NCAR Dropsonde NRD41
This proven weather reconnaissance device captures atmospheric profiles from aircraft flight level to surface, vastly improving weather observations.
Aircraft-Specific Design
Dropsonde NRD41 is used for tropical cyclone reconnaissance and research, data acquisition over oceans as input for Numerical Weather Prediction (NWP) models, and to acquire data for meteorological research.
Designed specifically for aircraft use, it descends through the atmosphere by parachute and measures the profiles of pressure, temperature, and relative humidity, and reads wind direction and speed data from the point of launch to the surface — to give you the data you need for accurate weather predictions and research.
The NRD41 is based on the same Vaisala sensors and unique measurement technology as the RS41 radiosonde, and offers the same renowned stability, high quality, and safety features.
Built by Vaisala under license from UCAR, the NRD41 dropsonde, aircraft data system hardware, and software are designed by the Earth Observing Laboratory of the National Center for Atmospheric Research in Boulder, Colorado, USA.
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