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LIS/OTD 0.5 Degree High Resolution Annual Climatology (HRAC) V2.3.2015
Entry ID: lohrac_2.3.2015

Abstract: The LIS/OTD 0.5 Degree High Resolution Annual Climatology (HRAC) contains a variety of gridded climatologies of total lightning flash rates obtained from two lightning detection sensors - the spaceborne Optical Transient Detector (OTD) on Orbview-1 and the Lightning Imaging Sensor (LIS) onboard the Tropical Rainfall Measuring Mission (TRMM) satellite. The long LIS (equatorward of about 38 degree) record makes the merged climatology most robust in the tropics and subtropics, while the high latitude data is entirely from OTD. The HRAC dataset includes annual flash rate climatology data on a 0.5 degree grid in HDF and netCDF-4 format.
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Geographic Coverage
Spatial coordinates   
  N: 90.0   S: -90.0   E: 180.0   W: -180.0

Data Set Citation
Version: 2.3.2015
Other Citation Details: Cecil, Daniel J.2006. LIS/OTD 0.5 Degree High Resolution Annual Climatology (HRAC) [indicate subset used]. Dataset available online from the NASA Global Hydrology Resource Center DAAC, Huntsville, Alabama, U.S.A. DOI:
Temporal Coverage
Start Date: 1995-05-04
Stop Date: 2014-12-31
Data Resolution
Temporal Resolution: Annual Climatology
Access Constraints This product has full public access.
Data Set Progress
Distribution Format: HDF-4 - netCDF-4/CF
Fees: 0.0
Extended Metadata Properties
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Creation and Review Dates
Last DIF Revision Date: 2018-08-20