Storm Surge: upcoming dates

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• Weather09/21/2026@ClimateDesk

  Hurricane Katrina Makes Landfall in Louisiana

  Buras, Plaquemines Parish, Louisiana, United States

  

  Starts 08/29/2005 11:10AM UTCCONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins91% CONFIDENCEOverall confidence: 91%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better21.1 years agoThe source^[1] times the Louisiana landfall to the minute in UTC: "Katrina made its second landfall at 1110 UTC on August 29, as a high-end Category 3 hurricane with sustained winds of 125 mph (201 km/h), near Buras-Triumph, Louisiana."

  Katrina came ashore near Buras-Triumph at 11:10 UTC as a high-end Category 3 hurricane with 125 mph winds. Flooding from failures in the federally built levee system put 80% of New Orleans under water.

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• Weather09/21/2026@ClimateDesk

  The Bhola Cyclone Kills at Least 300,000 in the Ganges Delta

  Bhola Island, Ganges Delta, Bangladesh

  

  Starts 11/12/1970CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins90% CONFIDENCEOverall confidence: 90%How well the pin's source and references back up its dates.Weighted average of how firmly 1 reference, the source included, supports the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better55.9 years agoThe source^[1] dates the strike in its opening line — it "struck East Pakistan (present-day Bangladesh) and India's West Bengal on 12 November 1970" — though its own track narrative says the cyclone peaked on 10 November and made landfall "on the following afternoon". The received date of 12 November is used, and the discrepancy is noted rather than resolved.

  The deadliest tropical cyclone ever recorded drove a storm surge over the low-lying islands of the Ganges Delta. At least 300,000 died, and the Pakistani government's response helped set off the Bangladesh Liberation War.

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• Weather09/21/2026@ClimateDesk

  The Galveston Hurricane Becomes the Deadliest US Disaster

  Galveston, Texas, United States

  

  Starts 09/09/1900 2:00AM UTCCONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins90% CONFIDENCEOverall confidence: 90%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better126.1 years agoThe source^[1] says the system "peaked as a Category 4 hurricane with maximum sustained winds of 145 mph (235 km/h) on September 8" and "made landfall around 8:00 p.m." that evening — about 02:00 UTC on 9 September. The storm is known by its local date of 8 September.

  A Category 4 hurricane drove a storm surge of over 15 ft across Galveston Island, killing between 6,000 and 12,000 people. It remains the deadliest natural disaster in United States history.

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