Porterville, CA Tornado History — 5 Tornadoes Since 1950
How many tornadoes has Porterville, CA had?
Porterville has had 5 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Porterville?
The most recent tornado within 25 miles of Porterville was an EF0 on November 9, 2012.
When is tornado season in Porterville?
January is historically the peak month for tornadoes near Porterville, with 1 on record. Spring through early summer (April–June) generally sees the highest activity across most of the central and southern United States.
At a Glance
Recent Tornado Activity Near Porterville
The last 20 years of confirmed tornadoes within 25 miles — 1 total, averaging 0.1 per year over this window.
Preliminary tornado reports near Porterville since December 29, 2025
These is a preliminary report, not confirmed tornadoes. It has not yet been through an NWS damage survey, and is not counted in the confirmed totals above.
Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.
Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.
Within 25 miles of Porterville. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Have any tornadoes near Porterville been fatal?
No fatalities are on record within 25 miles of Porterville from any of the 5 tornadoes since 1950. NOAA Storm Prediction Center records.
Notable Tornadoes Near Porterville
About Tornadoes in Porterville
This overview was written April 23, 2026. The tornado counts and notable-event figures elsewhere on this page reflect the latest data and may differ from this summary.
Porterville, California has experienced relatively modest tornado activity since comprehensive record-keeping began in 1950, with five tornadoes documented within 25 miles of the city according to the NOAA Storm Prediction Center. All five events were rated EF0, the weakest category on the Enhanced Fujita scale, which measures tornado intensity based on damage to structures and vegetation. The EF0 designation indicates estimated wind speeds between 65 and 85 mph, typically causing minor damage such as broken tree branches and damage to roof shingles or siding.
The majority of Porterville's tornado activity occurred during the 1990s, when four tornadoes were recorded in the area. A fifth tornado touched down in November 2012, marking the most recent event on record. None of these tornadoes resulted in fatalities. The costliest tornado occurred on May 13, 1995, causing $275,000 in property damage along a 2.5-mile path with a maximum width of 10 yards. By contrast, the most recent tornado on November 9, 2012, traveled just 0.3 miles with a maximum width of 30 yards and caused no reported property damage.
The longest-tracked tornado in the area's recorded history occurred on January 20, 1997, covering a three-mile path, though it remained narrow at just 10 yards wide and caused no property damage or injuries. January has been identified as the peak month for tornado activity near Porterville, with one event recorded during that month. This timing differs from the traditional spring peak seen in many parts of the United States, reflecting California's unique weather patterns where winter storm systems can occasionally produce weak tornadoes.
While tornadoes remain relatively rare events in the Porterville area compared to regions with more frequent severe weather, the historical record demonstrates that they can occur. The consistent EF0 ratings across all documented events suggest that atmospheric conditions in this part of California's Central Valley typically do not support the development of stronger tornadoes, though residents should remain aware that tornado formation remains possible under the right meteorological circumstances.