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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Patterson, 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 Patterson, California since records began in 1851. Since 1950, 17 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.

Hurricanes
0

within 75 mi, since 1851

Tropical storms
0

below hurricane strength

Tornadoes
17

within 25 mi, since 1950

EF3 or stronger
0

no recorded deaths

What the records show for Patterson

The strongest of the 17 tornadoes within 25 miles was an F2 on April 27, 1953; its path came within 14 miles. Of the 17, none had a path within 5 miles of the city centre, and 9 have come since 2000. April has had the most tornadoes, 8. The most recent tornado was on April 1, 2025. Patterson has more tornadoes within 25 miles than 57% of the 705 California cities on this site. Hail has been reported within 10 miles once, in 1994, with stones of 1 inch (quarter size). Of the 705 California cities, 72% have more hail reports within 10 miles than Patterson.

Compare Patterson's storm record with another city →

Tornadoes within 25 miles of Patterson

By decade

  • 2020s1
  • 2010s3
  • 2000s5
  • 1990s2
  • 1970s3
  • 1960s1
  • 1950s2
Strongest tornadoes near Patterson, California
DateRatingDistancePathKilled / injured
Apr 27, 1953F214 mi0.1 mi0 / 0
Nov 15, 2015EF119 mi3.04 mi0 / 0
Apr 14, 2006F114 mi0.5 mi0 / 0
Mar 4, 1978F117 mi1 mi0 / 1
Mar 4, 1978F120 mi2.5 mi0 / 0
Mar 1, 1978F118 mi1.5 mi0 / 0
Apr 1, 1958F120 mi2 mi0 / 0
Apr 1, 2025EF017 mi0.9 mi0 / 0
Apr 27, 2016EF024 mi0.1 mi0 / 0
Dec 24, 2015EF014 mi0.23 mi0 / 0
Dec 26, 2005F024 mi0.3 mi0 / 0
Apr 8, 2005F023 mi1.2 mi0 / 0

The strongest 12 of 17, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Patterson

The Storm Prediction Center has one hail report within 10 miles of Patterson, from May 18, 1994: 1 inch (quarter size).

Source: NOAA Storm Prediction Center severe weather reports, data through 2025.

Radar-estimated hail days in Patterson since 2019 →

Weather by month in Patterson

The nearest NOAA station with 1991–2020 climate normals is Modesto City Co Airport, CA, 15 miles northeast of Patterson at 73 feet. July is the warmest, with an average high of 95°F and low of 63°F; December is the coolest, at 56°F and 39°F. January is the wettest at 2.6 inches of precipitation on average and July and August the driest at 0.0 inches; the year adds up to 12.5 inches over 30 days with at least a tenth of an inch. Highs reach 90°F on about 90 days a year, almost all from April to October. Lows fall below freezing on about 12 nights a year. That 12.5 inches is more than at 74 of the 226 California stations used on this site (33%). Newman, 13 miles southeast, has its own station (Newman, CA): 11.8 inches a year, 0.7 less than here, and a July average high of 100°F against 95°F.

Monthly climate normals 1991–2020 at Modesto City Co Airport, CA
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"
Jan56392.66
Feb62422.26
Mar68451.85
Apr74481.03
May82540.72
Jun90590.20
Jul95630.00
Aug94620.00
Sep89590.10
Oct79520.61
Nov66431.13
Dec56392.26
Year765012.530

Averages for 1991–2020 at Modesto City Co Airport, CA (73 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.

California weather by month, station by station →

Flood insurance claims, disaster declarations and FEMA risk ratings

Flood insurance policyholders in Patterson's ZIP code 95363 have filed 39 claims with the National Flood Insurance Program since 1983, and were paid $302,000 for buildings and contents, in the dollars of each year. The most came from Pineapple Express - Southern in 1998: 20 claims (51% of all) and $194,000. 72% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 415 California cities on this site with 10 or more claims, 199 have fewer than Patterson.

Flood insurance claims in Patterson by named event
EventClaimsPaid
Pineapple Express - Southern199820$194,000

Stanislaus County, which includes Patterson, has been named in 20 federal disaster or emergency declarations since 1964, 14 of them major disasters (by incident: 6 floods, 5 severe storms, 2 biological emergencies, 2 fires). The latest major disaster declaration was Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides, on April 3, 2023. FEMA's National Risk Index gives Stanislaus County a Relatively High rating for natural hazard risk overall; by hazard: Relatively High for inland flooding and lightning; Relatively Moderate for heat waves; Relatively Low for tornadoes, hail and strong wind. It models the county's expected loss from all 18 hazards it covers at $264.9 million a year, the 21st highest of 58 California counties; of the hazards above, the largest share, $94.2 million (36%), 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 Patterson