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  • Pacific Ocean off US/Canadian west coast
  • Masthead platform instrument info Multiple Platforms/Multiple Instruments
  • Masthead date range May 2015

The Blob

The large red splotch off the U.S./Canadian west coast is “The Blob,” an area of record warm sea surface temperatures in the Pacific Ocean. The Blob first appeared in the winter of 2013-2014, and finally began to break up in November 2015. This image shows The Blob at its greatest extent.

More About MUR SST Data

The Multi-scale Ultra-high Resolution Sea Surface Temperature (MUR SST) product is produced by the Group for High Resolution Sea Surface Temperature (GHRSST), and combines satellite measurements with in situ observations. It is among the highest resolution SST analysis datasets currently available.


NASA's data policy ensures that all NASA data are available fully, openly, and without restrictions. Here's what this means to you.


The Earth Observing System Data and Information System is a key core capability in NASA’s Earth Science Data Systems Program. It provides end-to-end capabilities for managing NASA’s Earth science data from various sources—satellites, aircraft, field measurements, and various other programs.

Glen Canyon National Recreation Area, Utah

Image captured on 26 March 2017 by the MODIS instrument, on board the Terra satellite.

Webinar: Create Difference Maps for NASA Data with Giovanni, Panoply, and Excel

Event Date: April 5, 2017

Two fundamental ways to use Earth remote sensing data are to examine anomalies and to monitor change. During this webinar we will show you how to generate difference maps with NASA Giovanni, Panoply and Excel. Join us to learn more!

When Our Data Users Talk, EOSDIS Listens

NASA’s EOSDIS constantly assesses user needs, and uses this input to continually improve data, products, and services.

User Profile: Mark Trice

Who uses NASA Earth science data? Mark Trice, to monitor the health of Chesapeake Bay.

The Maracaibo beacon

Researchers stalk seasonal lightning in the most struck place on Earth.

The Common Metadata Repository: The Foundation of NASA’s Earth Observation Data

The CMR provides fast, efficient search and access to NASA Earth science data and data products for data users around the world.

Annual EOSDIS Survey Shows Continued High Levels of Customer Satisfaction

NASA’s EOSDIS continues to provide high levels of customer satisfaction with its products and services, according to results from the 2016 American Customer Satisfaction Index (ACSI) survey.

Global Web Enabled Landsat Data (WELD) imagery added to Worldview

Global composites of 30m resolution Landsat imagery available in Worldview

New Lightning Imaging Sensor to be Installed on the International Space Station

The installation of a Lightning Imaging Sensor (LIS) on the International Space Station (ISS) will enable detection of 98% of Earth's lightning on an annual basis.

News & Events

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