Winter’s Quiet Mystery in a Dutch Village
The Netherlands experienced a harsh winter, blanketing red-brick homes and narrow streets with thick, heavy snow. For most residents, it was just another season to admire the beauty and complain about icy sidewalks. But in one small village, neighbors spotted something unusual.
The One Roof Without Snow
All houses on the street wore a frosty white coat — except one. No matter how long the snow lasted, this house’s roof remained mysteriously bare. While the neighborhood stayed blanketed, this roof looked untouched by winter. At first, neighbors thought it might be due to renovations or special insulation. However, after several snowstorms, the bare roof stood out too much to ignore.
A Clue Known to Dutch Police
Residents called the police. In the Netherlands, officers are trained to watch for “snow-free roofs” during winter. Why? Because such roofs often indicate large-scale ca*nabis cultivation.
Heat Reveals the Secret
Indoor ca*nabis farms require powerful lamps, heaters, and ventilation. These devices produce intense heat, which escapes upward, warming the roof and melting snow even in freezing weather. For police, a bare roof becomes nature’s thermal camera.
Police Find the Cannabis Farm
When officers investigated, they found a fully operational cannabis farm inside. Rows of plants thrived under artificial light. The air was thick with humidity and the unmistakable scent of marijuana. The heat from dozens, if not hundreds, of plants had altered the home’s winter profile, exposing the illegal grow operation.
Not an Isolated Case
Similar raids occurred across the Netherlands, including Haarlem, Zutphen, and Arnhem. Police uncovered hundreds of ca*nabis plants worth tens of thousands of euros. One operation seized nearly 500 plants hidden in a converted bedroom.

Police Encourage Public Vigilance
After these snow-related busts, Dutch police urged citizens to report suspiciously bare roofs. They used social media and local news to raise awareness. As one officer said, “Sometimes, the snow tells you more than the people living next door.”
The Science Behind the Snow Clue
Snow remains on roofs when the surface stays below freezing. Ca*nabis grow rooms use high-intensity lamps that emit heat, warming the roof from inside. Even in –5°C weather, this heat melts snow quickly. Some roofs show patchy snow melts, mirroring the layout of grow rooms.
Dutch Ca*nabis Laws Are Strict
Many outside the Netherlands assume ca*nabis is widely legal there. However, cultivation laws are strict. Personal possession of up to five grams is tolerated, and small sales occur in licensed coffee shops. But growing more than five plants, especially commercially, is illegal and can lead to fines or prison.
What This Means for Illegal Growers
Snow acts as a natural detector. Some growers try costly methods like better insulation or underground vents, but these aren’t always effective. Police worldwide, including in the UK and Canada, use snow clues to find illegal grows.
The Fate of the Snow-Free House Owner
The owner who operated the large-scale grow faces serious charges. While details of sentencing are limited, Dutch law can impose several years in prison, especially for links to organized crime.
A Winter Story to Remember
For neighbors, this became a tale of a strange winter mystery revealed by falling snow. Nature exposed a secret operation worth tens of thousands of euros and helped law enforcement shut it down.
Final Thought: Look Twice at That Bare Roof
Next time snow falls, you might glance at your neighbor’s roof with new curiosity. Sometimes, even the smallest detail tells a big story.