Tropical Depression
NOAA Storm Events type · 552 records since 2007 · 17 states and territories
The National Weather Service defines tropical depression as: "A tropical cyclone in which the 1-minute sustained wind speed is 33 knots (38 mph), or less." NOAA's Storm Events Database holds 552 tropical depression records from 2007 through June 30, 2026, the most in Florida (143), with 8 deaths recorded.
How the National Weather Service files tropical depression
A tropical cyclone in which the 1-minute sustained wind speed is 33 knots (38 mph), or less. A Tropical Depression should be included as an entry when these conditions are experienced in the WFO’s CWA. The tropical depression number will be included in the narrative section.
National Weather Service Instruction 10-1605, Storm Data Preparation (July 26, 2021), Appendix A, entry 48
Source: National Weather Service Instruction 10-1605. Read the instruction (PDF).
Tropical Depression, 2007 to 2026
Records per year (2026 to June 30, 2026).
- recorded, no damage figure
- under $10 million
- $10 million or more
- $100 million or more
- $1 billion or more, or 100 deaths
- $10 billion or more, or 1,000 deaths
- a year's colour: its recorded damage or deaths
- a year with a death
- Records
- 5522007 to June 30, 2026
- Deaths
- 85 injuries
- Damage, 2025 dollars
- $86Mas filed (scale steps before 1993)
- Counties with a record
- 266of 3,266
Source: NOAA NCEI Storm Events Database, records through June 30, 2026. Search the record at NCEI.
Where do tropical depression records happen?
States
Counties
Source: NOAA NCEI Storm Events Database (forecast-zone records count on every county the zone covers).
When do tropical depression records happen?
70% of its tropical depression records since 2007 fell in August and September. The busiest month is August.
The values, month by month
Jan 0 · Feb 0 · Mar 0 · Apr 0 · May 25 · Jun 11 · Jul 23 · Aug 207 · Sep 182 · Oct 44 · Nov 58 · Dec 2 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began.
The deadliest tropical depression records
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2019-09-02 | Tropical DepressionOrange County, FL · forecast zone Orange In Orange County, wind gusts to minimal tropical storm force occurred in squalls throughout much of the county from approximately 1800LST September 3 to 1100LST September 4. However, there were three indirect hurricane-related fatalities that occurred on September 2 during the evacuation and preparedness phases of the ... | 3 | 0 | – | |
| 2019-09-03 | Tropical DepressionOsceola County, FL · forecast zone Osceola Sustained winds and wind gusts experienced from Dorian in Osceola County were below tropical storm force. An indirect hurricane-related fatality occurred on September 4 at 0627LST when an 86-year-old man collapsed at a hurricane evacuation shelter in Kissimmee and was taken to a hospital, where he died. | 1 | 0 | – | |
| 2017-09-11 | Tropical DepressionJasper County, SC · forecast zone Jasper Jasper County Emergency Management reported multiple trees down across the county due to strong winds associated with Hurricane Irma. One 87 year old male died 10 days after his car ran into a tree that had fallen across Highway 278 near Yemassee. | 1 | 0 | – | |
| 2016-10-07 | Tropical DepressionSeminole County, FL · forecast zone Seminole As major Hurricane Matthew passed east of the Space Coast during the morning of October 7, winds gusted to tropical storm force for over 12 hours across Seminole County. One death was directly related to the hurricane. An 86-year old man in Casselberry was struck by a door that swung open during the storm. He later ... | 1 | 0 | $18M | |
| 2016-10-07 | Tropical DepressionOrange County, FL · forecast zone Orange As major Hurricane Matthew passed east of the Space Coast during the morning of October 7, winds gusted to tropical storm force for over 12 hours across Orange County. One death was indirectly related to the hurricane. A 70-year old woman died after her medical device failed during a power outage. | 1 | 0 | – | |
| 2008-08-23 | Tropical DepressionElmore County, AL · forecast zone Elmore Tropical Storm Fay weakened to a Tropical Depression after it made its final landfall on the Florida Panhandle and entered Southern Alabama. In Central Alabama, the highest sustained wind of 35 mph, and highest gust of 49 mph, were both recorded at Montgomery. Storm total rainfall ranged from 2.48 inches near Guin ... | 1 | 0 | $7K |
Source: NOAA NCEI Storm Events Database, deaths direct and indirect as filed.
The most recent tropical depression records
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2025-08-07 | Tropical DepressionNorthern Islands Municipality and 3 more, MP · forecast zone Northern Marianas | 0 | 0 | – | |
| 2025-07-24 | Tropical DepressionRota Municipality, MP · forecast zone Rota | 0 | 0 | – | |
| 2025-07-24 | Tropical DepressionSaipan Municipality, MP · forecast zone Saipan | 0 | 0 | – | |
| 2022-11-11 | Tropical DepressionBeaufort County, SC · forecast zone Beaufort | 0 | 1 | – | |
| 2022-09-27 | Tropical DepressionMiami-Dade County, FL · forecast zone Inland Miami-Dade | 0 | 0 | $504K | |
| 2019-09-03 | Tropical DepressionOsceola County, FL · forecast zone Osceola | 1 | 0 | – | |
| 2019-09-02 | Tropical DepressionOrange County, FL · forecast zone Orange | 3 | 0 | – | |
| 2017-09-11 | Tropical DepressionJasper County, SC · forecast zone Jasper | 1 | 0 | – |
Source: NOAA NCEI Storm Events Database.