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Wintertime Precipitation Observations over Connecticut - 2025

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Latest Instrument Inventory by Day

Rain Gauges

The MetOne precipitation gauges measure rain and/or snow in all environments using a tipping bucket mechanism. The economical tipping bucket design allows accurate, repeatable measurements, requiring no regular maintenance. Each model in the 370D-380D Series is optimized to meet particular site and sampling requirements and exceeds EPA specifications.

OTT Pluvio Weighing Rain Gauge

The OTT Pluvio² is an all-weather precipitation gauge that uses superior weight-based technology to measure the amount and intensity of rain, snow, and hail. Developed in conjunction with industry-leading meteorological services, the OTT Pluvio² employs a high-precision load cell and algorithms that compensate for wind, temperature, and evaporation, ensuring the highest accuracy precipitation measurements over time.

Micro Rain Radar

The Micro Rain Radar MRR at 24 GHz is a unique meteorological radar profiler for Doppler spectra of hydrometeors in height ranges 15 m ... 6000 m. The high resolution in time and height enables the MRR to monitor the genesis of frozen hydrometeors, the melting zone (bright band) and the formation of rain drops. With the derived rain rate the MRR offers a calibration of weather radar. The MRR has been adapted even for monitoring of avalanches and volcanos.

Parsivel Disdrometers (APU)

The OTT Parsivel is a modern laser disdrometer for comprehensive measurement of all precipitation types. The Parsivel captures both the size and speed of falling particles, classifying them into one of 32 separate size and velocity classes. The raw data are used to calculate the type, amount, intensity and kinetic energy of the precipitation, the visibility in the precipitation, and the equivalent radar reflectivity.

MetOne All-in-One (Temperature, Humidity, Wind)

The AIO 2 Weather Sensor provides measurements of wind speed, wind direction, ambient air temperature, relative humidity, and barometric pressure in a single, compact, rugged unit. It integrates a folded-path, low-power sonic anemometer with a precision thermistor temperature sensor, fast-response capacitive relative humidity sensor, and a state-of-the-art barometric pressure sensor. It also includes an internal flux-gate compass that allows for automatic alignment of wind direction to magnetic north, regardless of the sensors orientation.

RM Young All-in-One

RM Young Anemometer

Precipitation Imaging Package (PIP)