal storm surge and wind damage along the northern Gulf Coast. Hurricane Ida made landfall near Port Fourchon, Louisiana as a Category 4 major hurricane at 16:55 UTC (11:55 local time) on Sunday, August 29.
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