Full Name HDWL (3D Winds) Status No longer considered
Instrument Agencies NASA Maturity Low Heritage
Instrument Type Lidars Geometry Nadir-viewing
Instrument Technology Doppler lidar Sampling Other
Data Access Open Access Data Format
Measurements and Applications Tropospheric winds for weather forecasting and pollution transport.
Resolution Summary 300 km along track horizontal resolution
Swath Summary View 45 degrees of nadir at four azimuth angles: 45, 135, 225, 315 deg.
Accuracy Summary 2-3 m/s LOS wind accuracy projected into horizontal from all effects including sampling error
Waveband Summary 2.051 µm and 0.355 µm
UV (~0.01 µm - ~0.40 µm)
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
Measurements Overview
Atmospheric WindsWind speed over land surface (horizontal)
Wind vector over land surface (horizontal)
Ocean surface windsWind vector over sea surface (horizontal)
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Surface Wind Speed and direction click here click here search ECV Inventory records
Instrument Missions
3D Winds - Three Dimensional Tropospheric Winds from Space Based Lidar (2030 - 2033)