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Description

The GPM Ground Validation Precipitation Occurrence Sensor System (POSS) LPVEx dataset consists of precipitation and radar parameter estimates for both liquid and solid precipitation. Measurements were collected by the Precipitation Occurrence Sensor System (POSS) during the Global Precipitation Measurement (GPM) mission Light Precipitation Validation Experiment (LPVEx) field campaign. This field campaign took place around the Gulf of Finland in September and October of 2010. The goal of the campaign was to provide additional high-latitude, light rainfall measurements for the improvement of GPM satellite precipitation algorithms. The POSS dataset files are available from September 18, 2010 through April 20, 2011 for two POSS sites: Emasalo and Jarvenpaa. The data files are in CSV format with browse imagery in PNG format.

Product Summary

Platforms
GROUND STATIONS
Instruments
POSS
Spatial Extent
N: 60.4847 S: 60.2038 E: 25.6248 W: 25.0822
Geographic Region
FINLAND
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2010-09-17 to 2011-04-20
Data Partner
Global Hydrometeorology Resource Center, Marshall Space Flight Center, NASA (NASA/MSFC/GHRC)
Concept ID
c1979685546-ghrc_daac
Data State
COMPLETE
Processing Level
2
Published
Updated

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Rodriguez, P. (2025). GPM Ground Validation Precipitation Occurrence Sensor System (POSS) LPVEx [Data set]. NASA Global Hydrometeorology Resource Center Distributed Active Archive Center. https://doi.org/10.5067/GPMGV/LPVEX/POSS/DATA101 Date Accessed: 2025-07-02

Documents

GENERAL DOCUMENTATION Light Precipitation Validation Experiment (LPVEx) Science Plan
GENERAL DOCUMENTATION The NASA CloudSat/GPM Light Precipitation Validation Experiment (LPVEx)
PI DOCUMENTATION LPVEx POSS JAR Cases
PI DOCUMENTATION Description of the POSS post processed “PR” file
PUBLICATIONS Sampling Errors in the Measurement of Rainfall Parameters Using the Precipitation Occurrence Sensor System (POSS)

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