NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Mamou, LA
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
43 tropical systems have passed within 75 miles of Mamou, Louisiana since 1851, 12 of them at hurricane strength; the most recent was Delta in 2020. Since 1950, 155 tornadoes have touched down within 25 miles, 7 of them rated EF3 or stronger.
- Hurricanes
- 12
- Tropical storms
- 31
- Tornadoes
- 155
- EF3 or stronger
- 7
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
12 deaths in all
What the records show for Mamou
The strongest storm to pass near Mamou was Laura in 2020, a Category 3 hurricane with 119 mph winds when its centre passed 52 miles away. The closest pass by a hurricane was Delta in 2020, whose centre came within 10 miles. The record near Mamou begins with an unnamed storm in 1856; the most recent system was Delta in 2020. The busiest decade was the 1930s, with 5 systems, one of them at hurricane strength. Of the 43 systems, 9 have come since 2000. Of the 245 Louisiana cities on this site, 50% have more hurricanes within 75 miles than Mamou. The highest rating among the 155 tornadoes within 25 miles is F3 or EF3, reached 7 times; the most recent, on May 17, 2020, came within 15 miles. The deadliest, an F3 on November 7, 1957, killed 4 people. Of the 155, 11 had paths within 5 miles of the city centre, and 80 have come since 2000. April and May have had the most tornadoes, 22 each. The most recent tornado was on March 31, 2025. Mamou has more tornadoes within 25 miles than 86% of the 245 Louisiana cities. Hail has been reported within 10 miles 31 times since 1963, with stones up to 1.75 inches (golf ball size). Of the 245 Louisiana cities, 62% have more hail reports within 10 miles than Mamou.
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Tropical storms and hurricanes near Mamou
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2020 | DeltaOct 10 | 10 mi | Category 1 (74 mph) | Category 4 |
| 2020 | LauraAug 27 | 52 mi | Category 3 (119 mph) | Category 4 |
| 2019 | BarryJul 14 | 27 mi | Tropical storm (56 mph) | Category 1 |
| 2017 | HarveyAug 30 | 40 mi | Tropical storm (40 mph) | Category 4 |
| 2012 | IsaacAug 30 | 49 mi | Tropical storm (58 mph) | Category 1 |
| 2011 | LeeSep 4 | 44 mi | Tropical storm (40 mph) | Tropical storm |
| 2008 | GustavSep 2 | 9 mi | Tropical storm (68 mph) | Category 4 |
| 2007 | HumbertoSep 13 | 38 mi | Tropical storm (40 mph) | Category 1 |
| 2002 | LiliOct 3 | 3 mi | Tropical storm (67 mph) | Category 4 |
| 1992 | AndrewAug 26 | 47 mi | Tropical storm (72 mph) | Category 5 |
| 1985 | JuanOct 29 | 35 mi | Tropical storm (69 mph) | Category 1 |
| 1985 | DannyAug 15 | 5 mi | Tropical storm (66 mph) | Category 1 |
| 1982 | ChrisSep 11 | 59 mi | Tropical storm (46 mph) | Tropical storm |
| 1977 | BabeSep 5 | 72 mi | Tropical storm (43 mph) | Category 1 |
| 1974 | CarmenSep 8 | 22 mi | Category 1 (81 mph) | Category 4 |
| 1973 | Unnamed 1973 stormSep 13 | 8 mi | Tropical storm (40 mph) | Tropical storm |
| 1971 | EdithSep 16 | 39 mi | Category 1 (81 mph) | Category 4 |
| 1965 | BetsySep 10 | 43 mi | Category 1 (74 mph) | Category 4 |
| 1964 | HildaOct 4 | 73 mi | Category 1 (81 mph) | Category 4 |
| 1959 | ArleneMay 31 | 63 mi | Tropical storm (47 mph) | Tropical storm |
| 1957 | AudreyJun 27 | 58 mi | Category 1 (85 mph) | Category 3 |
| 1955 | Unnamed 1955 stormAug 27 | 13 mi | Tropical storm (41 mph) | Tropical storm |
| 1954 | BarbaraJul 29 | 61 mi | Tropical storm (56 mph) | Tropical storm |
| 1947 | Unnamed 1947 stormSep 20 | 17 mi | Tropical storm (68 mph) | Category 4 |
| 1940 | Unnamed 1940 stormSep 24 | 41 mi | Tropical storm (40 mph) | Tropical storm |
| 1938 | Unnamed 1938 stormAug 15 | 65 mi | Tropical storm (55 mph) | Category 2 |
| 1937 | Unnamed 1937 stormOct 3 | 63 mi | Tropical storm (40 mph) | Tropical storm |
| 1934 | Unnamed 1934 stormJun 16 | 59 mi | Category 1 (82 mph) | Category 2 |
| 1932 | Unnamed 1932 stormSep 19 | 47 mi | Tropical storm (53 mph) | Tropical storm |
| 1931 | Unnamed 1931 stormJul 16 | 49 mi | Tropical storm (39 mph) | Tropical storm |
| 1926 | Unnamed 1926 stormAug 26 | 9 mi | Tropical storm (45 mph) | Category 3 |
| 1920 | Unnamed 1920 stormSep 22 | 40 mi | Tropical storm (63 mph) | Category 2 |
| 1918 | Unnamed 1918 stormAug 6 | 68 mi | Category 2 (106 mph) | Category 3 |
| 1909 | Unnamed 1909 stormSep 21 | 52 mi | Category 2 (96 mph) | Category 3 |
| 1908 | Unnamed 1908 stormAug 1 | 34 mi | Tropical storm (40 mph) | Tropical storm |
| 1905 | Unnamed 1905 stormSep 29 | 31 mi | Tropical storm (41 mph) | Tropical storm |
| 1898 | Unnamed 1898 stormSep 20 | 2 mi | Tropical storm (45 mph) | Tropical storm |
| 1886 | Unnamed 1886 stormOct 13 | 73 mi | Category 1 (82 mph) | Category 3 |
| 1886 | Unnamed 1886 stormJun 15 | 10 mi | Tropical storm (62 mph) | Category 2 |
| 1875 | Unnamed 1875 stormSep 18 | 15 mi | Tropical storm (39 mph) | Category 3 |
| 1865 | Unnamed 1865 stormSep 14 | 64 mi | Category 1 (76 mph) | Category 2 |
| 1863 | Unnamed 1863 stormSep 30 | 35 mi | Tropical storm (46 mph) | Tropical storm |
| 1856 | Unnamed 1856 stormAug 11 | 36 mi | Tropical storm (62 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Mamou: 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 Mamou
By decade
- 2020s18(1 EF3+)
- 2010s27
- 2000s35
- 1990s21
- 1980s15(2 EF3+)
- 1970s20(1 EF3+)
- 1960s11
- 1950s8(3 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Nov 7, 1957 | F3 | 24 mi | 9.2 mi | 4 / 10 |
| Oct 29, 1974 | F3 | 18 mi | 31.3 mi | 2 / 52 |
| May 17, 2020 | EF3 | 15 mi | 3.93 mi | 1 / 9 |
| Oct 15, 1957 | F3 | 23 mi | 37.9 mi | 1 / 29 |
| Feb 9, 1983 | F3 | 22 mi | 21 mi | 0 / 7 |
| Feb 9, 1983 | F3 | 13 mi | 3 mi | 0 / 0 |
| Apr 4, 1952 | F3 | 19 mi | 36.7 mi | 0 / 10 |
| Sep 3, 2008 | EF2 | 2 mi | 7.06 mi | 2 / 2 |
| Oct 29, 2002 | F2 | 9 mi | 10.5 mi | 2 / 3 |
| Mar 31, 2025 | EF2 | 17 mi | 1.82 mi | 0 / 0 |
| Feb 8, 2023 | EF2 | 16 mi | 3.61 mi | 0 / 0 |
| Oct 25, 2022 | EF2 | 22 mi | 0.44 mi | 0 / 0 |
The strongest 12 of 155, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Mamou
The Storm Prediction Center has 31 hail reports within 10 miles of Mamou since 1963, made on 26 separate days. Of these, 14 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 7 days, most recently April 6, 2005. The most recent report is from April 4, 2019. March has the most reports, 9.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Mamou
The nearest NOAA station with 1991–2020 climate normals is Eunice, LA, 10 miles south of Mamou at 50 feet. August is the warmest, with an average high of 93°F and low of 73°F; January is the coolest, at 60°F and 40°F. January is the wettest at 6.4 inches of precipitation on average and March the driest at 3.9 inches; the year adds up to 57.8 inches over 72 days with at least a tenth of an inch. June to November, the hurricane season months, bring 48% of the year's precipitation (27.8 of 57.8 inches); the other six months are wetter. September has brought the most of the 43 tropical systems that passed within 75 miles (19); a normal September there has highs of 89°F and 4.9 inches of precipitation. Highs reach 90°F on about 111 days a year, almost all from May to October. Lows fall below freezing on about 19 nights a year. That 57.8 inches is more than at 20 of the 81 Louisiana stations used on this site (25%). Oakdale, 18 miles northwest, has its own station (Elizabeth, LA): 62.1 inches a year, 4.3 more than here, and the same August average high, 93°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 60 | 40 | 6.4 | 7 |
| Feb | 64 | 44 | 4.6 | 6 |
| Mar | 71 | 51 | 3.9 | 5 |
| Apr | 78 | 57 | 4.6 | 4 |
| May | 85 | 66 | 5.7 | 5 |
| Jun | 90 | 71 | 4.8 | 8 |
| Jul | 92 | 73 | 4.6 | 8 |
| Aug | 93 | 73 | 4.2 | 7 |
| Sep | 89 | 68 | 4.9 | 5 |
| Oct | 81 | 57 | 4.9 | 5 |
| Nov | 70 | 48 | 4.4 | 5 |
| Dec | 63 | 42 | 4.8 | 7 |
| Year | 78 | 57 | 57.8 | 72 |
Averages for 1991–2020 at Eunice, LA (50 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 Mamou
Since 1996, the National Weather Service has logged 50 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Mamou: 34 thunderstorm wind reports, 11 flash floods, 2 floods, 2 heavy rain events and 1 lightning strike. They killed 0 people and injured 2, and the NWS estimated $3.8 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on March 25, 2009. May has had the most flash floods, 5 of 11. Of the 239 Louisiana cities on this site with a flash flood on record, 88 have had fewer than Mamou.
February 26, 1998: thunderstorm wind 10 miles from the centre of Mamou — 2 injured, $2.0 million damage.
October 26, 2006: flood 8 miles from the centre of Mamou — $1.0 million damage.
NWS: “Between 10 and 15 inches of rain fell in less than 24 hours across southern Evangeline Parish. The heaviest hit area was near Chatagnier.”
March 25, 2009: thunderstorm wind 1 mile from the centre of Mamou — $100,000 damage.
NWS: “NWS Storm Survey found microburst wind damage across Mamou, with the worst damage in the northeastern half of town. A roof was blown off a medical building on the west side of Country Club Lane.”
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 Mamou's ZIP code 70554 have filed 79 claims with the National Flood Insurance Program since 1979, and were paid $1.9 million for buildings and contents, in the dollars of each year. The most came from Mid-summer severe storms in 2016: 10 claims (13% of all) and $305,000. The year with the most claims was 2017, with 19. 27% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 219 Louisiana cities on this site with 10 or more claims, 62 have fewer than Mamou.
| Event | Claims | Paid |
|---|---|---|
| Mid-summer severe storms2016 | 10 | $305,000 |
Evangeline Parish, which includes Mamou, has been named in 35 federal disaster or emergency declarations since 1971, 18 of them major disasters (by incident: 21 hurricanes, 3 coastal storms, 2 biological emergencies, 2 floods). The latest major disaster declaration was Hurricane Ida, on August 29, 2021. FEMA's National Risk Index gives Evangeline Parish a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for lightning; Relatively Moderate for hurricanes and tornadoes; Relatively Low for hail, inland flooding, strong wind and heat waves. It models the county's expected loss from all 18 hazards it covers at $22.9 million a year, the 29th highest of 64 Louisiana counties; of the hazards above, the largest share, $6.3 million (27%), is from inland flooding.
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).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets 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.
Cities near Mamou
- Ville Platte, LA9 mi
- Eunice, LA9 mi
- Basile, LA14 mi
- Oakdale, LA18 mi
- Oberlin, LA19 mi
- Elton, LA19 mi
- Church Point, LA19 mi
- Saint Landry, LA20 mi
- Opelousas, LA21 mi
- Iota, LA21 mi
- Washington, LA22 mi
- Bunkie, LA25 mi
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