Hurricane Delta
One of the tropical cyclone disasters on NOAA’s billion-dollar list: $3.5 billion in losses at 2024 prices ($2.9 billion at the time) and 5 deaths.
What the offices filed during it
The 21 most significant tropical cyclone episodes filed in these dates, colored by kind.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Losses, 2024 dollars
- $3.5 billion
- Losses at the time
- $2.9 billion
- Deaths
- 5
The losses and deaths are NCEI’s, counting everything the disaster did. The episodes below are only what the Weather Service filed in its Storm Events record, which counts damage differently and often not at all, so the two never add up and are shown apart.
By state, as filed
| State | Events | Deaths | Injuries | Damage filed |
|---|---|---|---|---|
| Louisiana | 87 | 4 | 7 | $3.3 billion |
| Texas | 27 | 0 | 0 | $100 million |
| Mississippi | 20 | 0 | 2 | $5.7 million |
| Georgia | 47 | 0 | 2 | $1.3 million |
| South Carolina | 3 | 0 | 1 | $200,000 |
| Arkansas | 3 | 0 | 0 | $80,000 |
| North Carolina | 1 | 0 | 0 | $60,000 |
| Virginia | 23 | 0 | 0 | |
| Alabama | 3 | 0 | 0 | |
| Washington | 1 | 0 | 0 | |
| Florida | 1 | 0 | 0 |
Episode by episode
- Storm Surge in Texas, October 8 to 10, 2020As Hurricane Delta moved northward across the Gulf of Mexico in early October, outgoing swell propagated into the lower Texas coastal waters on October 8th through the 10th.
- Coastal Flood in Texas, October 8 to 10, 2020Long period swells generated by Hurricane Delta over the northwest Gulf of Mexico impacted the coastal regions of the Middle Texas coast from the evening of October 8th until the morning of October 10th.
- Tropical Storm and Coastal Flood in Texas, October 8 to 9, 2020Delta made landfall along the southwest Louisiana coast but produced tropical storm force winds across parts of Southeast Texas. Delta also produced high surf and elevated tides leading to mainly minor coastal flooding along Gulf facing beaches and around Galveston Bay.
- Tropical Storm and Storm Surge in Louisiana, October 8 to 10, 2020Delta first developed into a tropical depression in the Caribbean just south of Jamaica on the afternoon of October 4th. As it tracked across the western Caribbean, it rapidly intensified into a Category 4 hurricane.
- Hurricane and Tropical Storm in Louisiana, October 9 to 10, 2020A tropical wave moved into the Caribbean in early October and became a tropical depression by the 5th. The system quickly gained strength and obtained category 4 status before shear weakened it back to a category 2.
- Hurricane and Tropical Storm in Texas, October 9, 2020A tropical wave moved into the Caribbean in early October and became a tropical depression by the 5th. The system quickly gained strength and obtained category 4 status before shear weakened it back to a category 2.
- Tropical Storm and Flash Flooding in Louisiana, October 9 to 10, 2020Hurricane Delta tracked north northwest across the Western Carribean Sea as a major hurricane, having rapidly strengthened from a tropical depression to a Category 4 hurricane in just over 36 hours, the fastest intensification rate on record.
- Tornado and Tropical Storm in Mississippi, October 9 to 10, 2020Hurricane Delta made landfall along the southwest Louisiana Gulf Coast around 5:00 p.m. CDT on October 9th and moved to the northeast across southwest and central Mississippi.
- Tropical Storm and Flash Flood in Louisiana, October 9 to 10, 2020Hurricane Delta made landfall along the southwest Louisiana Gulf Coast around 5:00 p.m. CDT on October 9th and moved to the northeast across portions of central and northeast Louisiana.
- Tropical Storm and Storm Surge in Mississippi, October 9 to 10, 2020Delta first developed into a tropical depression in the Caribbean just south of Jamaica on the afternoon of October 4th. As it tracked across the western Caribbean, it rapidly intensified into a Category 4 hurricane.
- Tropical Depression in Arkansas, October 10, 2020Hurricane Delta made landfall along the southwest Louisiana Gulf Coast around 5:00 p.m. CDT on October 9th and moved to the northeast across portions of northeast Louisiana and western Mississippi.
- Tornado and Damaging Wind in Alabama, October 10, 2020A severe thunderstorm produced wind damage a brief tornado in Mobile County.
- Tropical Storm in Arkansas, October 10, 2020Strong winds brought down trees and powerlines in southeast Arkansas.
- Tornado in Washington, October 10, 2020A weak tornado, with estimated wind speeds of 90 MPH occurred near Neilton in Grays Harbor County, WA. The damage was limited to trees across Moclips Highway and a nearby forest service road.
- Flash Flood in Florida, October 10, 2020Slow moving and training thunderstorms along a cold front resulted in flash flooding across part of the western Florida Panhandle.
- Tornadoes and Flash Flooding in Georgia, October 10 to 11, 2020During the afternoon and evening of October 10th, as the remnants of Hurricane Delta passed northwest of Georgia, moisture from the Gulf of Mexico spread across the area.
- Tornado in Alabama, October 10, 2020On the afternoon of October 10, 2020, Tropical Depression Delta and its remnants moved northeastward through Mississippi and Central Tennessee, becoming Post-Tropical Cyclone Delta by 4 PM Central Daylight Time. The outer bands from Delta moved eastward through Central Alabama.
- Flash Flooding and Flooding in Georgia, October 11, 2020Heavy rain developed across northeast Georgia throughout the 10th and into the early morning of the 11th as the remnants of Tropical Cyclone Delta drifted from the Deep South into the Tennessee Valley.
- Heavy Rain in Virginia, October 11 to 12, 2020Post Tropical Cyclone Delta tracking east northeast across the Middle Atlantic region produced heavy rain across portions of central and eastern Virginia.
- Tornadoes in South Carolina, October 11, 2020The remnants of tropical system Delta spawned several tornadoes and strong thunderstorms.
- Tornado in North Carolina, October 11, 2020The remnants of tropical system Delta spawned several tornadoes and strong thunderstorms.
More
Every billion-dollar disasterEvery storm of 2020The 2020 hurricane seasonTornadoes in 2020
Sources
NOAA NCEI, U.S. Billion-Dollar Weather and Climate Disasters (2025), https://doi.org/10.25921/stkw-7w73, and the Storm Events Database for the episodes.