The SnowPixel is the most advanced thermodynamic sensor array developed to date. It uses an advanced NanoFab technology developed through DOE Phase I and II SBIR/STTR funding to PFA as a 576-channel 24x24 array of 0.5 mm x 0.5 mm individually, thermostatically, controlled platinum micro-hotplates, each 120 nm thick, with a footprint of just 32 mm x 35 mm. The output is the first high-resolution, high-speed 2D ``video'' of environmental thermodynamic cooling signatures. The SnowPixel can be used in a wide range of applications including simulateneous measurements of hydrometeor mass and cumulative precipitation amount, with ongoing testing of its application as a concurrent wind and turbulence sensor. Further development is aimed at a miniaturized, low-power, fully capable weather station for deployment in high-density meteorological sensor networks aimed at improved societal resilience to weather extremes.
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