Worst Tornadoes In Oregon: Historical Data & Safety Tips

June 1, 2024

The restoration of power across Florida is an urgent task. A valuable resource provides a detailed guideline showing the percentage of power outages in each county. This resource allows users to click on individual counties to access more detailed information.

"October 14, 2016, Manzanita, Oregon, tornado track" by Open Street Map contributors is licensed under CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/.

Interactive Map

An interactive map offers a visual guide to the power situations across different counties in Florida. The map can be expanded to show data for other states in the US. While the map information is updated regularly, the specific last update date was not provided.

Broader Context of Tornadoes

The interactive map also has the potential to include data and trends regarding deadly tornadoes from 1950 to 2024, offering a comprehensive overview of tornado activity over the years.

Tornado Intensity Classification

Tornadoes are classified using the Enhanced Fujita Scale (EF Scale), which measures a tornado's strength based on the damage it causes:

  • EF0: Light Damage (40 – 72 mph)
  • EF1: Moderate Damage (73 – 112 mph)
  • EF2: Significant Damage (113 – 157 mph)
  • EF3: Severe Damage (158 – 206 mph)
  • EF4: Devastating Damage (207 – 260 mph)
  • EF5: Incredible Damage (261 – 318 mph)

The highest value of the EF Scale is recorded for each tornado event based on the observed damage.

Data Sources

The information provided is derived from the National Oceanic and Atmospheric Administration (NOAA).

Historical Tornado Data in Oregon

A historical timeline of all tornado occurrences in Oregon from 1950 onwards details the date and location of each event. A link is available for further research listing "worst" tornadoes across Oregon and other states. For tornado activity post-2012, users are directed to the NCDC Storm Events page.

County-Specific Data & Research Tools

Each county page includes detailed data on tornado events, such as:

  • Tornado ID number
  • Date and time of occurrence
  • Event number
  • Number of deaths and/or injuries
  • F-Scale or EF-Scale rating
  • Beginning and ending map coordinates

Users can copy these coordinates into Google Maps to visualize the tornado's path. This feature facilitates understanding the impact area within each county. Counties not listed indicate no official tornado records during the specified period.

National Tornado Trends

The year 2023 has been notably active for tornadoes in the US, significantly surpassing the average for this time of year. A peak was observed on a single day, March 31, with 163 tornadoes across the Midwest and South. Tornado activity is most frequent in spring and early summer, tapering off in late summer, with a smaller resurgence in the fall, especially in Gulf Coast states.

Tornado Statistics in Oregon

Oregon counties analyzed for tornado activity since 2000 show rankings based on the number of tornadoes per 100 square miles, excluding counties with fewer than five tornadoes:

  • Umatilla County: 5 tornadoes (0.16 per 100 square miles), National rank: #2,064
  • Clackamas County: 5 tornadoes (0.27 per 100 square miles), National rank: #2,039
  • Marion County: 5 tornadoes (0.42 per 100 square miles), National rank: #1,996

Regional Trends and Safety Measures

The shift in Tornado Alley, likely due to climate change, predicts the Southeast will become more tornado-prone. Considering the area's high population density and concentration of mobile homes, tornado-related fatalities and damage may increase. Multiple modes of receiving storm updates—like social media, radio, television, and sirens—are essential. When a tornado warning is issued, seek immediate shelter in a basement or an interior room without windows.

Preparedness Tips for Tornado-Prone Areas

Knowledge and readiness can mitigate the dangers posed by tornadoes. Staying informed through updated resources and following safety protocols can save lives, especially in regions with higher tornado activity.

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