151 datasets

NASA Earthdata CMR + NASA Data Portal2026 · Array · NetCDF

This thunder hour dataset is based on lightning observations from the Lightning Imaging Sensor (LIS) that operated aboard the Tropical Rainfall Measuring Mission satellite from 1 January 1998 to 8 April 2015. The data are provided at 0.05° latitude/longitude resolution for latitudes between 37.75ºS and 37.75ºN. A thunder hour is defined as an hour during which thunder can be heard from a given loc

NASA Earthdata CMR + NASA Data Portal2026 · Array · NetCDF

This thunder hour dataset is combines lightning observations from both Lightning Imaging Sensors (LIS) that operated aboard the International Space Station (ISS) from 1 March 2017 to 16 November 2023 and the Tropical Rainfall Measuring Mission (TRMM) satellite from 1 January 1998 to 8 April 2015. The dataset represents a combined 24 years of observations. The data are provided at 0.05° latitude/lo

NASA Earthdata CMR + NASA Data Portal2026 · Array ·

The Lightning Imaging Sensor (LIS) Backgrounds version 5 was collected by the LIS instrument on the Tropical Rainfall Measuring Mission (TRMM) satellite used to detect the distribution and variability of total lightning occurring in the Earth’s tropical and subtropical regions. This data can be used for severe storm detection and analysis, as well as for lightning-atmosphere interaction studies. T

NASA Earthdata CMR + NASA Data Portal2026 · Astronomical catalogue

This provides a new lightning climatology dataset that is compiled and released from a series of low Earth orbit NASA lightning sensors: the Optical Transient Detector (OTD), Tropical Rainfall Measuring Mission (TRMM) Lightning Imaging Sensor (LIS), and International Space Station (ISS) LIS. OTD collected data during April 1995 – March 2000. TRMM LIS data were collected during December 1997 – Apri

NASA Earthdata CMR + NASA Data Portal2026 · Array ·

The TRMM Lightning Imaging Sensor (LIS) dataset, version 5, was collected by the LIS instrument on the Tropical Rainfall Measuring Mission (TRMM) satellite used to detect the distribution and variability of total lightning occurring in the Earth’s tropical and subtropical regions. This data can be used for severe storm detection and analysis, as well as for lightning-atmosphere interaction studies

NASA Earthdata CMR + NASA Data Portal2026 · Image data

This a new (GPM-formated) TRMM product. There is no equivalent in the old TRMM suite of products. Version 08 is the current version of the data set. Older versions will no longer be available and have been superseded by Version 08. The "CLIM" products differ from their "regular" counterparts (without the "CLIM" in the name) by the ancillary data they use. They are Climate-Reference products, which

NASA Earthdata CMR + NASA Data Portal2026 · Image data

This is the new (GPM-formated) TRMM product. It replaces the old TRMM_1B11 Version 08 is the current version of the data set. Previous versions have been superseded by Version 08. This dataset contains TRMM Micrwave Imager (TMI) L1B calibrated radiances in terms of Brightness Temperatures. The TMI calibration algorithm (1B11) converts the radiometer counts to antenna temperatures by applying a lin

NASA Earthdata CMR + NASA Data Portal2026 · Image data

This a new (GPM-formated) TRMM product. There is no equivalent in the old TRMM suite of products. The BASETRMMTMI product contains unaltered data directly from the TRMM Microwave Imager (TMI) aboard the TRMM satellite. It has has two purposes: To repackage the raw satellite data from binary Consultative Committee for Space Data Systems (CCSDS) packets to Hierarchical Data Format (HDF5), and to geo

NASA Earthdata CMR + NASA Data Portal2026 · Image data

This is the new (GPM-formated) TRMM product. It replaces the old TRMM_2A12 Version 08 is the current version of the data set. Older versions will no longer be available and have been superseded by the current version. The "CLIM" products differ from their "regular" counterparts (without the "CLIM" in the name) by the ancillary data they use. They are Climate-Reference products, which requires homo

NASA Earthdata CMR + NASA Data Portal2026 · Image data

This a new (GPM-formated) TRMM product. There is no equivalent in the old TRMM suite of products. All 1C products have a common L1C data structure, simple and generic. Each L1C swath includes scan time, latitude and longitude, scan status, quality, incidence angle, Sun glint angle, and the intercalibrated brightness temperature (Tc). One or more swaths are included in a product. The radiometer dat

NASA Earthdata CMR + NASA Data Portal2026 · Image data

This is the new (GPM-formated) TRMM product. It replaces the old TRMM_1A01 Version 08 is the current version of the data set. Previous versions have been superseded by Version 08. The 1AVIRS product contains science and housekeeping sensor count data directly from the Visible and Infrared Scanner (VIRS) aboard the TRMM satellite. The data has been unpacked from the spacecraft packets and geolocate

NASA Earthdata CMR + NASA Data Portal2026 · Image data

This is the new (GPM-formated) TRMM product. It replaces the old TRMM_1A11 Version 08 is the current version of the data set. Previous versions have been superseded by Version 08. The 1ATMI product contains science and housekeeping sensor count data directly from the TRMM Microwave Imager (TMI) Instrument aboard the TRMM satellite. The data has been unpacked from the spacecraft packets and geoloca

NASA Earthdata CMR + NASA Data Portal2026 · Image data

This is the new (GPM-formated) TRMM product. It replaces the old TRMM_3A12,3A11 Version 08 is the current version of the data set. Older versions will no longer be available and have been superseded by Version 08. The "CLIM" products differ from their "regular" counterparts (without the "CLIM" in the name) by the ancillary data they use. They are Climate-Reference products, which requires homogene

NASA Earthdata CMR + NASA Data Portal2026 · Image data

This is the new (GPM-formated) TRMM product. It replaces the old TRMM_1B01 Version 08 is the current version of the data set. Previous versions have been superseded by Version 08. This TRMM Visible and Infrared Scanner (VIRS) Level 1B Calibrated Radiance Product (1B01) contains calibrated radiances and auxiliary geolocation information from the five channels of the VIRS instrument, for each pixel

NASA Earthdata CMR2026 · Array · NetCDF

The TRMM PR product (NSIDC-0807), derived from the Tropical Rainfall Measuring Mission (TRMM) Precipitation Radar (PR) instrument, includes Level-3 gridded radar backscatter data collected at 13.88 GHz with vertical transmit–vertical receive (VV) polarization. Data are gridded to the EASE-Grid 2.0 cylindrical projections (Brodzik et al., 2012; Brodzik et al., 2014) at two griddings. Input data for

NASA Earthdata CMR + NASA Data Portal2024 · Image data

This data set contains a monthly-mean, 0.25 degree resolution, near-global gridded analysis of ocean surface winds (wind speed, components, and anomalies) from the Cross-Calibrated Multi-Platform (CCMP) project. CCMP is a combination of inter-calibrated 10 m ocean surface wind retrievals from multiple types of satellite microwave sensors and a background field from reanalysis. The wind retrievals

NASA Earthdata CMR + NASA Data Portal2024 · Image data

This data set contains a 6-hourly, 0.25 degree resolution, near-global gridded analysis of ocean surface vector winds from the Cross-Calibrated Multi-Platform (CCMP) project, produced by Remote Sensing Systems (RSS). CCMP is a combination of inter-calibrated 10 m ocean surface wind retrievals from multiple types of satellite microwave sensors and a background field from reanalysis. The wind retrie

NASA Earthdata CMR + NASA Data Portal2023 · Image data

The Operational Sea Surface Temperature and Sea Ice Analysis Reprocessed (OSTIA-REP) is a GHRSST reprocessed Level-4 sea surface temperature and ice-concentration analysis produced by the UK Met Office (UKMO) using optimal interpolation (OI) on a global 0.05 degree grid. It is a sister product of the Near Real Time version (OSTIA-NRT), but incorporates satellite data from over 25 different SST sen

NASA Earthdata CMR + NASA Data Portal2022 · Array ·

The Passive Microwave Hail Climatology Data Products are gridded estimates of the annual frequency of severe hailstorm occurrence, as retrieved from satellite-borne passive microwave imagery. These data products can be useful for weather and climatological research related to storms, as well as applications involving risk management and emergency management. The dataset files are available in netC

NASA Earthdata CMR + NASA Data Portal2022 · Image data

The data presented in this level 2 orbital product are rain rate estimates expressed as mm/hour determined from brightness temperatures (Tbs) obtained from the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI) flown on the TRMM satellite. Most of the products generated in this data set are based upon the algorithms developed for the 3rd Algorithm Intercomparison Project (AIP-3) of

NASA Earthdata CMR + NASA Data Portal2022 · Image data

A Group for High Resolution Sea Surface Temperature (GHRSST) global Level 4 sea surface temperature analysis produced daily on a 0.09-degree grid at Remote Sensing Systems. This product uses optimal interpolation (OI) from microwave (MW) sensors including the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI), the NASA Advanced Microwave Scanning Radiometer-EOS (AMSR-E), the WindSat

NASA Earthdata CMR + NASA Data Portal2022 · Image data

A Group for High Resolution Sea Surface Temperature (GHRSST) global Level 4 sea surface temperature analysis produced daily on a 0.25-degree grid at Remote Sensing Systems. This product uses optimal interpolation (OI) from microwave (MW) sensors including the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI), the NASA Advanced Microwave Scanning Radiometer-EOS (AMSR-E), the WindSat

NASA Earthdata CMR + NASA Data Portal2021 · Image data

This is the new (GPM-formated) TRMM product. It replaces the old TRMM_3H25 Version 07 is the current version of the data set. Older versions will no longer be available and have been superseded by Version 07. Estimating vertical profiles of latent heating released by precipitating cloud systems is one of the key objectives of TRMM, together with accurately measuring the horizontal distribution of

NASA Earthdata CMR + NASA Data Portal2021 · Image data

This is the new, GPM-like, format for TRMM Precipitation Radar L2 data that now incorporates what was known as 2A21, 2A23 and 2A25 datasets. The primary purpose of 2A21 is to compute the path-integrated attenuation (PIA) using the surface reference technique (SRT). The surface reference technique rests on the assumption that the difference between the measurements of the normalized surface cross s

NASA Earthdata CMR + NASA Data Portal2021 · Image data

This is the new (GPM-formated) TRMM product. It replaces the old TRMM_1B21,1C21 Version 07 is the current version of the data set. Previous versions have been superseded by Version 07. The TRMM Precipitation Radar (PR), the first of its kind in space, is an electronically scanning radar, operating at 13.8 GHz that measures the 3-D rainfall distribution over both land and ocean, and defines the lay