2,076 first-hand accounts of flood events in Louisiana, ranked by impact. Each is a NOAA-written narrative of the moment.
A slowing cold front interacted with deep tropical moisture on December 10th across southeast Louisiana and caused prolonged periods of heavy rainfall mainly across the city of Slidell.
Read the full account →A frontal boundary that stalled across southeast Louisiana and southern Mississippi on September 2nd, slowly lifted northward through the day on September 3rd. Abundant moisture in place south of the boundary provided enough lift for showers and thunderstorms to develop.
Read the full account →Hurricane Katrina was one of the strongest and most destructive hurricanes on record to impact the coast of the United States. It will likely be recorded as one the worst natural disaster in the history of the United States to date resulting in catastrophic damage and numerous…
Read the full account →Hurricane Katrina was one of the strongest and most destructive hurricanes on record to impact the coast of the United States. It will likely be recorded as one the worst natural disaster in the history of the United States to date resulting in catastrophic damage and numerous…
Read the full account →Hurricane Katrina was one of the strongest and most destructive hurricanes on record to impact the coast of the United States. It will likely be recorded as one the worst natural disaster in the history of the United States to date resulting in catastrophic damage and numerous…
Read the full account →Hurricane Katrina was one of the strongest and most destructive hurricanes on record to impact the coast of the United States. It will likely be recorded as one the worst natural disaster in the history of the United States to date resulting in catastrophic damage and numerous…
Read the full account →Isaac entered the Gulf of Mexico as a tropical storm on August 26, moving northwest after crossing Haiti, Cuba and the Florida Straits. Isaac strengthened into a hurricane on the morning of the 28th when it was 75 miles south-southeast of the mouth of the Mississippi River.
Read the full account →In the overnight hours on May 17th into the early morning on May 18th, a cluster of slow moving severe thunderstorms associated with a weak mid-level disturbance drifted east across southeastern Louisiana.
Read the full account →In the morning hours on July 20th, 2021, slow moving thunderstorms developed overnight ,one specific cluster formed over the Northshore that led to significant flooding, with areas of flooding elsewhere from developing clusters of thunderstorms through the morning hours.
Read the full account →Hurricane Rita produced extensive storm surge flooding across coastal areas of southern Terrebonne, southern Lafourche, and southern Jefferson Parishes where numerous homes and businesses were flooded.
Read the full account →A ongoing rainy pattern that had been in place for a week or more continued on August 9th. The seabreeze boundary on the south side of Lake Ponchartrain became the focus for thunderstorms to develop around the New Orleans Metro.
Read the full account →A typical summertime convective pattern was in place with high moisture and weak steering currents. Much of the convection was determined by mesoscale boundaries, which set up over New Orleans.
Read the full account →In the morning hours on July 20th, 2021, slow moving thunderstorms developed overnight ,one specific cluster formed over the Northshore that led to significant flooding, with areas of flooding elsewhere from developing clusters of thunderstorms through the morning hours.
Read the full account →Tropical Storm Nicholas made landfall on the Texas coast south of Houston early Tuesday morning on September 14th. Over the next 24 hours, the weakening storm slowly tracked east-northeast along the coastline, reaching the LA/TX border Wednesday morning.
Read the full account →As a cold front approached the local area from the west, the environment became primed for thunderstorms to develop with warmth and instability increasing. Storms that developed ahead of the front had little mid level flow to give them much movement.
Read the full account →In the evening hours on July 27th, 2021, a disorganized cluster of showers and storms along a southward surging outflow boundary pushed heavy thunderstorms into portions of southern and southeastern Louisiana.
Read the full account →A slow moving low pressure system brought widespread showers and thunderstorms to the area. The system tapped into deep tropical moisture resulting in very intense rainfall across a large portion of the area.
Read the full account →Isaac entered the Gulf of Mexico as a tropical storm on August 26, moving northwest after crossing Haiti, Cuba and the Florida Straits. Isaac strengthened into a hurricane on the morning of the 28th when it was 75 miles south-southeast of the mouth of the Mississippi River.
Read the full account →A stalled frontal boundary along with multiple impulses aloft lead to an extended duration of rain, thunderstorms, and even a couple tornadoes. Massive flooding occurred along the Mermentau River where rainfall totals exceeded one foot at some locations during the event.
Read the full account →A stalled frontal boundary along with multiple impulses aloft lead to an extended duration of rain, thunderstorms, and even a couple tornadoes. Massive flooding occurred along the Mermentau River where rainfall totals exceeded one foot at some locations during the event.
Read the full account →Hurricane Rita produced extensive storm surge flooding across coastal areas of southern Terrebonne, southern Lafourche, and southern Jefferson Parishes where numerous homes and businesses were flooded.
Read the full account →The flood of 2011 had its birth around the end of March when heavy rainfall of 2 to 5 inches fell across Arkansas, Southeast Missouri, and the Ohio River Valley.
Read the full account →Isaac entered the Gulf of Mexico as a tropical storm on August 26, moving northwest after crossing Haiti, Cuba and the Florida Straits. Isaac strengthened into a hurricane on the morning of the 28th when it was 75 miles south-southeast of the mouth of the Mississippi River.
Read the full account →In the morning hours on July 20th, 2021, slow moving thunderstorms developed overnight ,one specific cluster formed over the Northshore that led to significant flooding, with areas of flooding elsewhere from developing clusters of thunderstorms through the morning hours.
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