Las Piedras Municipio, Puerto Rico

What hazards hit Las Piedras Municipio most?

The most frequent records are landslide and avalanche records: 69 since 2003. Census land area gives no figure for Las Piedras Municipio under this code, so it carries no per-area rank.

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 Las Piedras Municipio had?

NOAA records 1 tornado in Las Piedras Municipio from 2023 to 2023, the strongest rated EF0, 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 1 tornado whose track touched Las Piedras Municipio since 1950 (NOAA's county records number 1, the same count); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in Puerto Rico.

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 Las Piedras Municipio?

The most recent record with damage, injuries or deaths is the April 17, 2026 flood ($1,000 in damage in 2025 dollars).

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

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 Las Piedras 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).

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 Las Piedras Municipio. The two busiest months are in violet.

Source: NOAA NCEI Storm Events Database, records by the month they began.

Federal disaster declarations for Las Piedras Municipio

FEMA's register lists 28 declarations that include Las Piedras Municipio: 18 major disasters, 10 emergencies and 0 fire management assistance declarations. Most were for hurricane (14) and severe storm (5).

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 Las Piedras Municipio had?

NOAA's Storm Events Database holds 53 flood or flash flood records for Las Piedras Municipio from 2003 to 2026, on 33 days, with 3 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Las Piedras Municipio ranks 1874th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $98,000 on 32 claims filed in Las Piedras Municipio; the most in one year was 15 in 1979. Claims count insured losses only: uninsured flood damage is not in this file.

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 Las Piedras Municipio

1. Naguabo Municipio 298
2. Humacao Municipio 266
3. Río Grande Municipio 194
4. Canóvanas Municipio 190
5. Las Piedras Municipio 169
6. San Lorenzo Municipio 151
7. Juncos Municipio 142
8. Yabucoa Municipio 141

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
• 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 Las Piedras MunicipioThe hazard risk calculator: 18 hazards beside the county's record
• Download Las Piedras Municipio's FEMA declarations (CSV)28 rows: every declaration that named the county, for your own analysis