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GLOBAL
PRECIPITATION
MEASUREMENT
SEARCH
QUESTIONS
* Missions
* 1. GPM
1. GPM Core Observatory
2. GPM Microwave Imager (GMI)
3. Dual-frequency Precipitation Radar (DPR)
4. GPM Constellation
5. Launch
6. GPM 10 Year Anniversary
2. TRMM
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3. Extreme Weather News
4. Articles
* Data
* 1. Data Directory
2. Data Sources
3. Data News
4. Data FAQ
5. Data Policy
6. Training
7. Tutorials
8. Ground Validation Data
9. IMERG
1. Precipitation Climatology
2. Seasonal Precipitation Variations
10. Visualization
1. IMERG Global Viewer
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3. Precipitation & Applications Viewer
11. Articles
* Applications
* 1. Ecology
2. Water & Agriculture
3. Energy
4. Weather
1. Extreme Weather News
5. Health
1. Disease Initiative
6. Disasters
1. Landslides
7. Who's Using GPM Data
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* Science
* 1. Research Topics
1. Storm Structure and Mesoscale Dynamics
2. The Global Water Cycle
3. Climate Analysis
4. Precipitation Microphysics
2. Ground Validation
1. Field Campaigns
2. Ground and Airborne Instruments
3. Validation
3. Precipitation Algorithms
4. Meetings
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6. Articles
* Resources
* 1. Frequently Asked Questions
2. Image Gallery
3. Video Gallery
4. Documents
5. GPM Refereed Publications
6. TRMM Refereed Publications
7. 3D Printed GPM Precipitation Data
8. Media & Press Resources
9. Glossary
10. All Articles
* Education
* 1. Water Cycle
2. Weather & Climate
3. Societal Applications
4. Technology
Image
HURRICANE JOHN GIVES SOUTHERN MEXICO A SURPRISE ONE-TWO PUNCH
[Goto Spanish translation; Ir a la traducción al español] On Monday evening,
Sept. 23, 2024, an unusual hurricane struck southern Mexico, dumping 20 inches
of rainfall along the coast according to estimates from NASA's IMERG
precipitation product. The following image shows these rainfall estimates:
Image Click here for a full resolution version of this image. Observations
from an...
READ THE FULL STORY
VIEW MORE ARTICLES
Image
2024 GPM MENTORSHIP PROGRAM
For the third consecutive year, NASA’s Global Precipitation Measurement Mission
applications team and University of Coimbra’s Earth and Space Science Center
(CITEUC Portugal) collaborated to host the GPM Mentorship Program. The 2024
initiative built on previous years' successes, supporting new users from
established and underrepresented user communities and providing a tailored
hands-on...
READ THE FULL STORY
VIEW MORE ARTICLES
Image
IMERG OBSERVES HEAVY PRECIPITATION FROM HURRICANE MILTON
While the GPM Core Observatory’s instruments show exceptional detail in Milton’s
rainfall structure in several overpasses throughout the week, the IMERG global
multi-satellite product provides a broader overview of precipitation along
Milton’s track as a continuous picture from development through landfall. Video
file Download this video (right-click -> "save as") The above animation shows
IMERG...
READ THE FULL STORY
VIEW MORE ARTICLES
Image
POWERFUL HURRICANE MILTON FORMS IN THE GULF OF MEXICO, SWEEPS INTO FLORIDA
Updated Oct. 10, 2024 Click here for a visualization of IMERG precipitations and
totals from Hurricane Milton. After forming in the Bay of Campeche, Hurricane
Milton underwent a remarkable period of rapid intensification with its central
pressure falling from 1007 mb (29.74 inches of mercury, inHg) at 11:00 a.m. EDT
Oct. 5 to 897 mb (26.49 inHg) at 8:00 p.m. EDT on Oct. 7. At this time...
READ THE FULL STORY
VIEW MORE ARTICLES
Image
POWERFUL HURRICANE HELENE MAKES LANDFALL IN FLORIDA’S BIG BEND
After tracking through the eastern Gulf of Mexico and battering much of the west
coast of Florida with strong winds and storm surge, Hurricane Helene made
landfall in the Big Bend region of Florida’s northwest coast at 11:10 pm EDT
about 10 miles west-southwest of Perry, Florida, as a powerful Category 4
hurricane with maximum sustained winds reported at 140 mph by the National
Hurricane Center...
READ THE FULL STORY
VIEW MORE ARTICLES
Image
HURRICANE JOHN GIVES SOUTHERN MEXICO A SURPRISE ONE-TWO PUNCH
[Goto Spanish translation; Ir a la traducción al español] On Monday evening,
Sept. 23, 2024, an unusual hurricane struck southern Mexico, dumping 20 inches
of rainfall along the coast according to estimates from NASA's IMERG
precipitation product. The following image shows these rainfall estimates:
Image Click here for a full resolution version of this image. Observations
from an...
READ THE FULL STORY
VIEW MORE ARTICLES
Image
2024 GPM MENTORSHIP PROGRAM
For the third consecutive year, NASA’s Global Precipitation Measurement Mission
applications team and University of Coimbra’s Earth and Space Science Center
(CITEUC Portugal) collaborated to host the GPM Mentorship Program. The 2024
initiative built on previous years' successes, supporting new users from
established and underrepresented user communities and providing a tailored
hands-on...
READ THE FULL STORY
VIEW MORE ARTICLES
Image
IMERG OBSERVES HEAVY PRECIPITATION FROM HURRICANE MILTON
While the GPM Core Observatory’s instruments show exceptional detail in Milton’s
rainfall structure in several overpasses throughout the week, the IMERG global
multi-satellite product provides a broader overview of precipitation along
Milton’s track as a continuous picture from development through landfall. Video
file Download this video (right-click -> "save as") The above animation shows
IMERG...
READ THE FULL STORY
VIEW MORE ARTICLES
Image
POWERFUL HURRICANE MILTON FORMS IN THE GULF OF MEXICO, SWEEPS INTO FLORIDA
Updated Oct. 10, 2024 Click here for a visualization of IMERG precipitations and
totals from Hurricane Milton. After forming in the Bay of Campeche, Hurricane
Milton underwent a remarkable period of rapid intensification with its central
pressure falling from 1007 mb (29.74 inches of mercury, inHg) at 11:00 a.m. EDT
Oct. 5 to 897 mb (26.49 inHg) at 8:00 p.m. EDT on Oct. 7. At this time...
READ THE FULL STORY
VIEW MORE ARTICLES
Image
POWERFUL HURRICANE HELENE MAKES LANDFALL IN FLORIDA’S BIG BEND
After tracking through the eastern Gulf of Mexico and battering much of the west
coast of Florida with strong winds and storm surge, Hurricane Helene made
landfall in the Big Bend region of Florida’s northwest coast at 11:10 pm EDT
about 10 miles west-southwest of Perry, Florida, as a powerful Category 4
hurricane with maximum sustained winds reported at 140 mph by the National
Hurricane Center...
READ THE FULL STORY
VIEW MORE ARTICLES
Image
HURRICANE JOHN GIVES SOUTHERN MEXICO A SURPRISE ONE-TWO PUNCH
[Goto Spanish translation; Ir a la traducción al español] On Monday evening,
Sept. 23, 2024, an unusual hurricane struck southern Mexico, dumping 20 inches
of rainfall along the coast according to estimates from NASA's IMERG
precipitation product. The following image shows these rainfall estimates:
Image Click here for a full resolution version of this image. Observations
from an...
READ THE FULL STORY
VIEW MORE ARTICLES
* 1
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PreviousNext
NASA satellite precipitation data is made freely available to all researchers
who wish to use it. Visit this section for a directory of data products,
documentation, training materials and more.
GPM & TRMM Data Directory
Data News
1997 - 2015
2014 - Present
NASA’s Global Precipitation Measurement Mission (GPM) uses satellites to measure
Earth's rain and snowfall for the benefit of mankind. Launched by NASA and JAXA
on Feb. 27th, 2014, GPM is an international mission that sets the standard for
spaceborne precipitation measurements. Using a network of satellites united by
the GPM Core Observatory, GPM expands on the legacy of the Tropical Rainfall
Measuring Mission (TRMM) by providing high quality estimates of Earth’s rain and
snowfall every 30 minutes. Learn More
Celebrate GPM's 10th Anniversary!
Learn how GPM datasets are being used by government agencies and other
organizations around the world to study natural disasters, public health,
freshwater resources, and a variety of other application areas.
Learn more about GPM Applications
Extreme Weather News
NEAR REAL-TIME IMERG
LATEST HALF-HOUR OF EARTH'S PRECIPITATION
The Integrated Multi-satellitE Retrievals for GPM product combines precipitation
observations using infrared and microwave sensors from a constellation of
partner satellites, united by the GPM Core Observatory, to provide near
real-time half-hourly precipitation estimates at 10km resolution for the entire
globe.
* Learn More about IMERG
* Download IMERG Data
* View this and other GPM visualizations at the NASA Scientific Visualization
Studio (SVS)
RELATED PROJECTS
LANDSLIDES @ NASA
NASA scientists are building a catalog of landslides so we can be prepared when
the next natural disaster strikes. Join our citizen science project to help
track landslides and improve prediction models.
NASA DISASTERS PROGRAM
The NASA Earth Applied Science Disasters program area promotes the use of Earth
observations to improve prediction of, preparation for, response to, and
recovery from hazards and disasters.
GLOBE OBSERVER
An international citizen science initiative to understand our global
environment. Your observations help scientists track changes in clouds, water,
plants, and other life in support of climate research.
UPCOMING EVENTS
OCT. 10, 2024
GPM 10-in-10 Webinar: Ground Validation
Virtual
NOV. 14, 2024
GPM 10-in-10 Webinar: Behind the Scenes and Looking Toward the Future
Virtual
* NASA Official: George Huffman
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