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At Understory we build, install, and harvest data from networks of ground-truth weather sensors to bring you up-to-the-minute weather intelligence. We're the only company measuring hailstone impacts in real-time! No one else has this data.
We've released a white paper describing our weather stations, the accuracy, resolution, and range of the data they collect, and the power of a network of Understory weather stations installed across a metropolitan region.
To access a free copy of the white paper please enter your information below.

We build, install, and harvest data from networks of calibrated weather sensors. These sensors gather data on hail, wind, rain, temperature, pressure, humidity, ambient light, and more! Download our white paper on data accuracy for further detail.

Networks of ground-truth weather sensors

Calibrated, roof-level weather measurements

Instead of one or two locations within a city reporting calibrated weather measurements, our stations report wind, temperature, pressure, and humidity every second at 30-60 locations. Instead of relying on the radar network or spotters for hail information, our stations measure hail impacts at the roof-level where it counts.

Understory Weather Sensors: White Paper on Data Accuracy


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