GHRC News & Features

The Olympics Mountain Experiment (OLYMPEX), the last of the planned Ground Validation field experiments for the Global Precipitation Measurement (GPM) mission, began in mid-November and will continue through February 2016.  The Global Hydrology Resource Center Distributed Active Archive Center (GHRC DAAC) developed and is maintaining the OLYMPEX portal, a collaboration site that enables science teams to upload a variety of planning materials, including daily forecast presentations, plan of the day reports, mission scientist and instrument reports. Flight reports from the NASA Ames Mission Tool Suite (MTS) are being...

Global Hydrology Resource Center Distributed Active Archive Center (GHRC DAAC) published the GPM Ground Validation Aerosol and Water Vapor Lidar Quicklooks GCPEx dataset in the Global Precipitation Monitoring (GPM) mission Ground Validation collection for the GPM Cold-season Precipitation Experiment (GCPEx). This dataset contains imagery generated from the GCPEx campaign during January - March 2012 in Canada.  Imagery includes plots of daily aerosol lidar backscatter ratio, and vertically resolved profile of water vapor mixing...

The Global Hydrology Resource Center (GHRC) published two datasets from the Global Precipitation Measurement (GPM) mission ground validation (GV) Integrated Precipitation and Hydrology Experiment (IPHEx): Cloud Radar System (CRS) and Total Sky Imager. The IPHEx experiment was conducted in North Carolina during the months April-June 2014. The Cloud Radar System dataset provides high-resolution profiles of reflectivity and Doppler velocity at aircraft nadir along the...

The Global Hydrology Resource Center Distributed Active Archive Center (GHRC DAAC) has published another core dataset in the Hurricane and Severe Storm Sentinel (HS3) collection. The HS3 High-altitude Imaging Wind and Rain Airborne Profiler (HIWRAP) dataset contains precipitation and wind measurements from the dual-frequency, dual-beam, conically scanning radar that has been designed for the Global Hawk. HIWRAP's dual-wavelength operation enables it to map full tropospheric winds from cloud and precipitation volume backscatter measurements, derive information about...

The AMSR SIPS at the GHRC DAAC has begun reprocessing the "AMSR-E/Aqua L2B Global Swath Rain Rate/Type GSFC Profiling Algorithm (AE_Rain)” dataset. This new version of the AMSR-E Rain product is generated using the “GPROF 2010” algorithm, with the latest AMSR-E Level-2A Brightness Temperatures as input. Data are being delivered to NSIDC DAAC for archive, and imagery provided to GIBS. Reprocessing of the entire mission is expected to be completed within four months.

The Global Hydrology Resource Center Distributed Active Archive Center (GHRC DAAC) published three Micro Rain Radar (MRR) datasets in the Global Precipitation Measurement (GPM) Ground Validation collection. 

GPM Ground Validation Micro Rain Radar (MRR) NASA IPHEx

GPM Ground Validation Micro Rain Radar (MRR) NASA IFloodS

GPM Ground Validation Micro Rain Radar (MRR) NASA HyMeX

The MRR is a vertically pointing Doppler radar which provides measurements of vertical velocity, drop size distribution, rainfall rate, attenuation, liquid water content, and reflectivity...

The Global Hydrology Resource Center Distributed Active Archive Center (GHRC DAAC) has published another core dataset in the Hurricane and Severe Storm Sentinel (HS3) collection. The HS3 Hurricane Imaging Radiometer (HIRAD) dataset contains ocean surface winds and precipitation observations from the HIRAD multi-band passive microwave radiometer. HIRAD uses novel interferometric aperture synthesis technique to produce high-resolution wide swath observations without any mechanical scanning of the antenna. The instrument was designed to measure ocean surface wind speed in tropical storms and hurricanes. Developed in collaboration between scientists and engineers at NASA MSFC, University of Central Florida and University of Michigan...

Ever wonder what the water depth covering a certain area would be if the snowcover was in a liquid state? LANCE now has a dataset that shows exactly that. Snow water equivalent (SWE) imagery is now available in NASA Worldview from the NASA Land Atmosphere Near real-time Capability for EOS (LANCE) Advanced Microwave Scanning Radiometer 2 (...

The NASA Land Atmosphere Near real-time Capability for EOS (LANCE) Advanced Microwave Scanning Radiometer 2 (AMSR2) processing element, a component of the AMSR Science Investigator–led Processing System (SIPS) at the Global Hydrology Resource Center Distributed Active Archive Center (GHRC DAAC) in Huntsville, Alabama, announced the availability of the dataset NRT AMSR2 Daily L3 Global Snow Water Equivalent EASE-Grids. This dataset contains snow water equivalent (SWE) data and quality assurance flags mapped...

The Global Hydrology Resource Center (GHRC) published the GPM Ground Validation Rain Gauges NASA ACHIEVE IPHEx dataset which includes data from the OSi Optical Rain Gauge (ORG815) and a standard tipping bucket rain gauge. Both instruments are part of the NASA Goddard Space Flight Center (GSFC) ACHIEVE ground-based mobile laboratory. Data was gathered during the GPM Ground Validation Integrated Precipitation and Hydrology Experiment (IPHEx) in North Carolina from May 1, 2014 through June 15, 2014. Precipitation rate, temperature, and...