When the Wind Blew in from France: A Century Since the Jura Tornado

Nature rarely respects national borders, a fact the Swiss Jura learned rather violently a century ago. On June 12, 1926, a meteorological anomaly swept in from France, bringing absolute chaos to an otherwise orderly landscape. The locals, perhaps lacking the vocabulary for a phenomenon more common to the American Midwest, dubbed it the cyclone. It was, by modern meteorological definitions, a tornado, and it spent less than thirty minutes demonstrating how quickly structural integrity yields to atmospheric pressure.

The storm carved a twenty-three-kilometer path of destruction across the Neuchâtel and Bernese Jura, hitting the regions of La Chaux-de-Fonds and La Ferrière with particular ferocity. Two hundred and forty-six farms were heavily damaged, ancient trees were reduced to splinters, and livestock perished in high numbers. The human toll was mercifully low, though an eight-year-old boy was killed by flying debris. The Swiss Storm Archive estimates the historical damage at up to four million francs, translating to roughly ten million francs in today's robust, inflation-resistant currency.

The brunt of the devastation fell upon the Anabaptist communities in what is now the La Chaux-d'Abel nature reserve. These religious refugees, originally driven out of the canton of Bern in the late sixteenth century, had spent generations cultivating the unforgiving high-altitude terrain. Their reward for centuries of quiet, industrious agricultural labor was a sudden, violent leveling of their homesteads. Yet, in true Swiss fashion, the catastrophe was met not with prolonged despair, but with highly organized solidarity and prompt financial mobilization.

An Anabaptist monthly publication reported extensively on the ruined farms and dead livestock, immediately initiating a donation drive for the affected families. Accounts from survivors highlight both the terror and the pragmatic survival instincts of the era. One local schoolmaster reportedly weathered the storm inside a beehive, using the hives' heat pads to shield his face from flying glass, while his family took refuge in a vaulted cellar. When the winds subsided, the recovery effort began. Fueled by insurance payouts and community funds, local infrastructure like the village school was rebuilt to a standard higher than before the storm struck.

Interestingly, the disaster also revealed that human nature has remained entirely static over the past century. Almost immediately after the storm passed, a wave of disaster tourists descended upon the Jura. Spectators arrived in early automobiles, armed with cameras to gawk at the wreckage. This early form of voyeurism resulted in an unusually well-documented catastrophe. Photographs were mass-produced as postcards, and fifty seconds of rare film footage captured the extent of the ruins just days after the event.

Now, a century later, the Anabaptist Heritage Foundation is revisiting this brief interruption of Swiss tranquility. An exhibition hosted at the Anabaptist Archive in Jeanguisboden, curated by Nelly Gerber-Geiser, runs until November 1, 2026. It offers a meticulously archived look back at a time when the Jura was briefly at the mercy of the elements, long before the region settled back into its customary, prosperous calm.

Written by Thomas Nussbaumer thomas.nussbaumer@alpineweekly.com