On this day in 1922, DC endured one of the most extraordinary and tragic weather events in its history: the Knickerbocker snowstorm. The storm combined record-breaking snowfall with a devastating structural collapse that remains the deadliest disaster in the city’s history.
The storm began the evening of Jan. 27, 1922, as snow spread across the Mid-Atlantic and intensified over the DC area. It did not stop until the morning of Jan. 29, piling up to a depth of 28 inches, the single-storm snowfall record for DC that still stands today. In total, 21 inches fell during the calendar day of Jan. 28 alone, also a record for the city.
What made the storm particularly remarkable was its persistence and intensity. Snow fell at rates exceeding one inch per hour for more than 24 hours, an extraordinary duration even by major East Coast storm standards.The storm’s slow movement and access to Atlantic moisture allowed it to continuously regenerate bands of heavy snow over the region. The result was a prolonged barrage that overwhelmed the city.
As the snow piled higher, conditions quickly became dangerous. Streets were impassable, transportation ground to a halt, and buildings across the city were subjected to the immense weight of the accumulating snow. Many flat-roofed structures struggled under the load, but one collapse would prove catastrophic.
On the evening of Jan. 28, hundreds of people gathered at the Knickerbocker Theatre in northwest Washington to watch a silent film. As the storm raged outside, snow continued to accumulate on the theater’s roof. The weight of the record-breaking snowfall proved too much. The heavy steel-and-plaster roof suddenly gave way, crashing down onto the audience below.
The collapse killed 98 people and injured 133 others. Rescue efforts were immediate but challenging, as deep snow and ongoing snowfall hampered access to the site. Soldiers, firefighters, and volunteers worked through the night in frigid conditions, digging through debris and snow in search of survivors. The tragedy shocked the city and the nation.
In the aftermath, investigations pointed to a combination of structural weaknesses and the unprecedented weight of the snow. The disaster led to changes in building codes and greater attention to snow load standards, particularly for large public structures.
More than a century later, the Knickerbocker storm stands as both a meteorological benchmark and a somber reminder of the risks posed by extreme weather. While DC has seen other significant snowstorms since, including blockbusters in 2010 and 2016, none have matched the 1922 storm’s combination of intensity, duration and human toll.
Read more coverage about the Knickerbocker storm at these links:
- How the Knickerbocker snowstorm became D.C.’s deadliest disaster
- Remembering the 100th anniversary of Washington’s Knickerbocker theater disaster
- Knickerbocker snowstorm short stories
- The Knickerbocker snowstorm: Inside insights on D.C.’s deadliest disaster
- 98 people died in the Knickerbocker collapse. Courts never found whom to blame.
- The crushing Knickerbocker snowstorm and rise of The Washington Post’s John Jay Daly
- Knickerbocker stories: The story of Agnes Mellon
- Knickerbocker stories: The story of David Lyman Jr.
- Knickerbocker stories: The final performance and Ernesto Natiello
- Haunting faces, scenes and stories from the Knickerbocker Theater roof crash
Here are other notables for the day:
- Average high: 45
- Average low: 30
- Record high: 73 (1949)
- Record low: Minus-2 (1935)
- Record precipitation: 2.15 inches (1922)
- Record snowfall: 21 inches (1922)
