Cayey Municipio, Puerto Rico
Municipio storm and disaster record · FIPS 72035 · population 41,588 · 52 sq mi
NOAA's Storm Events Database holds 158 records for Cayey Municipio, Puerto Rico from 1950 through June 30, 2026, on 80 days; the most frequent are landslide and avalanche records (71 records). 129 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 November 12, 2004 flood, filed for the forecast zone Eastern Interior, which covers the county: 2 deaths, 2 injuries and $2.3 million in damage in 2025 dollars. FEMA has issued 28 declarations naming the county since 1970, 26 of them for natural hazards; the latest for a natural hazard was “Tropical Storm Ernesto” on August 13, 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
- 158on 80 days, 1950 to June 30, 2026
- Deaths recorded
- 32 injuries
- Damage, 2025 dollars
- $918Mas filed (scale steps before 1993)
- FEMA declarations
- 28latest 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 Cayey Municipio most?
The most frequent records are landslide and avalanche records: 71 since 2003. Census land area gives no figure for Cayey Municipio under this code, so it carries no per-area rank.
| Hazard | Records | Days | First, last | Killed | Injured | Damage | Rank in state |
|---|---|---|---|---|---|---|---|
| Landslides and avalanches | 71 | 35 | 2003-2024 | 0 | 0 | $6.6M | – |
| Floods | 42 | 25 | 2003-2025 | 3 | 2 | $909M | – |
| Hurricanes and tropical storms | 28 | 10 | 2000-2024 | 0 | 0 | $2.8M | – |
| Drought | 5 | 5 | 1997-2022 | 0 | 0 | – | – |
| Heat | 3 | 3 | 2023-2023 | 0 | 0 | – | – |
| Heavy rain | 3 | 3 | 2009-2018 | 0 | 0 | – | – |
| High wind and dust storms | 3 | 2 | 2015-2025 | 0 | 0 | $32K | – |
| Fog, smoke and funnel clouds | 3 | 3 | 2001-2003 | 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.
When was the last damaging storm in Cayey Municipio?
The most recent record with damage, injuries or deaths is the May 8, 2025 flash flood ($1,500 in damage in 2025 dollars).
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2025-05-08 | Flash FloodCayey Municipio | 0 | 0 | $2K | |
| 2025-05-04 | Flash FloodCayey Municipio | 0 | 0 | $3K | |
| 2025-05-04 | Flash FloodCayey Municipio | 0 | 0 | $25K | |
| 2025-05-02 | FloodCayey Municipio | 0 | 0 | $500 | |
| 2025-05-01 | Flash FloodCayey Municipio | 0 | 0 | $5K | |
| 2025-05-01 | Flash FloodCayey Municipio | 0 | 0 | $30K | |
| 2025-04-28 | Flash FloodCayey Municipio | 0 | 0 | $10K | |
| 2025-04-02 | Strong WindAguas Buenas Municipio and 8 more · forecast zone Eastern Interior | 30 kt wind | 0 | 0 | $15K |
| 2025-04-02 | Strong WindAguas Buenas Municipio and 8 more · forecast zone Eastern Interior | 30 kt wind | 0 | 0 | $16K |
| 2017-09-20 | Flash FloodCayey Municipio | 0 | 0 | $903M | |
| 2017-09-20 | Hurricane (Typhoon)Aguas Buenas Municipio and 8 more · forecast zone Eastern Interior | 0 | 0 | $602K | |
| 2017-09-20 | Hurricane (Typhoon)Aguas Buenas Municipio and 8 more · forecast zone Eastern Interior | 0 | 0 | $602K |
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 |
|---|---|---|---|---|---|
| 2004-11-12 | FloodAguas Buenas Municipio and 8 more · forecast zone Eastern Interior A persistent upper trough to the west of Puerto Rico and a extremely moist low level air mass, brought numerous showers during the period from November 12-15. On the 12 November rainfall was already fairly impressive across the eastern and central interior, although the northeast quarter of the island received 1 to 2 ... | 2 | 2 | $2.3M | |
| 2003-11-10 | FloodAguas Buenas Municipio and 8 more · forecast zone Eastern Interior Heavy rains affected Puerto Rico during the week of November 10-15, leading to widespread flash flooding, and numerous mud, land and rock slides. A total of 19 municipalities were declared a federal disaster area with total damages estimated at around 45 million.On November 10, an active tropical wave approached ... | 1 | 0 | $3.2M |
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2009-12-25 | Debris FlowAguas Buenas Municipio and 8 more · forecast zone Eastern Interior | 0 | 0 | $6.6M | |
| 2003-11-10 | FloodAguas Buenas Municipio and 8 more · forecast zone Eastern Interior | 1 | 0 | $3.2M | |
| 2004-11-12 | FloodAguas Buenas Municipio and 8 more · forecast zone Eastern Interior | 2 | 2 | $2.3M | |
| 2017-09-20 | Hurricane (Typhoon)Aguas Buenas Municipio and 8 more · forecast zone Eastern Interior | 0 | 0 | $602K | |
| 2025-05-01 | Flash FloodCayey Municipio | 0 | 0 | $30K | |
| 2025-05-04 | Flash FloodCayey Municipio | 0 | 0 | $25K | |
| 2025-04-02 | Strong WindAguas Buenas Municipio and 8 more · forecast zone Eastern Interior | 30 kt wind | 0 | 0 | $16K |
| 2025-04-02 | Strong WindAguas Buenas Municipio and 8 more · forecast zone Eastern Interior | 30 kt wind | 0 | 0 | $15K |
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 Cayey 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 |
|---|---|---|---|---|---|---|---|---|
| Landslides and avalanches | – | – | – | – | 0 | 59 | 9 | 3 |
| Floods | – | – | – | – | 0 | 25 | 4 | 13 |
| Hurricanes and tropical storms | – | – | – | – | 0 | 3 | 18 | 7 |
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 Cayey Municipio. The two busiest months are in violet.
The values, month by month
Jan 1 · Feb 1 · Mar 6 · Apr 6 · May 30 · Jun 4 · Jul 14 · Aug 27 · Sep 17 · Oct 14 · Nov 22 · Dec 16 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began.
Federal disaster declarations for Cayey Municipio
FEMA's register lists 28 declarations that include Cayey Municipio: 17 major disasters, 11 emergencies and 0 fire management assistance declarations. Most were for hurricane (13) and flood (6).
| Declared | Number | Type | Title |
|---|---|---|---|
| 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 |
| 2020-01-07 | 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 |
| 2005-11-10 | DR-1613 | Severe Storm | Severe Storms, Flooding, Landslides, and Mudslides |
| 2004-09-17 | DR-1552 | Severe Storm | Tropical Storm Jeanne and Resulting Landslides and Mudslides |
| 2003-11-21 | DR-1501 | Severe Storm | Severe Storms, Flooding, Mudslides, and Landslides |
| 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 |
| 1992-01-22 | DR-931 | Flood | Severe Storms & Flooding |
| 1989-09-21 | DR-842 | Hurricane | Hurricane Hugo |
| 1986-07-10 | DR-768 | Flood | Heavy Rains, Flooding & Mudslides |
| 1985-10-10 | DR-746 | Flood | Severe Storms, Flooding & Mudslides |
| 1979-09-02 | DR-597 | Hurricane | Hurricane David |
| 1975-09-19 | DR-483 | Flood | Tropical Storm Elioise |
| 1974-11-30 | DR-455 | Flood | Flooding |
| 1974-08-29 | EM-3002 | Drought | Impact of Drought |
| 1970-10-12 | DR-296 | Flood | Heavy Rains & Flooding |
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.
Counties that share a border with Cayey Municipio
Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.
Next
- Landslides and avalanches in Puerto RicoThe state's landslide and avalanche records, 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 Cayey MunicipioThe hazard risk calculator: 18 hazards beside the county's record
- Download Cayey Municipio's FEMA declarations (CSV)28 rows: every declaration that named the county, for your own analysis