NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Anza, CA
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
No tropical storm or hurricane has passed within 75 miles of Anza, California since records began in 1851. Since 1950, 5 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 5
- 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 Anza
The strongest of the 5 tornadoes within 25 miles was an F1 on July 20, 1974; its path came within 21 miles. Of the 5, one had a path within 5 miles of the city centre, and 3 have come since 2000. The most recent tornado was on August 16, 2018. Of the 705 California cities on this site, 79% have more tornadoes within 25 miles than Anza. Hail has been reported within 10 miles once, in 2004, with stones of 0.88 inches (nickel size). Of the 705 California cities, 72% have more hail reports within 10 miles than Anza.
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Tornadoes within 25 miles of Anza
By decade
- 2010s1
- 2000s2
- 1990s1
- 1970s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jul 20, 1974 | F1 | 21 mi | 1 mi | 0 / 1 |
| Aug 16, 2018 | EF0 | 1 mi | 0.24 mi | 0 / 0 |
| Jul 23, 2005 | F0 | 20 mi | 2 mi | 0 / 0 |
| Jan 9, 2005 | F0 | 21 mi | 0.1 mi | 0 / 0 |
| Aug 12, 1994 | F0 | 19 mi | 0.1 mi | 0 / 0 |
The strongest 5 of 5, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Anza
The Storm Prediction Center has one hail report within 10 miles of Anza, from July 24, 2004: 0.88 inches (nickel size).
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Anza
The nearest NOAA station with 1991–2020 climate normals is Idyllwild Fire Dept, CA, 14 miles north of Anza at 5,380 feet. August is the warmest, with an average high of 86°F and low of 55°F; December is the coolest, at 54°F and 30°F. February is the wettest at 5.4 inches of precipitation on average and June the driest at 0.1 inches; the year adds up to 24.6 inches over 35 days with at least a tenth of an inch. Highs reach 90°F on about 18 days a year, almost all from June to September. Lows fall below freezing on about 107 nights a year. Snowfall averages 30.7 inches a year, most of it in February. That 24.6 inches is more than at 165 of the 226 California stations used on this site (73%). Aguanga, 10 miles southwest, has its own station (Palomar Mountain Obsy, CA): 30.5 inches a year, 5.9 more than here, and an August average high of 84°F against 86°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 55 | 31 | 4.7 | 6 | 6.3 |
| Feb | 55 | 30 | 5.4 | 7 | 9.8 |
| Mar | 59 | 32 | 3.3 | 5 | 4.1 |
| Apr | 64 | 35 | 1.7 | 3 | 3.5 |
| May | 71 | 41 | 0.7 | 1 | 0.5 |
| Jun | 80 | 48 | 0.1 | 0 | 0.0 |
| Jul | 85 | 55 | 0.5 | 1 | 0.0 |
| Aug | 86 | 55 | 0.6 | 1 | 0.0 |
| Sep | 81 | 50 | 0.8 | 1 | 0.0 |
| Oct | 72 | 42 | 1.2 | 2 | 0.0 |
| Nov | 62 | 35 | 1.9 | 3 | 2.3 |
| Dec | 54 | 30 | 3.7 | 5 | 4.2 |
| Year | 69 | 40 | 24.6 | 35 | 30.7 |
Averages for 1991–2020 at Idyllwild Fire Dept, CA (5,380 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 Anza
Since 1996, the National Weather Service has logged 16 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Anza: 8 heavy rain events, 6 flash floods, 1 flood and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $521,000 in property and crop damage. August has had the most flash floods, 3 of 6. Of the 550 California cities on this site with a flash flood on record, 202 have had fewer than Anza.
September 5, 2013: flash flood 10 miles from the centre of Anza — $500,000 damage.
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
Riverside County, which includes Anza, has been named in 66 federal disaster or emergency declarations since 1965, 31 of them major disasters (by incident: 38 fires, 13 floods, 7 severe storms, 2 biological emergencies). The latest major disaster declaration was Tropical Storm Hilary, on November 21, 2023. FEMA's National Risk Index gives Riverside County a Very High rating for natural hazard risk overall; by hazard: Very High for inland flooding; Relatively High for heat waves; Relatively Moderate for tornadoes, hail, strong wind and lightning; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $2.27 billion a year, the 2nd highest of 58 California counties; of the hazards above, the largest share, $1.13 billion (50%), 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 Anza
- Aguanga, CA10 mi
- Idyllwild, CA14 mi
- Palm Springs, CA21 mi
- Rancho Mirage, CA21 mi
- Hemet, CA21 mi
- Cathedral City, CA21 mi
- Indian Wells, CA22 mi
- Palm Desert, CA22 mi
- La Quinta, CA23 mi
- San Jacinto, CA24 mi
- Winchester, CA24 mi
- Temecula, CA25 mi
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