Browse radar Resources

Browse radar Resources

Size Matters: Measuring Raindrop Sizes from Space

Size Matters: NASA Measures Raindrop Sizes From Space to Understand Storms
Primary Topic: 
Water Cycle
Subtopics: 
Precipitation, Water Properties, Technology, Remote Sensing
Type: 
Video
Audience: 
Outreach, Informal, Formal, General
Standards: 
ESS2.A
Keywords: 
DPR, radar, drop sizes, drop distribution
Summary: 
This video explains why the size and shape of raindrops in a cloud matters to scientists, and how the Global Precipitation Measurement Mission is able to provide these measurements from space.

Ground Validation and OLYMPEX Webquest – Elementary Version

Ground Validation and OLYMPEX Webquest – Elementary Version
Primary Topic: 
Technology
Subtopics: 
Precipitation, Water Properties, STEM Careers, Data, Societal Applications, Freshwater Resources
Type: 
Interactive
Audience: 
Formal, K - 5
Standards: 
ESS2.A, ESS2.D
Keywords: 
OLYMPEX, ground validation, rain gauge, radar, airborne instruments, rain shadow
Summary: 
You will learn how we measure rain and snow from the ground and from space using satellites, and why we need to check the data using ground validation. This particularly relates to the OLYMPEX Field Campaign.

Ground Validation and OLYMPEX Webquest

Primary Topic: 
Technology
Subtopics: 
Precipitation, Remote Sensing, STEM Careers, Data, Freshwater Resources
Type: 
Interactive
Audience: 
Formal, 9 - 12, 6 - 8
Standards: 
ESS2.C, ESS2.D
Keywords: 
OLYMPEX, ground validation, rain gauge, radar, airborne instruments
Summary: 
You will learn how we measure precipitation from the ground and from space using satellites, and why we need to do ground validation of the satellite data. You will also learn about the OLYMPEX Field Campaign.

Active and Passive Remote Sensing Diagram

Diagram which illustrates active and passive remote sensing
Primary Topic: 
Technology
Subtopics: 
Satellites, Remote Sensing
Type: 
Image
Audience: 
Informal, General, 6 - 8, 9 - 12
Keywords: 
passive, active, radar, radiometer, frequency
Summary: 
This diagram illustrates the differences between active and passive remote sensing.  TRMM and GPM rely on active and passive instruments to measure the properties of precipitation from space.

Dual-frequency Precipitation Radar Arrives at Goddard

A NASA engineer removing the DPR from its shipping container
Primary Topic: 
Technology
Subtopics: 
Remote Sensing, STEM Careers
Type: 
Video
Audience: 
Outreach, General
Standards: 
ESS2.A
Keywords: 
DPR, radar, Goddard Space Flight Center, JAXA
Summary: 
Engineers from the Japan Aerospace Exploration Agency (JAXA) and NASA Goddard Space Flight Center in Greenbelt, Md. oversee the arrival and unpacking of the dual-frequency Precipitation Radar.