GHRC News

GHRC added the GPM Ground Validation Two-Dimensional Video Disdrometer (2DVD) GCPEx dataset to its GPM GCPEX dataset collection. Collected from six sites in Ontario, Canada, the data contains daily ASCII files with information on individual snowflakes and hydrometeors, and also binary files preprocessed from raw camera data. Overall data dates range from 27 October 2011 through 27 February 2012 depending on the specific site. GHRC also has related 2DVD datasets for data from the LPVEX and MC3E experiments and data collected at the National Space Science and Technology Center (NSSTC).

Guide for MC3E Dataset Complete

GHRC completed the guide for the GPM Ground Validation Oklahoma Climatological Survey Mesonet MC3E dataset. The data was collected by a network of weather stations in central Oklahoma during the Midlatitude Continental Convective Clouds Experiment (MC3E) in the April-June 2011 timeframe, and is composed of 15 minute and 5 minute files with one file per site per day in MTS format, the standard format used for mesonet data. Data can be read as ASCII text. Multiple parameters found in this dataset include relative humidity, air temperature, wind speed and direction, precipitation and calibrated soil moisture.

Further Updates to GRIP HIRAD Dataset

GHRC updated the documentation for the GRIP Hurricane Imaging Radiometer (HIRAD) dataset with information about the new files containing rain rates and wind speed from Hurricane Earl (September 1-2, 2010). Data with these geophysical parameters are now distributed along with the original brightness temperature files. The HIRAD flew aboard the WB-57 aircraft from Houston, Texas during the Genesis and Rapid Intensification Processes (GRIP) experiment.

GRIP HIRAD Dataset Updated

Sample browse image GHRC has updated the GRIP Hurricane Imaging Radiometer (HIRAD) dataset with new files containing rain rates and wind speed from Hurricane Earl (September 1-2, 2010) as an addition to the original brightness temperature files. The HIRAD flew aboard the WB-57 aircraft from Houston, Texas during the Genesis and Rapid Intensification Processes (GRIP) experiment.

GCPEX MRR Dataset Released

Sample browse image GHRC has released the GPM Ground Validation Environment Canada (EC) Micro Rain Radar (MRR) GCPEx dataset. Environment Canada (EC) collected data from the Micro Rain Radar (MRR) during the GPM Cold-season Precipitation Experiment (GCPEx) in Ontario, Canada during the winter season 2012. Operating at 24 GHz the MRR, a vertically pointing Doppler radar, retrieved quantitative rain rates, drop size distributions, radar reflectivity, fall velocities on vertical profiles up to several kilometers above the unit.

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