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Clouds over Flores Island, Indonesia

MODIS; aboard NASA’s Aqua satellite flew over Indonesia and captured this true-color image of spectacular clouds rising over the landscape.

Tropical Cyclone Alessia (02S) over Australia

The first storm of the Australian region's cyclone season threatened Australia’s Top End in late November 2013.

Plume from Sakura-jima, southern Japan

On November 23, 2013 violent eruptions shook Japan’s Sakura-jima volcano.

Tropical Storm Issac

In late August 2012, Tropical Storm Isaac hovered over the Caribbean Sea, taking aim at populated areas. At 2:00 p.m. EDT on August 23, shortly after MODIS took this picture, the U.S.

Fires and smoke in western United States

The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this true-color image of the fires on August 13, 2012.

Latest News

Terra MODIS experienced a data corruption issue stemming from the Science Formatter Equipment (SFE) Assembly. Terra FOT cycled the formatter and MODIS science data acquisition resumed as expected. Data is unavailable for day 2017/114 (04/25/2017) from 03:44:03 - 19:44:58. Similar anomalies have occurred previously. Link to post of the previous incident: https://mcst.gsfc.nasa.gov/news/terra-science-formatter-equipment-sfe-anomaly

In support of the upcoming Collection 6.1 reprocess, MCST applied a correction for the electronic crosstalk (Xtalk) contamination in the Terra MODIS photovoltaic (PV) long-wave infrared (LWIR) bands 27-30. Using scheduled lunar observations, the correction coefficients are derived and applied to the on-board calibrator (OBC) data and Earth-view (EV) data to correct the L1B calibrated radiance for bands 27-30. This results in a significant reduction in the image striping and radiometric biases in the L1B data.

MODIS Collection 5 data products will no longer be produced after the end of March 2017. Collection 6 data products were introduced in 2012 and are available for the entire mission record for both Terra and Aqua MODIS. 
For information on Collection 6 improvements over Collection 5, see https://mcst.gsfc.nasa.gov/content/collection-6-information
For information on MODIS data products, see https://modis.gsfc.nasa.gov/data/

Congratulations to the members of the MODIS Characterization Support Team on receiving the 2015 NASA Group Achievement Award "for 20 years of expert and dedicated characterization of MODIS instruments on Terra and Aqua leading to unprecedented achievement in understanding Earth processes."

Following several science tests and meetings with representatives from the science user community, the updated RVS algorithm for Aqua MODIS bands 1-4 is now in forward production. The change was implemented starting with granule 2016209.0000 (July 27, 2016 00h:00m:00s). This change removes the need for de-trending corrections, previously applied to Land products. Land products should not see a change in the data trends. Atmospheric products that include inputs from these bands may see a step change at the implementation time.

MODIS Characterization Support Team

The MODIS Characterization Support Team (MCST) is dedicated to the production of a high quality MODIS calibration product. This product is a precursor to every geophysical science product. MCST works for the Science Team Leader and is responsible for developing and maintaining the calibration product (L1B algorithm).

Tags: Calibration

Calibration

Collection 6 has been under development for a number of years. MCST, in consultation with representatives of the science disciplines, developed improvements to the calibration algorithms and methodolgies to handle known issues with the aging MODIS sensors. Summary talks of the proposed Collection 6 changes have been delivered at the MODIS science team meetings over the last few years.

L1B

Current L1B LUT Versions:

Terra C6: 6.1.26.85; Terra C6.1: 6.2.2.97; Aqua C6: 6.1.37.88; Aqua C6.1: 6.2.3.21

Tags: L1B Product

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