Añasco Municipio, Puerto Rico
Municipio storm and disaster record · FIPS 72011 · population 25,546 · 39 sq mi
NOAA's Storm Events Database holds 176 records for Añasco Municipio, Puerto Rico from 1950 through June 30, 2026, on 139 days; the most frequent are floods and flash floods (71 records). 97 of them are forecast-zone records, which the National Weather Service files once per zone: a county covered by several zones receives each one, so a single storm can add several records on the same day. The deadliest single record is the September 20, 2017 flash flood: 4 deaths and $903 million in damage in 2025 dollars. FEMA has issued 26 declarations naming the county since 1975, 24 of them for natural hazards; the latest for a natural hazard was “Tropical Storm Ernesto” on November 27, 2024.
The record, 1950 to 2026
Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).
- recorded, no damage figure
- under $100,000
- $100,000 or more
- $1 million or more
- $10 million or more, or a death
- $100 million or more, or 10 deaths
- a year's colour: its recorded damage or deaths
- a year with a death
- 1955: wind and hail recorded from 1955
- 1996: all 48 event types from 1996
- Storm records
- 176on 139 days, 1950 to June 30, 2026
- Deaths recorded
- 1510 injuries
- Damage, 2025 dollars
- $1.0Bas filed (scale steps before 1993)
- Tornadoes
- 1strongest F0
- FEMA declarations
- 26latest 2024
Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.
What hazards hit Añasco Municipio most?
The most frequent records are floods and flash floods: 71 since 1996. Census land area gives no figure for Añasco Municipio under this code, so it carries no per-area rank.
| Hazard | Records | Days | First, last | Killed | Injured | Damage | Rank in state |
|---|---|---|---|---|---|---|---|
| Floods | 71 | 51 | 1996-2026 | 5 | 0 | $1.0B | – |
| Heat | 26 | 26 | 2023-2024 | 0 | 0 | – | – |
| Landslides and avalanches | 19 | 18 | 2003-2024 | 0 | 0 | $12K | – |
| Heavy rain | 17 | 13 | 1996-2018 | 0 | 0 | $12K | – |
| Rip currents and high surf | 11 | 11 | 1997-2025 | 8 | 4 | $1.2M | – |
| Hurricanes and tropical storms | 10 | 6 | 2000-2024 | 1 | 0 | $70K | – |
| Severe thunderstorm wind | 6 | 6 | 1996-2025 | 0 | 0 | $77K | – |
| Fog, smoke and funnel clouds | 5 | 5 | 1996-2003 | 0 | 0 | – | – |
| Wildfires | 4 | 4 | 2005-2024 | 0 | 2 | $312K | – |
| High wind and dust storms | 3 | 3 | 2003-2026 | 0 | 3 | $15K | – |
| Drought | 1 | 1 | 2003-2003 | 0 | 0 | – | – |
| Hail | 1 | 1 | 2016-2016 | 0 | 0 | $123 | – |
| Lightning | 1 | 1 | 2001-2001 | 1 | 1 | – | – |
| Tornadoes | 1 | 1 | 2004-2004 | 0 | 0 | – | – |
Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.
How many tornadoes has Añasco Municipio had?
NOAA records 1 tornado in Añasco Municipio from 2004 to 2004, the strongest rated F0, with 0 deaths and 0 injuries recorded in the county. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.
Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 4 tornadoes whose track touched Añasco Municipio since 1950 (NOAA's county records number 1: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 0 people.
Map of the strongest tornado tracks in Puerto Rico.
Every tornado record filed for Añasco Municipio (1)
| Date | Place | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2004-10-16 | Cabo Rojo, Añasco Municipio | F0 0.1 mi x 1 yd | 0 | 0 | – |
Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.
When was the last damaging storm in Añasco Municipio?
The most recent record with damage, injuries or deaths is the February 28, 2026 strong wind (1 injury and $4,500 in damage in 2025 dollars).
Emergency Managers reported a fallen tree at PR-414 at Bo. Guayabo close to the sixth house near the entrance of Bo. Cruces. Emergency managers reported that the roadway was not obstructed but that people were trapped and a person was injured. The nearest official station reported a gust of 25 mph at the time.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1320147)
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2026-02-28 | Strong WindAguada Municipio and 6 more · forecast zone Mayaguez And Vicinity | 22 kt wind | 0 | 1 | $5K |
| 2026-02-03 | Coastal FloodAguada Municipio and 6 more · forecast zone Mayaguez And Vicinity | 0 | 0 | $20K | |
| 2025-10-20 | High SurfAguada Municipio and 6 more · forecast zone Mayaguez And Vicinity | 1 | 0 | – | |
| 2025-10-03 | Coastal FloodAguada Municipio and 6 more · forecast zone Mayaguez And Vicinity | 0 | 0 | $1K | |
| 2025-08-17 | Thunderstorm WindAnasco, Añasco Municipio | 22 kt wind | 0 | 0 | $1K |
| 2025-05-17 | Flash FloodAnasco, Añasco Municipio | 0 | 0 | – | |
| 2025-05-17 | Flash FloodAnasco, Añasco Municipio | 0 | 0 | $2K | |
| 2025-05-17 | Flash FloodAnasco, Añasco Municipio | 0 | 0 | $15K | |
| 2025-05-04 | Thunderstorm WindAnasco, Añasco Municipio | 30 kt wind | 0 | 0 | $50K |
| 2025-03-20 | Coastal FloodAguada Municipio and 6 more · forecast zone Mayaguez And Vicinity | 0 | 0 | $2K | |
| 2025-03-20 | Coastal FloodAguada Municipio and 6 more · forecast zone Mayaguez And Vicinity | 0 | 0 | $4K | |
| 2025-03-15 | Rip CurrentAguada Municipio and 6 more · forecast zone Mayaguez And Vicinity | 1 | 1 | – |
Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.
The deadliest and costliest records
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2017-09-20 | Flash FloodAnasco, Añasco Municipio Heavy rain resulted in flash flooding across the municipality of Anasco. Rio Anasco and all its tributaries went out of its banks. Four people were confirmed dead due to the flooding waters associated with the river. | 4 | 0 | $903M | |
| 2025-03-15 | Rip CurrentAguada Municipio and 6 more · forecast zone Mayaguez And Vicinity A 61-year-old male tourist from California drowned at Sandy Beach in Barrio Puntas, Rincon, after struggling in the water. | 1 | 1 | – | |
| 2023-03-02 | Rip CurrentAguada Municipio and 5 more · forecast zone Mayaguez And Vicinity A 49-year-old woman was swept away by rip currents while surfing at Steps beach in Rincon. | 1 | 1 | – | |
| 2022-12-20 | Rip CurrentAguada Municipio and 5 more · forecast zone Mayaguez And Vicinity A tourist drowned while swimming with his son on Sandy Beach, Rincon. | 1 | 1 | – | |
| 2022-11-28 | Rip CurrentAguada Municipio and 5 more · forecast zone Mayaguez And Vicinity A 26-year-old male was surfing in Domes Beach, Rincon, and was caught in a rip current and drowned. | 1 | 1 | – | |
| 2001-09-26 | LightningCabo Rojo, Añasco Municipio A person was killed by lightning in Cabo Rojo. He was on the roof of a house preparing a concrete topping mixture. Another construction worker was affected by a side lobe. | 1 | 1 | – | |
| 2025-10-20 | High SurfAguada Municipio and 6 more · forecast zone Mayaguez And Vicinity A 72-year-old male surfer was found unresponsive in the water near Playa Tres Palmas in Rincn. The individual was struck by his surfboard, lost consciousness, and subsequently drowned in the presence of high surf and strong currents. Bystanders and authorities recovered the victim, who was later pronounced deceased. | 1 | 0 | – | |
| 2025-03-08 | Rip CurrentAguada Municipio and 6 more · forecast zone Mayaguez And Vicinity A 71-year-old male tourist drowned after being swept away by rip currents at a beach near a hotel on PR-115 in Barrio Caguabo, Anasco. | 1 | 0 | – |
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2001-05-06 | Flash FloodCountywide, Añasco Municipio | 0 | 0 | $88M | |
| 2008-09-22 | FloodCabo Rojo, Añasco Municipio | 0 | 0 | $6.9M | |
| 2017-03-06 | High SurfAguada Municipio and 5 more · forecast zone Mayaguez And Vicinity | 0 | 0 | $1.2M | |
| 2005-02-01 | WildfireAguada Municipio and 4 more · forecast zone Mayaguez And Vicinity | 0 | 0 | $302K | |
| 2025-05-04 | Thunderstorm WindAnasco, Añasco Municipio | 30 kt wind | 0 | 0 | $50K |
| 2026-02-03 | Coastal FloodAguada Municipio and 6 more · forecast zone Mayaguez And Vicinity | 0 | 0 | $20K | |
| 2025-05-17 | Flash FloodAnasco, Añasco Municipio | 0 | 0 | $15K | |
| 2004-05-18 | Flash FloodCabo Rojo, Añasco Municipio | 1 | 0 | $6K |
Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.
Is it getting more frequent?
Records per decade for Añasco Municipio's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).
| Hazard | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020-26 |
|---|---|---|---|---|---|---|---|---|
| Floods | – | – | – | – | 16 | 40 | 7 | 8 |
| Heat | – | – | – | – | 0 | 0 | 0 | 26 |
| Landslides and avalanches | – | – | – | – | 0 | 14 | 4 | 1 |
| Heavy rain | – | – | – | – | 4 | 11 | 2 | 0 |
| Rip currents and high surf | – | – | – | – | 1 | 0 | 2 | 8 |
| Hurricanes and tropical storms | – | – | – | – | 0 | 3 | 1 | 6 |
Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).
What time of year?
Records by month in Añasco Municipio. The two busiest months are in violet.
The values, month by month
Jan 7 · Feb 4 · Mar 10 · Apr 12 · May 27 · Jun 16 · Jul 14 · Aug 15 · Sep 28 · Oct 23 · Nov 16 · Dec 4 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began.
Federal disaster declarations for Añasco Municipio
FEMA's register lists 26 declarations that include Añasco Municipio: 16 major disasters, 10 emergencies and 0 fire management assistance declarations. Most were for hurricane (12) and severe storm (6).
| Declared | Number | Type | Title |
|---|---|---|---|
| 2024-11-27 | DR-4850 | Tropical Storm | Tropical Storm Ernesto |
| 2024-08-13 | EM-3610 | Severe Storm | Tropical Storm Ernesto |
| 2022-09-21 | DR-4671 | Hurricane | Hurricane Fiona |
| 2022-09-18 | EM-3583 | Hurricane | Tropical Storm Fiona |
| 2020-08-22 | EM-3537 | Hurricane | Tropical Storm Laura |
| 2020-07-29 | EM-3532 | Hurricane | Potential Tropical Cyclone Nine |
| 2020-03-27 | DR-4493 | Biological | Covid-19 Pandemic |
| 2020-03-13 | EM-3452 | Biological | Covid-19 |
| 2020-01-16 | DR-4473 | Earthquake | Earthquakes |
| 2020-01-07 | EM-3426 | Earthquake | Earthquakes |
| 2019-08-27 | EM-3417 | Severe Storm | Tropical Storm Dorian |
| 2017-09-20 | DR-4339 | Hurricane | Hurricane Maria |
| 2017-09-18 | EM-3391 | Hurricane | Hurricane Maria |
| 2011-08-27 | DR-4017 | Hurricane | Hurricane Irene |
| 2011-08-22 | EM-3326 | Hurricane | Hurricane Irene |
| 2011-07-14 | DR-4004 | Severe Storm | Severe Storms, Flooding, Mudslides, and Landslides |
| 2010-10-26 | DR-1946 | Severe Storm | Severe Storms, Flooding, Mudslides, and Landslides Assoc W Ts Otto |
| 2004-09-17 | DR-1552 | Severe Storm | Tropical Storm Jeanne and Resulting Landslides and Mudslides |
| 2001-05-16 | DR-1372 | Severe Storm | Severe Storms, Flooding and Mudslides |
| 1999-11-17 | EM-3151 | Hurricane | Hurricane Lenny |
| 1998-09-24 | DR-1247 | Hurricane | Hurricane Georges - 18 Sep 98 |
| 1996-09-11 | DR-1136 | Hurricane | Hurricane Hortense |
| 1986-07-10 | DR-768 | Flood | Heavy Rains, Flooding & Mudslides |
| 1985-05-31 | DR-736 | Flood | Storms, Mud/Land Slides, Flooding |
| 1979-09-02 | DR-597 | Hurricane | Hurricane David |
| 1975-09-19 | DR-483 | Flood | Tropical Storm Elioise |
Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.
How many floods has Añasco Municipio had?
NOAA's Storm Events Database holds 71 flood or flash flood records for Añasco Municipio from 1996 to 2026, on 51 days, with 5 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Añasco Municipio ranks 1311th of 2,942 U.S. counties.
| Storm | Began | Records | Deaths in the county |
|---|---|---|---|
| Hurricane Maria | 2017-09-20 | 1 | 4 |
| Tropical Storm Jeanne | 2004-09-14 | 1 | 1 |
The National Flood Insurance Program has paid $785,000 on 99 claims filed in Añasco Municipio; the most in one year was 59 in 1998. Claims count insured losses only: uninsured flood damage is not in this file.
The values, year by year
1979: 3 · 1985: 8 · 1988: 1 · 1996: 3 · 1998: 59 · 2003: 1 · 2004: 1 · 2007: 2 · 2017: 15 · 2022: 6; the other years: 0.
Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.
Counties that share a border with Añasco Municipio
Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.
Next
- Tornadoes in Puerto RicoEvery Puerto Rico tornado since 1950 and the counties with the most per square mile
- Floods in Puerto RicoThe state's floods and flash floods, by county, year and month
- The Puerto Rico recordEvery hazard in the state, its deadliest events and its federal declarations
- FEMA's risk rating for each hazard in Añasco MunicipioThe hazard risk calculator: 18 hazards beside the county's record
- Download Añasco Municipio's FEMA declarations (CSV)26 rows: every declaration that named the county, for your own analysis