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Storm hazard · NOAA Storm Events Database

Marine Tropical Storm in the United States

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

650
Events recorded
49
Fatalities
$0
Property damage
2
States affected

How dangerous are Marine Tropical Storm events in the U.S.?

NOAA's Storm Events Database has catalogued 650 marine tropical storm events across 2 states and territories between 2015 and 2025. The cumulative human toll is 49 fatalities and 0 injuries, and the financial footprint reaches $0 in combined property ($0) and crop ($0) damage. On a per-fatality basis this places marine tropical storm events at a high severity tier relative to other tracked hazard types in the NOAA catalog.

Geographic exposure skews toward a small cluster of frequently-hit states. The three states absorbing the largest share of events are GU (358 events, 49 fatalities), AT (292 events, 0 fatalities), a mix of underlying hazard climatology and how many people live in the exposed corridor.

Annual totals swing noticeably from year to year. The peak year on record was 2020, logging 153 events and $0 in property damage in a single calendar year. The most recent year in the dataset is 2025 with 36 events recorded. Across the full 10-year window, annual event counts reflect seasonal climate cycles and, for some years, longer climate-driven shifts in frequency.

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.

Marine Tropical Storm by State

# State EventsFatalitiesProperty Damage
1 Guam GU 358 49 $0
2 AT 292 0 $0

Marine Tropical Storm by Year

Year Events Fatalities Injuries Property Damage
2025 36 0 0 $0
2024 74 0 0 $0
2023 42 0 0 $0
2022 90 40 0 $0
2021 101 9 0 $0
2020 153 0 0 $0
2019 37 0 0 $0
2018 42 0 0 $0
2017 62 0 0 $0
2016 13 0 0 $0

Frequently Asked Questions

How many marine tropical storm events have occurred in the US?
The NOAA Storm Events Database has recorded 650 marine tropical storm events across 2 states from 2015 to 2025. These events caused 49 fatalities and 0 injuries.
Which states are most affected by marine tropical storm events?
The states most affected by marine tropical storm include GU (358 events), AT (292 events). These three states account for a significant share of all recorded marine tropical storm incidents in the US.
How much damage do marine tropical storm events cause?
Marine Tropical Storm events have caused an estimated $0 in combined property and crop damage from 2015 to 2025. Property damage alone accounts for $0, with crop damage at $0.
What year had the most marine tropical storm events?
The year with the most recorded marine tropical storm events was 2020, with 153 events resulting in 0 fatalities and $0 in property damage.
How dangerous are marine tropical storm events?
Marine Tropical Storm events have a high severity rating based on 49 fatalities and 0 injuries recorded from 2015 to 2025 across 2 states. Preparedness and early warning systems are critical for reducing risk.

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

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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.