Worst Tornado In Colorado: The Tragic 1924 Thurman Disaster

May 21, 2024

On August 10th, 1924, Colorado experienced a devastating tornado that left an indelible mark on the state's history. Occurring around 2:45 pm, this tornado developed west southwest of Thurman, Colorado, and tracked east northeast, significantly affecting the Kuhns farm located 4 miles east northeast of Thurman. The tornado tragically resulted in the death of 11 people, including 9 children aged between 1 to 15 years. This event stands as the deadliest tornado in Colorado's history, with another victim succumbing to injuries four months later.

EF Rating and Characteristics

The tornado that struck Thurman in 1924 was estimated to have been an EF4 on the Enhanced Fujita (EF) Scale. This scale classifies tornadoes based on wind speed and the damage they cause:

  • EF0: Weak, 65-85 mph
  • EF1: Moderate, 86-110 mph
  • EF2: Significant, 111-135 mph
  • EF3: Severe, 136-165 mph
  • EF4: Extreme, 166-200 mph
  • EF5: Catastrophic, 200+ mph

For the Thurman tornado, it is estimated that wind speeds ranged from 166 to 200 mph. The tornado's path length was approximately 10 miles, though its maximum width remains uncertain, with estimates ranging from 200 yards to 1/2 mile.

Track of the Tornado

Developed Area and Path

The tornado began about 3 miles west southwest of Thurman and moved east northeast, causing major damage along its path. The most significant destruction occurred at the Kuhns farm, where the majority of fatalities were reported.

Farm Location

The Kuhns farm was situated roughly 4 miles east northeast of Thurman, which bore the brunt of the tornado's wrath. Several lives were lost at this location, marking a sorrowful chapter in the region's history.


Most victims were laid to rest in a local cemetery that still exists today, serving as a reminder of the tragic event.

Additional Tornado Activity

On the same day, at least one additional tornado was reported north of Thurman before the main event. This highlights the severe weather conditions prevalent on that day, further emphasizing the magnitude of the primary tornado.

Historic Significance

The 1924 Thurman tornado remains a poignant example of the extreme weather events that can affect Colorado. This EF4 tornado is a stark reminder of the deadly potential of such natural disasters and underscores the importance of advancements in emergency response and weather forecasting.

Event Details

The timeline of this event, from its initial development to dissipation, reflects the rapid and destructive nature of tornadoes. Highlighting the number of casualties, particularly the loss of young children, serves to humanize the tragic impact of this disaster.

Enhanced Fujita Scale

The EF Scale remains a crucial tool in classifying tornadoes, helping communities understand the potential damage associated with different categories. The severity of an EF4 tornado is evident in the extensive damage and high wind speeds it entails.

Community Impact

The immediate and long-term effects on the Thurman community were significant. The local cemetery, where the victims were buried, stands as a testament to the lives lost and reminds us of the importance of preparation and resilience in the face of natural disasters.

Newspaper Reports

Historical newspaper articles and citizen accounts have been instrumental in reconstructing the details of the 1924 tornado. These sources provide invaluable insights, despite some discrepancies in estimates such as the tornado's maximum width.

Broader Context

By comparing this event to other notable tornadoes in the U.S., we can appreciate the advancements in tornado detection and warning systems that have occurred over time. These improvements help mitigate the impacts of such devastating events and enhance community preparedness and response.

In conclusion, the 1924 Thurman tornado serves as a crucial part of Colorado's meteorological history. Understanding its severity and impact helps us appreciate the importance of continuous advancements in weather forecasting and emergency management. Through historical analysis and learning from past events, we can better prepare for and respond to future severe weather occurrences.

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