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Impacts of the Transition from DMSP SSMIS to WSF-M MWI on IMERG

Date Last Updated
August 8th, 2025
Document Description

The Integrated Multi-satellitE Retrievals for the Global Precipitation Measurement (GPM) mission (IMERG) combines precipitation retrievals from all available low-orbit passive microwave (PMW) data, together with geosynchronous infrared (GEO-IR) providing baseline retrievals to compute merged global precipitation every half hour. The IMERG Early Run includes forward propagation of PMW data, while the Late Run also uses backward propagation. IMERG includes the Defense Meteorological Satellite Program (DMSP) Special Sensor Microwave Imager/Sounder (SSMIS) constellation operated by the U.S.

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SSMIS-MWI_transition.pdf

Sensitivity of Simulated GMI Brightness Temperatures to Variations in Particle Size Distributions in a Severe Hailstorm

Submitted by LisaN on
Publication Year
Authors
Leppert, K. D. II, and D. J. Cecil
Journal
J. Appl. Meteor. Climatol.
Volume
58(9)
Page Numbers
1905–1930
DOI
10.1175/JAMC-D-19-0031.1
Mission Affiliation
GPM
Major Category
Resources

The Impact of the Radar-Sampling Volume on Multiwavelength Spaceborne Radar Measurements Using Airborne Radar Observations

Submitted by LisaN on
Publication Year
Authors
Pfitzenmaier, L., A. Battaglia, A., and P. Kollias
Journal
Rem. Sens.
Volume
11(19)
Page Numbers
2263
DOI
10.3390/rs11192263
Mission Affiliation
GPM
Major Category
Resources

Global Precipitation Measuring Dual-frequency Precipitation Radar observations of hailstorm vertical structure: current capabilities and drawbacks

Submitted by LisaN on
Publication Year
Authors
Mroz, K., A. Battaglia, T. J. Lang, S. Tanelli, and G. Sacco
Journal
J. Appl. Meteor. Climatol.
Volume
57(9)
Page Numbers
2161-2178
DOI
10.1175/JAMC-D-18-0020.1
Mission Affiliation
GPM
Major Category
Resources
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