NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Coamo, PR
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
57 tropical systems have passed within 75 miles of Coamo, Puerto Rico since 1851, 29 of them at hurricane strength; the most recent was Ernesto in 2024. Since 1950, 3 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 29
- Tropical storms
- 28
- Tornadoes
- 3
- EF3 or stronger
- 0
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Coamo
The strongest storm to pass near Coamo was Irma in 2017, a Category 5 hurricane with 173 mph winds when its centre passed 75 miles away. The closest pass by a hurricane was an unnamed storm in 1899, whose centre crossed the city. The record near Coamo begins with an unnamed storm in 1851; the most recent system was Ernesto in 2024, a tropical storm 66 miles away. The 1930s and the 2010s were the busiest decades, with 6 systems each. Of the 57 systems, 14 have come since 2000. Coamo has more hurricanes within 75 miles than 47% of the 86 Puerto Rico cities on this site. The strongest of the 3 tornadoes within 25 miles was an F1 on May 5, 1969; its path came within 22 miles. The most recent tornado was on November 18, 2016. Of the 86 Puerto Rico cities, 87% have more tornadoes within 25 miles than Coamo. Hail has been reported within 10 miles 17 times since 1996, with stones up to 2 inches (hen egg size). Coamo has more hail reports within 10 miles than 93% of the 86 Puerto Rico cities.
Compare Coamo's storm record with another city →
Tropical storms and hurricanes near Coamo
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2024 | ErnestoAug 14 | 66 mi | Tropical storm (68 mph) | Category 2 |
| 2022 | FionaSep 18 | 39 mi | Category 1 (84 mph) | Category 4 |
| 2021 | FredAug 11 | 48 mi | Tropical storm (40 mph) | Tropical storm |
| 2020 | LauraAug 22 | 23 mi | Tropical storm (52 mph) | Category 4 |
| 2019 | KarenSep 24 | 57 mi | Tropical storm (46 mph) | Tropical storm |
| 2017 | MariaSep 20 | 12 mi | Category 4 (130 mph) | Category 5 |
| 2017 | IrmaSep 6 | 75 mi | Category 5 (173 mph) | Category 5 |
| 2015 | ErikaAug 28 | 46 mi | Tropical storm (52 mph) | Tropical storm |
| 2014 | BerthaAug 2 | 59 mi | Tropical storm (46 mph) | Category 1 |
| 2011 | IreneAug 22 | 23 mi | Category 1 (76 mph) | Category 3 |
| 2007 | OlgaDec 11 | 23 mi | Tropical storm (46 mph) | Tropical storm |
| 2004 | JeanneSep 15 | 5 mi | Tropical storm (69 mph) | Category 3 |
| 2001 | DeanAug 22 | 73 mi | Tropical storm (56 mph) | Tropical storm |
| 2000 | DebbyAug 22 | 66 mi | Category 1 (75 mph) | Category 1 |
| 1998 | GeorgesSep 22 | 7 mi | Category 2 (104 mph) | Category 4 |
| 1996 | HortenseSep 10 | 31 mi | Category 1 (81 mph) | Category 4 |
| 1995 | MarilynSep 16 | 71 mi | Category 2 (109 mph) | Category 3 |
| 1989 | HugoSep 18 | 46 mi | Category 3 (124 mph) | Category 5 |
| 1984 | KlausNov 7 | 35 mi | Tropical storm (51 mph) | Category 1 |
| 1981 | GertSep 8 | 23 mi | Tropical storm (54 mph) | Category 2 |
| 1979 | FredericSep 4 | overhead | Tropical storm (52 mph) | Category 4 |
| 1975 | EloiseSep 16 | 72 mi | Tropical storm (44 mph) | Category 3 |
| 1956 | BetsyAug 12 | 6 mi | Category 2 (97 mph) | Category 3 |
| 1953 | DollySep 8 | 39 mi | Tropical storm (39 mph) | Category 1 |
| 1950 | BakerAug 23 | 15 mi | Tropical storm (39 mph) | Category 2 |
| 1949 | Unnamed 1949 stormSep 21 | 69 mi | Category 1 (81 mph) | Category 1 |
| 1949 | Unnamed 1949 stormSep 3 | 62 mi | Tropical storm (43 mph) | Category 3 |
| 1940 | Unnamed 1940 stormAug 5 | 69 mi | Tropical storm (46 mph) | Category 2 |
| 1938 | Unnamed 1938 stormAug 8 | 70 mi | Tropical storm (58 mph) | Tropical storm |
| 1933 | Unnamed 1933 stormJul 26 | 71 mi | Category 1 (86 mph) | Category 1 |
| 1932 | Unnamed 1932 stormSep 27 | 7 mi | Category 3 (114 mph) | Category 4 |
| 1931 | Unnamed 1931 stormSep 11 | 28 mi | Category 1 (82 mph) | Category 2 |
| 1931 | Unnamed 1931 stormAug 17 | 74 mi | Tropical storm (40 mph) | Tropical storm |
| 1930 | Unnamed 1930 stormSep 2 | 51 mi | Category 3 (115 mph) | Category 4 |
| 1928 | Unnamed 1928 stormSep 13 | 6 mi | Category 4 (151 mph) | Category 5 |
| 1926 | Unnamed 1926 stormJul 23 | 38 mi | Category 2 (104 mph) | Category 4 |
| 1924 | Unnamed 1924 stormAug 19 | 73 mi | Tropical storm (46 mph) | Category 3 |
| 1919 | Unnamed 1919 stormSep 3 | 25 mi | Tropical storm (49 mph) | Category 4 |
| 1916 | Unnamed 1916 stormAug 22 | 4 mi | Category 1 (89 mph) | Category 2 |
| 1916 | Unnamed 1916 stormJul 13 | 32 mi | Tropical storm (52 mph) | Category 2 |
| 1910 | Unnamed 1910 stormSep 7 | 39 mi | Category 2 (98 mph) | Category 2 |
| 1909 | Unnamed 1909 stormAug 22 | 46 mi | Category 1 (92 mph) | Category 3 |
| 1901 | Unnamed 1901 stormSep 12 | 25 mi | Tropical storm (58 mph) | Category 1 |
| 1901 | Unnamed 1901 stormJul 7 | 38 mi | Tropical storm (64 mph) | Category 1 |
| 1900 | Unnamed 1900 stormSep 1 | 41 mi | Tropical storm (52 mph) | Category 4 |
| 1899 | Unnamed 1899 stormAug 8 | overhead | Category 4 (136 mph) | Category 4 |
| 1898 | Unnamed 1898 stormOct 28 | 48 mi | Tropical storm (58 mph) | Tropical storm |
| 1896 | Unnamed 1896 stormSep 1 | 20 mi | Category 2 (98 mph) | Category 3 |
| 1893 | Unnamed 1893 stormAug 17 | 7 mi | Category 3 (110 mph) | Category 3 |
| 1891 | Unnamed 1891 stormAug 20 | 59 mi | Category 2 (106 mph) | Category 3 |
| 1878 | Unnamed 1878 stormNov 28 | 12 mi | Tropical storm (69 mph) | Tropical storm |
| 1876 | Unnamed 1876 stormSep 13 | 4 mi | Category 2 (99 mph) | Category 3 |
| 1867 | Unnamed 1867 stormOct 29 | 15 mi | Category 1 (93 mph) | Category 3 |
| 1855 | Unnamed 1855 stormAug 26 | 66 mi | Tropical storm (69 mph) | Tropical storm |
| 1852 | Unnamed 1852 stormSep 24 | 74 mi | Category 1 (81 mph) | Category 1 |
| 1852 | Unnamed 1852 stormSep 5 | 16 mi | Category 1 (76 mph) | Category 1 |
| 1851 | Unnamed 1851 stormAug 18 | 54 mi | Category 2 (104 mph) | Category 3 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Coamo: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Coamo
By decade
- 2010s1
- 2000s1
- 1960s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 5, 1969 | F1 | 22 mi | 1.5 mi | 0 / 1 |
| Nov 18, 2016 | EF0 | 25 mi | 0.62 mi | 0 / 0 |
| Aug 25, 2000 | F0 | 6 mi | 1 mi | 0 / 0 |
The strongest 3 of 3, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Coamo
The Storm Prediction Center has 17 hail reports within 10 miles of Coamo since 1996, made on 15 separate days. Of these, 3 were 1 inch across or larger, and one reached 2 inches. The largest, 2 inches (hen egg size), fell on May 29, 1997. The most recent report is from April 19, 2025. June has the most reports, 4.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Coamo
The nearest NOAA station with 1991–2020 climate normals is Aibonito 1 S, PR RQ, 7 miles east of Coamo at 2,330 feet. August is the warmest, with an average high of 82°F and low of 68°F; January is the coolest, at 74°F and 62°F. September is the wettest at 9.4 inches of precipitation on average and February the driest at 3.0 inches; the year adds up to 61.7 inches over 106 days with at least a tenth of an inch. June to November, the hurricane season months, bring 61% of the year's precipitation (37.4 of 61.7 inches); the other six months are drier. September has brought the most of the 57 tropical systems that passed within 75 miles (27); a normal September there has highs of 81°F and 9.4 inches of precipitation. Highs of 90°F are rare: fewer than one day a year on average. A night below freezing comes less than once a year on average. That 61.7 inches is more than at 8 of the 21 Puerto Rico stations used on this site (38%). Santa Isabel, 8 miles south, has its own station (Ponce 4 E, PR RQ): 37.6 inches a year, 24.1 less than here, and an August average high of 92°F against 82°F.
Sea level at the San Juan tide gauge, 30 miles from Coamo, has risen 0.85 ± 0.06 inches per decade from 1962 to 2025, NOAA's linear trend; at that pace it is 8.5 inches in a hundred years. That is faster than at 45 of the 144 U.S. gauges with a NOAA trend.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 74 | 62 | 3.8 | 10 |
| Feb | 75 | 62 | 3.0 | 8 |
| Mar | 76 | 62 | 3.5 | 7 |
| Apr | 78 | 63 | 4.4 | 8 |
| May | 80 | 66 | 5.5 | 9 |
| Jun | 81 | 68 | 3.1 | 6 |
| Jul | 81 | 68 | 4.7 | 9 |
| Aug | 82 | 68 | 5.5 | 9 |
| Sep | 81 | 68 | 9.4 | 11 |
| Oct | 80 | 68 | 8.0 | 11 |
| Nov | 77 | 66 | 6.7 | 10 |
| Dec | 75 | 64 | 4.1 | 9 |
| Year | 78 | 65 | 61.7 | 106 |
Averages for 1991–2020 at Aibonito 1 S, PR RQ (2,330 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Coamo
Since 1996, the National Weather Service has logged 131 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Coamo: 70 flash floods, 28 floods, 20 heavy rain events, 9 thunderstorm wind reports and 4 lightning strikes. They killed 3 people and injured 4, and the NWS estimated $751.6 million in property and crop damage. The strongest thunderstorm gust on record here was 46 mph, on October 17, 2022. May has had the most flash floods, 15 of 70. Of the 86 Puerto Rico cities on this site with a flash flood on record, 39 have had fewer than Coamo.
May 28, 2010: flash flood 7 miles from the centre of Coamo — 2 killed, $10,000 damage.
August 30, 2025: lightning strike 8 miles from the centre of Coamo — 1 killed.
September 30, 2010: heavy rain event 2 miles from the centre of Coamo — 2 injured.
NWS: “Scattered showers and isolated thunderstorms inland between the municipalities of Aibonito and Barranquitas caused a rapid water rise along the Coamo River near road 153, two person riding a four track vehicle were overtaken by the surge, but were rescued later.”
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Flood insurance policyholders in Coamo's ZIP code 00769 have filed 17 claims with the National Flood Insurance Program since 1979, and were paid $43,000 for buildings and contents, in the dollars of each year. 88% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 72 Puerto Rico cities on this site with 10 or more claims, 7 have fewer than Coamo.
Coamo Municipio, which includes Coamo, has been named in 31 federal disaster or emergency declarations since 1970, 20 of them major disasters (by incident: 13 hurricanes, 7 floods, 5 severe storms, 2 biological emergencies). The latest major disaster declaration was Tropical Storm Ernesto, on November 27, 2024.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.