GHRC News & Features

09/18/2020 - 13:48
The NASA Global Hydrology Resource Center (GHRC) DAAC published the SBU Ka-band Scanning Polarimetric Radar (KASPR) IMPACTS dataset. This dataset consists of polarimetric radar data collected by the Stony Brook University (SBU) Ka-band Scanning Polarimetric Radar (KASPR) during the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) field campaign. IMPACTS was a three-year sequence of winter season deployments conducted to study snowstorms over the U.S Atlantic Coast (2020-2022). The campaign aimed to (1) Provide observations critical to understanding the mechanisms of...
09/18/2020 - 13:42
The NASA Global Hydrology Resource Center (GHRC) DAAC published the SBU Doppler LiDAR IMPACTS dataset. This dataset consists of Doppler velocity and backscatter intensity from the Stony Brook University (SBU) Doppler LiDAR. These data were collected during the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) field campaign. IMPACTS was a three-year sequence of winter season deployments conducted to study snowstorms over the U.S Atlantic Coast (2020-2022). The campaign aimed to (1) Provide observations critical to understanding the mechanisms of snowband formation,...
09/16/2020 - 11:12
The NASA Global Hydrology Resource Center (GHRC) DAAC published the SBU Ceilometers IMPACTS dataset. This dataset includes ceilometer cloud height measurements collected by the Vaisala CL51, Vaisala CT25K, and Lufft Ceilometer CHM 15k ceilometers operated by the State University of New York (SUNY) Stony Brook University. These data were collected during the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) field campaign, a three-year sequence of winter season deployments conducted to study snowstorms over the U.S. Atlantic coast. IMPACTS aimed to (1) Provide...
09/01/2020 - 16:46
The NASA Global Hydrology Resource Center (GHRC) DAAC published the NASA S-Band Dual Polarimetric (NPOL) Doppler Radar IMPACTS dataset. This dataset consists of rain rate, reflectivity, Doppler velocity, and other radar measurements obtained from the NPOL radar during the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) field campaign. The goal of IMPACTS was to provide observations critical to understanding the mechanisms of snowband formation, organization, and evolution, examine how the microphysical characteristics and likely growth mechanisms of snow particles vary...
08/20/2020 - 13:29
The NASA Global Hydrology Resource Center (GHRC) DAAC published the GOES IMPACTS dataset. This dataset consists of single reflective band radiance products from the Advanced Baseline Imager (ABI) onboard the GOES-16 geostationary satellite. These data were collected in support of the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) field campaign. IMPACTS was a three-year sequence of winter season deployments conducted to study snowstorms over the U.S Atlantic Coast (2020-2022). The campaign aimed to (1) Provide observations critical to understanding the mechanisms of...
08/18/2020 - 09:21
The NASA Global Hydrology Resource Center (GHRC) DAAC published the NCSU Soundings IMPACTS dataset. This dataset consists of atmospheric sounding data collected by the North Carolina State University student sounding club. These data include vertical profiles of atmospheric temperature, relative humidity, pressure, wind speed, and wind direction. These rawinsondes were launched from Raleigh, NC in support of the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) field campaign. IMPACTS was a three-year sequence of winter season deployments conducted to study snowstorms...
08/14/2020 - 15:57
The NASA Global Hydrology Resource Center (GHRC) DAAC published the Two-Dimensional Video Disdrometer (2DVD) IMPACTS dataset. These data were collected in support of the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) campaign. The IMPACTS field campaign addressed providing observations critical to understanding the mechanisms of snowband formation, organization, and evolution, examining how the microphysical characteristics and likely growth mechanisms of snow particles vary across snowbands, and improving snowfall remote sensing interpretation and modeling to...
08/14/2020 - 15:50
The NASA Global Hydrology Resource Center (GHRC) DAAC published the Autonomous Parsivel Unit (APU) IMPACTS dataset. These data were collected in support of the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) campaign. The IMPACTS field campaign addressed providing observations critical to understanding the mechanisms of snowband formation, organization, and evolution, examining how the microphysical characteristics and likely growth mechanisms of snow particles vary across snowbands, and improving snowfall remote sensing interpretation and modeling to significantly...
08/13/2020 - 11:02
The NASA Global Hydrology Resource Center (GHRC) DAAC published the Mission Reports IMPACTS dataset. This dataset consists of flight plans, plans of the day, science plans, and science summaries logged by scientists during the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) field campaign. IMPACTS was a three-year sequence of winter season deployments conducted to study snowstorms over the U.S Atlantic Coast (2020-2022). The campaign aimed to (1) Provide observations critical to understanding the mechanisms of snowband formation, organization, and evolution; (2) Examine...
07/20/2020 - 09:28
The NASA Global Hydrology Resource Center (GHRC) DAAC published the SBU Mobile Soundings IMPACTS dataset. This dataset consists of mobile sounding profiles collected during the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) campaign. Funded by NASA’s Earth Venture program, IMPACTS is the first comprehensive study of East Coast snowstorms in 30 years. Mobile sounding profiles were obtained about every three hours during snow events by the Stony Brook University (SBU). The sounding measures temperature, humidity, height, and horizontal wind direction and speed in the...

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