# Presentation: 116797

## MODIS Direct Broadcast Products at UW-Madison

- Recent Highlights
- 3000+ Terra MODIS passes acquired
- IMAPP Level 2 Atmosphere Products released in May 2002
- IMAPP Level 1 and 2 Products for Aqua MODIS in beta test

- _Liam Gumley_, Kathy Strabala,
- Tom Rink, Russ Dengel
- Space Science and Engineering Center
- University of Wisconsin-Madison

- Terra MODIS 2002/05/22 16:16 UTC
- SSEC Direct Broadcast

## International MODIS/AIRS Processing Package(IMAPP)

- Goal
- Provide freely available, portable, easy to install software for processing raw MODIS and AIRS/AMSU/HSB
- Example Users
- MODIS Land Rapid Response System
- University of Dundee
- German Remote Sensing Data Center
- ScanEx Corporation (Russia)
- University of Tokyo
- http://cimss.ssec.wisc.edu/~gumley/IMAPP/

## IMAPP Level 1 Products for Terra MODIS (v 1.3)

- Overview
- Components include Level 1A, Geolocation, Calibration
- Uses downlinked ephemeris and attitude for realtime processing
- Installation
- IRIX, SunOS, AIX, HP-UX, Intel Linux (gcc), Solaris x86 (gcc)
- Only toolkit required is HDF version 4.1
- Includes script for automated Level 0 to Level 1B processing
- Relationship to operational algorithm
- Calibration algorithm version 3.0.0; lookup tables version 3.0.0.7

## IMAPP Level 2 Products for Terra MODIS (v 1.1)

- Products include Cloud Mask, Cloud Top Pressure, Cloud Phase
- Atmospheric Profiles is in beta test
- Ancillary data are available from SSEC via anonymous FTP
- Details
- All IMAPP platforms are supported
- Both IMAPP and DAAC format Level 1B may be used as input
- Binary BIL intermediate file format is used (ENVI compatible)
- Output binary files may be converted to HDF

- Binary
- L2 Output

## IMAPP Level 1B Image

- Terra MODIS
- Band 2
- 0.87 microns
- 17:05 UTC
- 2002/07/17

## IMAPP Level 1B Image

- Terra MODIS
- Band 26
- 1.38 microns
- 17:05 UTC
- 2002/07/17

## IMAPP Cloud Mask

- Green: Clear
- Red: Uncertain
- White: Cloudy

## IMAPP Cloud Top Pressure

- Orange: Low
- Yellow: Mid
- Blue: High

## IMAPP Cloud Phase

- Blue: Water
- Pink: Ice
- Yellow: Mixed
- Green: Uncertain

## IMAPP Level 1 and 2 Products for Aqua MODIS

- Overview
- Shared Terra/Aqua code for Level 1A, Geolocation, and Calibration
- Will eventually requires separate Terra/Aqua code for Calibration
- Uses downlinked GBAD ephemeris/attitude for realtime processing
- All IMAPP platforms are supported
- Current Status
- Beta testing in progress (UW, GSFC, U. Hawaii)
- Assessing impact of GBAD ephemeris/attitude on Geolocation
- Level 1 available for release in August 2002
- Level 2 available in fall 2002

## Realtime Applications

- NASA/MSFC Short Term Prediction Research and Transition Center
- Infusion of ESE data into NWS regional forecast operations

- Terra MODIS 2002/07/18 16:10 UTC

- Cloud Mask

- Cloud Top Pressure

## Realtime Applications

- Plymouth Marine Laboratory, CLOUDMAP2
- Characterize sub grid-scale processes in NWP models

- True Color Composite

- Cloud Top Pressure

- Terra MODIS 2002/07/18 11:09 UTC

## Future Work

- MODIS
- Release Aqua compatible IMAPP Level-1 s/w(August 2002)
- Release Aqua compatible IMAPP Level-2 s/w (September 2002)
- Update Terra/Aqua calibration algorithm to v 4.0 (by end of 2002)
- AIRS/AMSU/HSB
- Evaluate and test pre-launch version of Level 1A s/w
- Obtain post-launch version of Level 1 suite (by end of 2002)
- Near realtime production of Level 1 products (by end of 2002)
- Modify Level 1 s/w for inclusion in IMAPP (early 2003)
- Release Level 1 s/w as part of IMAPP (summer 2003)