Datasets/GPM_3IMERGHH

d017·dataset

Rain, every half hour (worldwide)

GPM IMERG Final Run Half-Hourly 0.1°

GES DISC GPM_3IMERGHH cloud-native 0.1° 30 minutes NetCDFHDF5 hydrologyatmosphereprecipitation

Sub-hourly global precipitation — critical for flood/flash-flood modeling, diurnal-cycle studies, and convective-storm tracking.

GPM IMERG Final Run Half-Hourly 0.1°

Sub-hourly global precipitation — critical for flood/flash-flood modeling, diurnal-cycle studies, and convective-storm tracking.

Access

Python (earthaccess): short_name='GPM_3IMERGHH'
Portal: https://disc.gsfc.nasa.gov/datasets/GPM_3IMERGHH_07/summary

Gotchas

Volume is large (~48 granules/day); time-subset aggressively
Use Early (~4 hr latency) or Late (~12 hr) for operational NRT

Other datasets: d016

Sources

https://disc.gsfc.nasa.gov/datasets/GPM_3IMERGHH_07/summary

The access details, code, and sources below are kept in the original English for technical accuracy.

Quick access (cloud-direct)

gpm_3imerghh_access.py

import earthaccess
earthaccess.login(strategy="netrc")

results = earthaccess.search_data(
    short_name="GPM_3IMERGHH",
    bounding_box=(-122.5, 37.2, -121.8, 37.9),
    temporal=("2024-01-01", "2024-12-31"),
)
files = earthaccess.open(results)   # stream from GES DISC

Browsing CMR needs no login. Downloading or streaming bytes needs a free Earthdata Login + the earthaccess package.

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2 matching entries in the Knowledge Base:

§14 Glossary

GPM

Global Precipitation Measurement (NASA mission)

IMERG

Integrated Multi-satellitE Retrievals for GPM