NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Anamosa, IA
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
1 tropical system has passed within 75 miles of Anamosa, Iowa since 1851, 0 of them at hurricane strength; the most recent was an unnamed storm in 1900. Since 1950, 145 tornadoes have touched down within 25 miles, 9 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 1
- Tornadoes
- 145
- EF3 or stronger
- 9
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
1 deaths in all
What the records show for Anamosa
None of the 1 tropical systems was at hurricane strength as it passed Anamosa; the strongest was an unnamed storm in 1900, a tropical storm with 49 mph winds when its centre passed 18 miles away. Anamosa is tied for the most tropical storms and hurricanes within 75 miles among the 241 Iowa cities on this site. The highest rating among the 145 tornadoes within 25 miles is F4, reached 3 times; the most recent, on March 13, 1990, came within 11 miles. The deadliest, an F3 on April 23, 1961, killed 1 person. Of the 145, 7 had paths within 5 miles of the city centre, and 71 have come since 2000. May has had the most tornadoes, 34. The most recent tornado was on July 11, 2025. Anamosa has more tornadoes within 25 miles than 70% of the 241 Iowa cities. Hail has been reported within 10 miles 83 times since 1968, with stones up to 3 inches (tea cup size). Of the 241 Iowa cities, 57% have more hail reports within 10 miles than Anamosa.
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Tropical storms and hurricanes near Anamosa
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 1900 | Unnamed 1900 stormSep 11 | 18 mi | Tropical storm (49 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Anamosa: 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 Anamosa
By decade
- 2020s29
- 2010s22
- 2000s20
- 1990s31(4 EF3+)
- 1980s18
- 1970s7(2 EF3+)
- 1960s11(1 EF3+)
- 1950s7(2 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Mar 13, 1990 | F4 | 11 mi | 19 mi | 0 / 0 |
| Aug 12, 1974 | F4 | 20 mi | 5 mi | 0 / 12 |
| Apr 30, 1954 | F4 | 22 mi | 80.4 mi | 0 / 0 |
| Apr 23, 1961 | F3 | 9 mi | 87.7 mi | 1 / 12 |
| May 15, 1998 | F3 | 19 mi | 47 mi | 0 / 47 |
| Jul 27, 1995 | F3 | 24 mi | 20 mi | 0 / 0 |
| Jul 13, 1992 | F3 | 9 mi | 5 mi | 0 / 0 |
| Jul 12, 1971 | F3 | 17 mi | 0.1 mi | 0 / 2 |
| May 20, 1953 | F3 | 5 mi | 38.6 mi | 0 / 7 |
| Jul 11, 2025 | EF2 | 17 mi | 6.74 mi | 0 / 0 |
| Mar 31, 2023 | EF2 | 20 mi | 16.42 mi | 0 / 0 |
| Mar 31, 2023 | EF2 | 15 mi | 8.97 mi | 0 / 0 |
The strongest 12 of 145, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Anamosa
The Storm Prediction Center has 83 hail reports within 10 miles of Anamosa since 1968, made on 53 separate days. Of these, 49 were 1 inch across or larger, and 5 reached 2 inches. The largest, 3 inches (tea cup size), fell on September 20, 2001. The most recent report is from May 27, 2024. May has the most reports, 28.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Anamosa
The nearest NOAA station with 1991–2020 climate normals is Anamosa 1 WNW, IA, 1 mile west of Anamosa at 805 feet. July is the warmest, with an average high of 83°F and low of 62°F; January is the coolest, at 27°F and 9°F. June is the wettest at 5.8 inches of precipitation on average and January the driest at 1.5 inches; the year adds up to 40.2 inches over 72 days with at least a tenth of an inch. Highs reach 90°F on about 13 days a year, almost all from June to August. Lows fall below freezing on about 152 nights a year. That 40.2 inches is more than at 120 of the 124 Iowa stations used on this site (97%). Springville, 9 miles west, has its own station (Cedar Rapids #1, IA): 38.8 inches a year, 1.4 less than here, and a July average high of 86°F against 83°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 27 | 9 | 1.5 | 4 |
| Feb | 32 | 12 | 1.6 | 4 |
| Mar | 45 | 25 | 1.8 | 5 |
| Apr | 59 | 36 | 4.0 | 8 |
| May | 70 | 47 | 4.8 | 8 |
| Jun | 80 | 58 | 5.8 | 9 |
| Jul | 83 | 62 | 5.2 | 7 |
| Aug | 81 | 59 | 4.5 | 7 |
| Sep | 75 | 50 | 3.7 | 6 |
| Oct | 61 | 38 | 3.2 | 5 |
| Nov | 46 | 26 | 2.3 | 4 |
| Dec | 33 | 16 | 1.8 | 5 |
| Year | 58 | 36 | 40.2 | 72 |
Averages for 1991–2020 at Anamosa 1 WNW, IA (805 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 Anamosa
Since 1996, the National Weather Service has logged 151 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Anamosa: 132 thunderstorm wind reports, 10 floods and 9 flash floods. None is recorded as killing or injuring anyone; the NWS estimated $17.5 million in property and crop damage. The strongest thunderstorm gust on record here was 125 mph, on August 19, 2009. June has had the most flash floods, 6 of 9. Of the 240 Iowa cities on this site with a flash flood on record, 66 have had fewer than Anamosa.
July 25, 2010: flood 7 miles from the centre of Anamosa — $10.0 million damage.
NWS: “Several homes flooded in Olin. The extent of the flooding was blamed at least in part on a levee break along a creek north of town that was intended to divert the creek waters into the Wapsipinicon River.”
June 1, 2008: flood 4 miles from the centre of Anamosa — $5.0 million damage.
NWS: “18 feet. Flood stage is 14 feet.”
June 12, 2008: flash flood 1 mile from the centre of Anamosa — $500,000 damage.
NWS: “A levee failed along the Wapsipinicon River on the southwest side of Anamosa, IA below the County Rd E34 bridge around 9:16 pm June 12. Flash flooding resulted on the southwest side of Anamosa, IA.”
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 Anamosa's ZIP code 52205 have filed 26 claims with the National Flood Insurance Program since 1997, and were paid $325,000 for buildings and contents, in the dollars of each year. The year with the most claims was 2008, with 12. 8% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 91 Iowa cities on this site with 10 or more claims, 33 have fewer than Anamosa.
Jones County, which includes Anamosa, has been named in 22 federal disaster or emergency declarations since 1968, 20 of them major disasters (by incident: 10 severe storms, 8 floods, 2 biological emergencies, 1 hurricane). The latest major disaster declaration was Severe Storms, on August 17, 2020. FEMA's National Risk Index gives Jones County a Very Low rating for natural hazard risk overall; by hazard: Relatively Moderate for strong wind; Relatively Low for tornadoes, hail and inland flooding; Very Low for hurricanes, lightning and heat waves. It models the county's expected loss from all 18 hazards it covers at $16.1 million a year, the 29th highest of 99 Iowa counties; of the hazards above, the largest share, $9.1 million (57%), 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 Anamosa
- Monticello, IA9 mi
- Springville, IA9 mi
- Central City, IA13 mi
- Lisbon, IA14 mi
- Mount Vernon, IA15 mi
- Marion, IA16 mi
- Cascade, IA19 mi
- Robins, IA20 mi
- Ely, IA21 mi
- Hiawatha, IA21 mi
- Cedar Rapids, IA22 mi
- Solon, IA24 mi
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