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Storm hazard · NOAA Storm Events Database

Tropical Depression in the United States

National statistics for tropical depression events from the NOAA Storm Events Database (2015–2025): how often they occur, where they hit hardest, and the human and property toll.

264
Events recorded
7
Fatalities
$20.5M
Property damage
12
States affected

How dangerous are Tropical Depression events in the U.S.?

NOAA's Storm Events Database has catalogued 264 tropical depression events across 12 states and territories between 2015 and 2025. The cumulative human toll is 7 fatalities and 3 injuries, and the financial footprint reaches $21.5M in combined property ($20.5M) and crop ($1.0M) damage. On a per-fatality basis this places tropical depression events at a moderate severity tier relative to other tracked hazard types in the NOAA catalog.

The geographic footprint is uneven across the country. The three states absorbing the largest share of events are FL (138 events, 6 fatalities), SC (31 events, 1 fatalities), MS (28 events, 0 fatalities), largely a function of local terrain and settlement patterns rather than any single cause. At the other end, states such as TX, CT, NC report far fewer events, a sign of lower exposure, though absence of a recorded event is not proof of zero risk.

Year-over-year trends reveal the event's volatility. The peak year on record was 2022, logging 44 events and $0 in property damage in a single calendar year. The most recent year in the dataset is 2025 with 6 events recorded. Across the full 11-year window, annual event counts reflect ordinary seasonal variability more than any clear multi-year trend.

How to interpret this data

NOAA storm event data is filed by local National Weather Service forecast offices, so reporting intensity can vary by jurisdiction and should be interpreted alongside FEMA disaster declarations for a fuller picture.

For household and business preparedness, this state-and-year view should be paired with local-level FEMA National Risk Index ratings, flood-zone maps where applicable, and up-to-date NWS watch/warning information, population exposure and asset value matter as much as raw event frequency for estimating real-world risk.

Tropical Depression by State

# State EventsFatalitiesProperty Damage
1 Florida FL 138 6 $16.0M
2 South Carolina SC 31 1 $0
3 Mississippi MS 28 0 $581.0K
4 Georgia GA 24 0 $3.2M
5 Alabama AL 18 0 $30.0K
6 Guam GU 11 0 $0
7 Maine ME 3 0 $0
8 Louisiana LA 3 0 $150.0K
9 Arkansas AR 3 0 $81.0K
10 Texas TX 2 0 $502.0K
11 Connecticut CT 2 0 $0
12 North Carolina NC 1 0 $20.0K

Tropical Depression by Year

Year Events Fatalities Injuries Property Damage
2025 6 0 0 $0
2024 36 0 0 $10.0K
2023 13 0 0 $20.0K
2022 44 0 2 $0
2021 31 0 0 $152.0K
2020 38 0 0 $426.0K
2019 26 4 0 $0
2018 37 0 0 $264.0K
2017 17 1 1 $3.2M
2016 12 2 0 $16.0M
2015 4 0 0 $502.0K

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Frequently Asked Questions

How many tropical depression events have occurred in the US?
The NOAA Storm Events Database has recorded 264 tropical depression events across 12 states from 2015 to 2025. These events caused 7 fatalities and 3 injuries.
Which states are most affected by tropical depression events?
The states most affected by tropical depression include FL (138 events), SC (31 events), MS (28 events). These three states account for a significant share of all recorded tropical depression incidents in the US.
How much damage do tropical depression events cause?
Tropical Depression events have caused an estimated $21.5M in combined property and crop damage from 2015 to 2025. Property damage alone accounts for $20.5M, with crop damage at $1.0M.
What year had the most tropical depression events?
The year with the most recorded tropical depression events was 2022, with 44 events resulting in 0 fatalities and $0 in property damage.
How dangerous are tropical depression events?
Tropical Depression events have a moderate severity rating based on 7 fatalities and 3 injuries recorded from 2015 to 2025 across 12 states. Preparedness and early warning systems are critical for reducing risk.
Which states have the fewest tropical depression events?
The states with the fewest tropical depression events include TX (2 events), CT (2 events), NC (1 events). Geographic and climatic factors largely determine regional vulnerability to this hazard type.

Source: NOAA NCEI Storm Events Database (2015-2025) NOAA NCEI Storm Events Database (2015-2025) For informational purposes only

Read our methodology - how this data is sourced, computed, and verified.

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Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. This page draws directly on FEMA federal disaster data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, or report a data error.