Title: SHSR Author(s): Maci Gibson ORCID: 0000-0002-9714-1197 Email: maci.gibson@noaa.gov Heather Reeves ORCID: 0000-0003-1843-2218 Email: heather.reeves@noaa.gov Organization: National Severe Storms Laboratory (NSSL) and Cooperative Institute for Mesoscale Meteorological Studies (CIMMS) 120 David L. Boren Blvd, Norman, OK 73072 Phone: 405-325-6287 (email strongly preferred) 1.0 Data Set Overview Introduction: Quality-controlled reflectivity at the lowest possible vertical level. It is a product that is first derived from single radar polar grids, and then mosaicked onto the MRMS national Cartesian grid Time period covered: 2019/02/05/00:00-2019/03/07/23:58 Physical location: CONUS (38.883º, -77.017º) Data source: Multi-Radar/Multi-Sensor System (MRMS) Web address references: https://vlab.ncep.noaa.gov/web/wdtd/mrms-products-guide 2.0 Instrument Description: N/A 3.0 Data Collection and Processing Data collection: N/A Derived parameters/processing techniques: see references in section 6.0 Quality assurance and control procedures: see references in section 6.0 4.0 Data Format Data file structure: NetCDF Data format/layout: Spatial resolution: 1 km x 1 km Parameters: Radar reflectivity factor [dBZ] Data version: V12 Description of flags, codes used in data, and definitions: No echo flagged as -99900 No coverage flagged as -99903 5.0 Data Remarks PI'S assessment of data: N/A Missing data periods: N/A Software compatibility: N/A 6.0 References: Zhang, J., K. Howard, S. Vasiloff, C. Langston, B. Kaney, Y. Qi, L. Tang, H. Grams, D. Kitzmiller, J. Levit, 2014: Initial Operating Capabilities of Quantitative Precipitation Estimation in the Multi-Radar Multi-Sensor System. 28th Conf. on Hydrology, Amer. Meteor. Soc. Doviak, Richard J., and Dušan S. Zrnić. Doppler radar and weather observations. Courier Dover Publications, 1993. Zhang, Jian, et al. "Radar-based quantitative precipitation estimation for the cool season in complex terrain: Case studies from the NOAA Hydrometeorology Testbed." Journal of Hydrometeorology 13.6 (2012): 1836-1854. Fulton, Richard A., et al. "The WSR-88D rainfall algorithm." Weather and Forecasting 13.2 (1998): 377-395. Tang, L., Y. Qi, C. Langston, K. Howard, 2013: Non-Standard Blockage Mitigation for National Radar QPE Products. The 36th Conf. on Radar Meteorology. Amer. Meteor. Soc. 16–20 Sept. 2013, Breckenridge, CO. Paper 354.