Hurricane Calendar · On this day
Hurricanes on April 9 in history (1842 to 2026)
150 storms on record were active on April 9 between 1886 and 2026. On this date 27 formed, 12 reached their peak recorded wind, 6 came ashore and 18 ended. The strongest storm active on April 9 was Typhoon Sinlaku (2026), with a peak 1-minute sustained wind of 154 kt (177 mph), recorded by Real-time.
Dates are calendar dates in UTC. Typhoons and cyclones are the same kind of storm as hurricanes, named by region. Archive of September 29, 2026.
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Cyclone Adeline (2004–05)
Peak recorded wind: April 9, 2005, 12:00 UTC. Peak: 120 kt · 10-minute (Météo-France). Australian region → Southwest Indian, Apr 1 to 16, 2005.
In Hurricane Calendar, replay Adeline along its recorded track, with the wind at each step and the agency that measured it.
Came ashore on April 9
6 storms, most recent first. Recorded landfalls come from the National Hurricane Center's best track; elsewhere a coast crossing is estimated from the track and labelled.
| Year | Storm | Ocean | Where and when | Wind at landfall | Record |
|---|---|---|---|---|---|
| 1999 | Unnamed tropical storm · 1999 | Western Pacific | Coast crossing (estimated) near 13.5°N, 123.8°E April 9, 1999, 18:00 UTC | Not recorded | Estimated from the track |
| 1998 | Cyclone Zuman | South Pacific | Coast crossing (estimated) near 36.5°S, 178.0°E April 9, 1998, 06:00 UTC | 30 kt (35 mph), 10-minute, MetService NZ | Estimated from the track |
| 1996 | Tropical storm Ann | Western Pacific | Coast crossing (estimated) near 11.9°N, 122.0°E April 9, 1996, 09:00 UTC | Not recorded | Estimated from the track |
| 1984 | Cyclone Kamisy | Southwest Indian | Coast crossing (estimated) near 12.3°S, 49.7°E April 9, 1984, 03:00 UTC | Not recorded | Estimated from the track |
| 1968 | Cyclone Gisele | Australian region → South Pacific | Coast crossing (estimated) near 35.8°S, 174.8°E April 9, 1968, 09:00 UTC | Not recorded | Estimated from the track |
| 1958 | Unnamed storm · 1958 | Australian region → South Pacific | Coast crossing (estimated) near 16.5°S, 178.1°E April 9, 1958, 00:00 UTC | Not recorded | Estimated from the track |
Formed on April 9
27 storms had their first recorded position on this date.
| Season | Storm | Ocean | First position | Peak |
|---|---|---|---|---|
| 2026 | Typhoon Sinlaku | Western Pacific | 8.7°N, 152.1°E | 154 kt · 1-minute (Real-time) |
| 2024–25 | Cyclone Errol | Australian region | 8.6°S, 132.3°E | 110 kt · 10-minute (BoM) |
| 1997 | Typhoon Isa | Western Pacific | 6.2°N, 153.0°E | 85 kt · 10-minute (JMA) |
| 1985–86 | Cyclone Martin | South Pacific | 12.0°S, 168.0°E | 65 kt · 10-minute (MetService NZ) |
| 2014–15 | Cyclone Solo | South Pacific | 12.6°S, 163.1°E | 55 kt · 10-minute (FMS) |
| 2023–24 | Cyclone Paul | Australian region | 10.5°S, 152.4°E | 50 kt · 10-minute (BoM) |
| 1961 | Tropical storm Viola | Western Pacific | 9.6°N, 110.4°E | 50 kt · 1-minute (JTWC) |
| 2020–21 | Unnamed cyclone · 2021 | South Pacific | 15.1°S, 158.9°E | 35 kt · 10-minute (MetService NZ) |
| 2006–07 | Unnamed cyclone · 2007 | Southwest Indian | 21.7°S, 36.9°E | 50 kt · 10-minute (Météo-France) |
| 1956 | Unnamed tropical storm · 1956 | Western Pacific | 12.0°N, 122.8°E | 40 kt · 1-minute (JTWC) |
| 1957–58 | Unnamed tropical depression · 1958 | Australian region | 12.5°S, 153.0°E | 30 kt · 1-minute (JTWC) |
| 1945–46 | Unnamed storm · 1946 | Australian region → South Pacific | 13.6°S, 153.3°E | Not recorded |
| 1934–35 | Unnamed storm · 1935 | Southwest Indian | 9.5°S, 44.7°E | Not recorded |
| 1904–05 | Unnamed storm · 1905 | Southwest Indian | 13.0°S, 54.7°E | Not recorded |
| 1954–55 | Unnamed storm · 1955 | South Pacific | 21.7°S, 168.2°E | Not recorded |
Show 12 more storms
| Season | Storm | Ocean | First position | Peak |
|---|---|---|---|---|
| 1944–45 | Unnamed storm · 1945 | Australian region | 17.2°S, 113.9°E | Not recorded |
| 1943 | Unnamed storm · 1943 | Western Pacific | 6.0°N, 143.4°E | Not recorded |
| 1940 | Unnamed storm · 1940 | Western Pacific | 8.0°N, 140.7°E | Not recorded |
| 1931–32 | Unnamed storm · 1932 | Australian region → Southwest Indian → Australian region | 9.9°S, 99.3°E | Not recorded |
| 1921–22 | Unnamed storm · 1922 | Southwest Indian | 14.6°S, 66.3°E | Not recorded |
| 1919–20 | Unnamed storm · 1920 | Southwest Indian | 13.0°S, 59.2°E | Not recorded |
| 1917–18 | Unnamed storm · 1918 | Southwest Indian | 13.2°S, 61.9°E | Not recorded |
| 1913–14 | Unnamed storm · 1914 | Southwest Indian | 10.7°S, 50.8°E | Not recorded |
| 1905–06 | Unnamed storm · 1906 | Southwest Indian | 15.1°S, 65.3°E | Not recorded |
| 1903–04 | Unnamed storm · 1904 | Southwest Indian | 15.2°S, 66.3°E | Not recorded |
| 1894–95 | Unnamed storm · 1895 | Southwest Indian | 15.3°S, 54.3°E | Not recorded |
| 1885–86 | Unnamed storm · 1886 | Southwest Indian | 12.7°S, 62.3°E | Not recorded |
Reached peak wind on April 9
12 storms recorded their highest wind on this date, as the responsible agency measured it.
| Season | Storm | Ocean | Peak wind | Lowest pressure |
|---|---|---|---|---|
| 1995–96 | Cyclone Olivia | Australian region | 105 kt (121 mph), 10-minute, BoM | 925 hPa (BoM) |
| 2004–05 | Cyclone Adeline | Australian region → Southwest Indian | 120 kt (138 mph), 10-minute, Météo-France | 905 hPa (Météo-France) |
| 1991–92 | Cyclone Neville | Australian region | 110 kt (127 mph), 10-minute, BoM | 945 hPa (BoM) |
| 2016–17 | Cyclone Cook | South Pacific | 85 kt (98 mph), 10-minute, FMS | 961 hPa (FMS) |
| 1985–86 | Cyclone Alison | Australian region → Southwest Indian → Australian region | 60 kt (69 mph), 10-minute, BoM | 974 hPa (BoM) |
| 1997–98 | Cyclone Gemma | Southwest Indian | 45 kt (52 mph), 10-minute, Météo-France | 985 hPa (Météo-France) |
| 1969–70 | Cyclone Gillian | South Pacific | 55 kt (63 mph), 10-minute, MetService NZ | 980 hPa (MetService NZ) |
| 2020–21 | Cyclone Odette | Australian region | 50 kt (58 mph), 10-minute, BoM | 986 hPa (BoM) |
| 1972 | Unnamed cyclone · 1972 | North Indian | 85 kt (98 mph), 1-minute, JTWC | Not recorded |
| 1961 | Tropical storm Viola | Western Pacific | 50 kt (58 mph), 1-minute, JTWC | Not recorded |
| 2020–21 | Unnamed cyclone · 2021 | Southwest Indian → Australian region | 35 kt (40 mph), 10-minute, BoM | 1000 hPa (BoM) |
| 1957–58 | Unnamed tropical depression · 1958 | Australian region | 30 kt (35 mph), 1-minute, JTWC | 1000 hPa (BoM) |
Ended on April 9
18 storms had their last recorded position on this date.
| Season | Storm | Ocean | Last position | Dates |
|---|---|---|---|---|
| 1999–00 | Cyclone Hudah | Australian region → Southwest Indian | 14.4°S, 38.2°E | Mar 22 to Apr 9, 2000 |
| 1994–95 | Cyclone Chloe | Australian region | 19.4°S, 124.2°E | Mar 29 to Apr 9, 1995 |
| 2025–26 | Cyclone Vaianu | South Pacific | 26.8°S, 179.0°E | Apr 5 to 9, 2026 |
| 1994 | Tropical storm Owen | Western Pacific | 18.5°N, 118.4°E | Mar 28 to Apr 9, 1994 |
| 1982–83 | Cyclone Lena | Australian region | 24.7°S, 126.5°E | Apr 2 to 9, 1983 |
| 1983–84 | Cyclone Lance | Australian region → South Pacific | 26.5°S, 160.0°E | Apr 3 to 9, 1984 |
| 2017–18 | Cyclone Iris | South Pacific → Australian region | 13.0°S, 154.6°E | Mar 22 to Apr 9, 2018 |
| 1974–75 | Cyclone Amelia | Australian region | 12.8°S, 133.0°E | Apr 6 to 9, 1975 |
| 2014 | Tropical storm Peipah | Western Pacific | 8.5°N, 130.4°E | Apr 2 to 9, 2014 |
| 2003–04 | Unnamed cyclone · 2004 | South Pacific | 20.6°S, 178.6°W | Apr 7 to 9, 2004 |
Show 8 more storms
| Season | Storm | Ocean | Last position | Dates |
|---|---|---|---|---|
| 1957–58 | Unnamed tropical depression · 1958 | Australian region | 14.0°S, 152.0°E | Apr 9, 1958 |
| 1957–58 | Unnamed storm · 1958 | Australian region → South Pacific | 17.0°S, 177.2°W | Apr 2 to 9, 1958 |
| 1920–21 | Unnamed storm · 1921 | Australian region → South Pacific | 28.4°S, 160.0°E | Apr 3 to 9, 1921 |
| 1920–21 | Unnamed storm · 1921 | Australian region | 34.6°S, 153.4°E | Apr 1 to 9, 1921 |
| 1944–45 | Unnamed storm · 1945 | Southwest Indian | 25.5°S, 59.2°E | Mar 28 to Apr 9, 1945 |
| 1921 | Unnamed storm · 1921 | North Indian | 15.2°N, 82.5°E | Apr 6 to 9, 1921 |
| 1912–13 | Unnamed storm · 1913 | Australian region | 29.3°S, 159.0°E | Apr 5 to 9, 1913 |
| 1885–86 | Unnamed storm · 1886 | Southwest Indian | 24.9°S, 54.9°E | Mar 31 to Apr 9, 1886 |
Also active on April 9
91 more storms were active on this date, the most notable first. Storms listed above are not repeated.
| Season | Storm | Ocean | Dates | Peak |
|---|---|---|---|---|
| 2020–21 | Cyclone Seroja | Australian region | Apr 2 to 12, 2021 | 65 kt · 10-minute (BoM) |
| 2022 | Tropical storm Megi | Western Pacific | Apr 8 to 13, 2022 | 40 kt · 10-minute (JMA) |
| 2019–20 | Cyclone Harold | Australian region → South Pacific | Apr 1 to 11, 2020 | 125 kt · 10-minute (FMS) |
| 2022–23 | Cyclone Ilsa | Australian region | Apr 5 to 15, 2023 | 125 kt · 10-minute (BoM) |
| 2013–14 | Cyclone Ita | Australian region → South Pacific | Apr 2 to 18, 2014 | 120 kt · 10-minute (BoM) |
| 2003 | Typhoon Kujira | Western Pacific | Apr 8 to 25, 2003 | 90 kt · 10-minute (JMA) |
| 1998–99 | Cyclone Evrina | Australian region → Southwest Indian | Mar 25 to Apr 10, 1999 | 110 kt · 10-minute (BoM) |
| 2016–17 | Cyclone Ernie | Australian region | Apr 4 to 11, 2017 | 120 kt · 10-minute (BoM) |
| 1995–96 | Cyclone Itelle | Southwest Indian | Apr 6 to 19, 1996 | 95 kt · 10-minute (Météo-France) |
| 1994–95 | Cyclone Marlene | Southwest Indian | Mar 28 to Apr 11, 1995 | 100 kt · 10-minute (Météo-France) |
| 1991–92 | Cyclone Irna | Australian region → Southwest Indian | Apr 5 to 20, 1992 | 110 kt · 10-minute (BoM) |
| 2004 | Typhoon Sudal | Western Pacific | Apr 2 to 18, 2004 | 90 kt · 10-minute (JMA) |
| 1992–93 | Cyclone Jourdanne | Australian region → Southwest Indian | Apr 1 to 10, 1993 | 90 kt · 10-minute (Météo-France) |
| 1981–82 | Cyclone Dominic | Australian region | Apr 4 to 14, 1982 | 115 kt · 10-minute (BoM) |
| 1967 | Typhoon Violet | Western Pacific | Mar 31 to Apr 12, 1967 | 120 kt · 1-minute (JTWC) |
| 1988–89 | Cyclone Lili | Australian region → South Pacific | Apr 6 to 13, 1989 | 80 kt · 10-minute (MetService NZ) |
| 2025–26 | Cyclone Maila | Australian region | Apr 4 to 11, 2026 | 124 kt · 1-minute (Real-time) |
| 2023–24 | Cyclone Olga | Australian region | Apr 4 to 11, 2024 | 110 kt · 10-minute (BoM) |
| 1980–81 | Cyclone Olga | Australian region → Southwest Indian → Australian region | Apr 4 to 18, 1981 | 95 kt · 10-minute (BoM) |
| 1976 | Typhoon Marie | Western Pacific | Apr 1 to 16, 1976 | 115 kt · 1-minute (JTWC) |
| 1993–94 | Cyclone Odille | Australian region → Southwest Indian | Mar 26 to Apr 17, 1994 | 95 kt · 10-minute (Météo-France) |
| 1968 | Typhoon Jean | Western Pacific | Apr 5 to 19, 1968 | 110 kt · 1-minute (JTWC) |
| 1984–85 | Cyclone Helisaonina | Southwest Indian | Apr 7 to 19, 1985 | 82 kt · 10-minute (Météo-France) |
| 1982–83 | Cyclone Veena | South Pacific | Apr 7 to 14, 1983 | 100 kt · 10-minute (MetService NZ) |
| 1990–91 | Cyclone Marian | Australian region | Apr 8 to 19, 1991 | 100 kt · 10-minute (BoM) |
Show 66 more storms
| Season | Storm | Ocean | Dates | Peak |
|---|---|---|---|---|
| 1988–89 | Cyclone Krisy | Southwest Indian | Mar 28 to Apr 11, 1989 | 82 kt · 10-minute (Météo-France) |
| 2022 | Typhoon Malakas | Western Pacific | Apr 6 to 18, 2022 | 90 kt · 10-minute (JMA) |
| 1978–79 | Cyclone Idylle | Southwest Indian → Australian region | Apr 4 to 20, 1979 | 95 kt · 10-minute (BoM) |
| 2001–02 | Cyclone Dianne | Australian region → Southwest Indian | Apr 5 to 13, 2002 | 80 kt · 10-minute (BoM) |
| 1981–82 | Cyclone Bernie | Australian region → South Pacific | Mar 31 to Apr 14, 1982 | 100 kt · 10-minute (BoM) |
| 1979 | Typhoon Cecil | Western Pacific | Apr 8 to 21, 1979 | 75 kt · 10-minute (JMA) |
| 2008–09 | Cyclone Jade | Southwest Indian | Apr 2 to 12, 2009 | 70 kt · 10-minute (Météo-France) |
| 1995–96 | Cyclone Hansella | Southwest Indian | Apr 2 to 11, 1996 | 65 kt · 10-minute (Météo-France) |
| 2014–15 | Cyclone Joalane | Southwest Indian | Apr 2 to 17, 2015 | 75 kt · 10-minute (Météo-France) |
| 2017–18 | Cyclone Keni | South Pacific | Apr 6 to 12, 2018 | 85 kt · 10-minute (FMS) |
| 1993–94 | Cyclone Vivienne | Australian region | Apr 5 to 13, 1994 | 85 kt · 10-minute (BoM) |
| 1977–78 | Cyclone Hal | Australian region → South Pacific | Apr 4 to 22, 1978 | 70 kt · 10-minute (MetService NZ) |
| 1974–75 | Cyclone Betty | South Pacific | Mar 30 to Apr 12, 1975 | 70 kt · 10-minute (MetService NZ) |
| 1971 | Typhoon Vera | Western Pacific | Apr 7 to 22, 1971 | 90 kt · 1-minute (JTWC) |
| 2012–13 | Cyclone Imelda | Southwest Indian | Apr 2 to 20, 2013 | 80 kt · 10-minute (Météo-France) |
| 1986–87 | Cyclone Kay | Australian region | Apr 6 to 17, 1987 | 60 kt · 10-minute (BoM) |
| 2012–13 | Cyclone Victoria | Australian region | Apr 6 to 12, 2013 | 75 kt · 10-minute (BoM) |
| 1966 | Typhoon Hester | Western Pacific | Apr 3 to 15, 1966 | 85 kt · 1-minute (JTWC) |
| 2000–01 | Cyclone Sose | South Pacific | Apr 3 to 12, 2001 | 60 kt · 10-minute (FMS) |
| 1987–88 | Cyclone Dovi | South Pacific | Apr 8 to 16, 1988 | 60 kt · 10-minute (MetService NZ) |
| 2002–03 | Cyclone Luma | Southwest Indian | Apr 8 to 12, 2003 | 70 kt · 10-minute (Météo-France) |
| 2001–02 | Cyclone Bonnie | Australian region | Apr 7 to 15, 2002 | 50 kt · 10-minute (BoM) |
| 2009–10 | Cyclone Robyn | Australian region → Southwest Indian | Apr 1 to 10, 2010 | 60 kt · 10-minute (BoM) |
| 2021–22 | Cyclone Fili | South Pacific | Apr 3 to 14, 2022 | 60 kt · 10-minute (FMS) |
| 2018–19 | Cyclone Wallace | Australian region | Apr 3 to 13, 2019 | 55 kt · 10-minute (BoM) |
| 1980 | Tropical storm Carmen | Central Pacific → Western Pacific → Central Pacific | Apr 3 to 12, 1980 | 60 kt · 10-minute (JMA) |
| 1992–93 | Cyclone Monty | Australian region | Apr 6 to 15, 1993 | 60 kt · 10-minute (BoM) |
| 1978–79 | Cyclone Stan | Australian region → South Pacific | Apr 3 to 17, 1979 | 35 kt · 10-minute (BoM) |
| 2005–06 | Cyclone Elia | Southwest Indian → Australian region → Southwest Indian | Apr 3 to 17, 2006 | 40 kt · 10-minute (Météo-France) |
| 1978–79 | Cyclone Jane | Australian region | Apr 7 to 13, 1979 | 50 kt · 10-minute (BoM) |
| 1977–78 | Cyclone Brenda | Australian region | Apr 5 to 14, 1978 | 50 kt · 10-minute (BoM) |
| 1988–89 | Cyclone Lezissy | Southwest Indian | Apr 4 to 11, 1989 | 44 kt · 10-minute (Météo-France) |
| 1966–67 | Cyclone Jackie | Australian region → Southwest Indian → Australian region | Apr 5 to 15, 1967 | 35 kt · 1-minute (JTWC) |
| 1987 | Tropical storm Percy | Western Pacific | Apr 3 to 16, 1987 | 45 kt · 10-minute (JMA) |
| 1980–81 | Cyclone Lisa | Southwest Indian | Apr 6 to 16, 1981 | 40 kt · 1-minute (JTWC) |
| 1963–64 | Storm Henrietta | South Pacific → Australian region → South Pacific | Mar 28 to Apr 10, 1964 | Not recorded |
| 1999–00 | Unnamed cyclone · 2000 | Southwest Indian | Apr 7 to 15, 2000 | 50 kt · 10-minute (Météo-France) |
| 2016–17 | Unnamed tropical depression · 2017 | Australian region | Apr 7 to 15, 2017 | 30 kt · 10-minute (BoM) |
| 1993 | Unnamed tropical depression · 1993 | Western Pacific | Apr 6 to 14, 1993 | 25 kt · 1-minute (JTWC) |
| 2016–17 | Unnamed cyclone · 2017 | South Pacific | Apr 4 to 11, 2017 | 40 kt · 1-minute (JTWC) |
| 1975–76 | Storm Gladys | Southwest Indian | Mar 27 to Apr 10, 1976 | Not recorded |
| 1971–72 | Storm Carol | Southwest Indian → Australian region | Apr 6 to 14, 1972 | Not recorded |
| 1968–69 | Unnamed tropical depression · 1969 | Australian region | Apr 8 to 15, 1969 | 30 kt · 1-minute (JTWC) |
| 1953–54 | Unnamed storm · 1954 | Australian region | Apr 8 to 10, 1954 | Not recorded |
| 1975–76 | Storm Bert | Southwest Indian | Apr 3 to 12, 1976 | Not recorded |
| 1967–68 | Storm Noreen | Southwest Indian | Apr 5 to 15, 1968 | Not recorded |
| 1961–62 | Storm Maud | Southwest Indian | Mar 30 to Apr 11, 1962 | Not recorded |
| 1958–59 | Unnamed storm · 1959 | Australian region | Apr 2 to 11, 1959 | Not recorded |
| 1943–44 | Unnamed storm · 1944 | Southwest Indian | Apr 1 to 13, 1944 | Not recorded |
| 1919–20 | Unnamed storm · 1920 | Australian region | Apr 6 to 13, 1920 | Not recorded |
| 1904–05 | Unnamed storm · 1905 | Southwest Indian | Mar 31 to Apr 11, 1905 | Not recorded |
| 1956–57 | Unnamed storm · 1957 | Australian region | Apr 6 to 11, 1957 | Not recorded |
| 1959–60 | Unnamed storm · 1960 | South Pacific | Apr 1 to 13, 1960 | Not recorded |
| 1957–58 | Unnamed storm · 1958 | Southwest Indian | Apr 4 to 10, 1958 | Not recorded |
| 1955–56 | Unnamed storm · 1956 | South Pacific | Apr 5 to 10, 1956 | Not recorded |
| 1953–54 | Unnamed storm · 1954 | Southwest Indian | Apr 8 to 13, 1954 | Not recorded |
| 1950 | Unnamed storm · 1950 | North Indian | Apr 7 to 12, 1950 | Not recorded |
| 1947–48 | Unnamed storm · 1948 | Australian region | Apr 8 to 14, 1948 | Not recorded |
| 1942 | Unnamed storm · 1942 | Western Pacific | Apr 8 to 13, 1942 | Not recorded |
| 1938 | Unnamed storm · 1938 | Western Pacific | Apr 5 to 12, 1938 | Not recorded |
| 1931–32 | Unnamed storm · 1932 | Southwest Indian | Apr 6 to 13, 1932 | Not recorded |
| 1919–20 | Unnamed storm · 1920 | Southwest Indian | Apr 1 to 10, 1920 | Not recorded |
| 1918–19 | Unnamed storm · 1919 | Australian region | Apr 5 to 10, 1919 | Not recorded |
| 1917–18 | Unnamed storm · 1918 | Australian region | Apr 8 to 12, 1918 | Not recorded |
| 1918 | Unnamed storm · 1918 | Western Pacific | Apr 8 to 17, 1918 | Not recorded |
| 1885–86 | Unnamed storm · 1886 | Southwest Indian | Apr 1 to 12, 1886 | Not recorded |
Questions about April 9
What is the strongest storm on record on April 9?
Of the storms active on April 9, Typhoon Sinlaku (2026) had the highest peak wind recorded by a U.S. agency: 154 kt (177 mph), 1-minute sustained (Real-time). That is the storm's peak over its whole life, which may fall on another day. Agencies that average wind over 10 minutes report lower numbers for the same storm.
Has a storm ever made landfall on April 9?
Yes. 6 storms on record came ashore on April 9. The most recent was Unnamed tropical storm · 1999 (1999): coast crossing (estimated) near 13.5°N, 123.8°E. Some coast crossings are estimated from the track, and each one is labelled.
How many storms were active on April 9?
150 storms on record were active on April 9, in 86 different years from 1886 to 2026. The count uses calendar dates in UTC and covers every ocean basin in NOAA's IBTrACS archive and the National Hurricane Center's HURDAT2.
Replay every April 9 storm on its track. See the whole track, the wind at each step and the agency that measured it, on your phone.
Get it on Google PlaySources. Storm tracks and events from NOAA's best-track archives, exactly as the Hurricane Calendar app shows them. Dates are calendar dates in UTC. Each wind speed keeps the agency that recorded it and its averaging period; nothing is converted between agencies. A missing value is shown as not recorded, never as zero. Storms that may still have been active when the archive was updated are left out.
- International Best Track Archive for Climate Stewardship (IBTrACS) v04r01, all basins (CSV), NOAA National Centers for Environmental Information (NCEI). Retrieved 2026-09-26.
- HURDAT2 Atlantic hurricane database, 1851-2025 (released 2026-09-12), NOAA National Hurricane Center (NHC). Retrieved 2026-09-26.
- HURDAT2 Northeast and North Central Pacific hurricane database, 1949-2025 (released 2026-09-14), NOAA National Hurricane Center (NHC) and Central Pacific Hurricane Center (CPHC). Retrieved 2026-09-26.