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Flood Advisory
Cabo Rojo, PR; Hormigueros, PR; Maricao, PR; Mayaguez, PR; Sabana Grande, PR; San German, PR
Heat Advisory
San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Central Interior; Ponce and Vicinity; Northwest; Western Interior; Mayaguez and Vicinity; Southwest; Culebra; Vieques; St.Thomas…St. John.. and Adjacent Islands; St Croix
Mayagüez Municipio, Puerto Rico severe weather history spans 124 recorded events between 1993 and 2025. The dominant hazard is flood, accounting for 41.1% of all recorded events. It ranks #2,800 nationally and #11 in Puerto Rico.
124
Recorded events
2
Direct deaths
9
Direct injuries
$8.8M
Property damage
The record
What the Mayagüez Municipio, Puerto Rico severe weather history record shows
Across the archive, Mayagüez Municipio, Puerto Rico severe weather history averages 3.9 recorded events a year. The busiest stretch on record is the 2010s, with 45 events logged in that decade alone.
The deadliest hazard in the Mayagüez Municipio, Puerto Rico record is heavy rain, responsible for 2 direct deaths. The costliest is flash flood, with $7.1M in reported property damage. In total, 10 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Mayagüez Municipio
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Flood | 51 | 0 | $32K | 0 | 1998–2025 |
| Flash Flood | 23 | 0 | $7.1M | 0 | 1998–2025 |
| Thunderstorm Wind | 20 | 0 | $675K | 61 | 1993–2025 |
| Heavy Rain | 14 | 2 | $10K | 0 | 1997–2017 |
| Debris Flow | 6 | 0 | $4K | 0 | 2020–2025 |
| Hail | 3 | 0 | $2K | 0.25 | 2013–2024 |
| Tornado | 2 | 0 | $0 | F0 | 1999–1999 |
| Funnel Cloud | 2 | 0 | $0 | 0 | 2020–2023 |
| Lightning | 2 | 0 | $100 | 0 | 1999–2016 |
| Wildfire | 1 | 0 | $1.0M | 0 | 2000–2000 |
Decade by decade
Mayagüez Municipio, Puerto Rico severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
2 mapped tornado paths intersect this county: 2 touched down inside it and 0 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1999-07-20 | EF0 | 0 | 0 | 0.5 mi | Touched down here |
| 1999-09-06 | EF0 | 0 | 0 | 0.2 mi | Touched down here |
Significant events
Deadliest events on record in Mayagüez Municipio
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Aug 22, 1999 | Heavy Rain | ANASCO | 1 | 0 | $0 |
| Jun 9, 1999 | Heavy Rain | ANASCO | 1 | 0 | $0 |
| Jul 17, 2010 | Thunderstorm Wind | MAYAGUEZ | 0 | 7 | $500K |
| Aug 31, 1999 | Lightning | RINCON | 0 | 2 | $0 |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A strong thunderstorm produced heavy rains that triggered a mudslide along road PR-105 in Sector Margarita, Barrio Lim��n, at Mayaguez, making it impassable���the Doppler radar rainfall estimated around 2 inches of rain during the event.
The residents along road Alheli at Urb Buenaventura in Mayaguez shared with a TV meteorologist (which was then confirmed with Mayaguez's Emergency Managers) that flooding was affecting their neighborhood due to poor drainage near a clogged sewer. The Doppler radar estimated between 2 and 3 inches of rain due to strong thunderstorms, which was the leading cause of the flooding problem observed, mainly along the road.
The residents along Calle Theopolis in Mayaguez shared with a TV meteorologist (which was then confirmed with Mayaguez's Emergency Managers) that flooding was affecting their neighborhood. The Doppler radar estimated between 2 and 3 inches of rain due to strong thunderstorms, and the runoff from those rains was the leading cause of the flooding problem observed, mainly along the road.
Context
Risk, population and federal disasters
Insufficient Data
FEMA NRI risk rating
70,828
Population (ACS)
$112K
Median home value
23
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Nov 27, 2024 | Tropical Storm | TROPICAL STORM ERNESTO | DR |
| Aug 13, 2024 | Severe Storm | TROPICAL STORM ERNESTO | EM |
| Sep 21, 2022 | Hurricane | HURRICANE FIONA | DR |
| Sep 18, 2022 | Hurricane | TROPICAL STORM FIONA | EM |
| Sep 9, 2020 | Hurricane | HURRICANE ISAIAS | DR |
| Aug 22, 2020 | Hurricane | TROPICAL STORM LAURA | EM |
Within the county
Most affected places
- Mayaguez 287
Quick answers
Frequently asked
How many severe weather events have been recorded in Mayagüez Municipio, Puerto Rico?
124 events are on record between 1993 and 2025, causing 2 direct deaths and $8.8M in property damage.
What is the most common severe weather hazard in Mayagüez Municipio?
Flood, with 51 recorded events — 41.1% of everything in the archive for this county.
How many tornadoes have crossed Mayagüez Municipio?
2 mapped tornado paths intersect the county boundary; 2 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Mayagüez Municipio?
23 federal disaster declarations from FEMA include Mayagüez Municipio, each tied to a specific incident period.
How risky is Mayagüez Municipio compared with the rest of the country?
FEMA's National Risk Index rates Mayagüez Municipio as insufficient data risk, placing it in the 0 percentile of its state for expected annual loss.
Where does the Mayagüez Municipio, Puerto Rico severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Maunabo Municipio 19
- Moca Municipio 35
- Maricao Municipio 2
- Morovis Municipio 22
- Manatí Municipio 36
- Naguabo Municipio 154
Cite this page
“Mayagüez Municipio, Puerto Rico.” Severe Weather History. severeweatherhistory.com/county/puerto-rico/mayaguez-municipio/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.