Title: HDFEOS at NOAANESDIS
1HDF-EOS at NOAA/NESDIS
- Huan Meng, Doug Moore, Limin Zhao, Ralph Ferraro
- NOAA / NESDIS / ORA
- http//orbit-net.nesdis.noaa.gov/arad2/MSPPS
- hmeng_at_nesdis.noaa.gov
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
2Presentation Outline
- Microwave Surface and Precipitation
Products - (MSPPS) Project Background
- MSPPS System Introduction
- Product Display and Monitoring
- Lessons Learned Using HDF-EOS
- Future Plans
- Other NESDIS Projects Using HDF/HDF-EOS
- Summary
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
3MSPPS Project Background
- Project Motivation
- NWS/NCEP interest and demand
- Team Setup
- Satellite and Instruments
- NOAA-15 or NOAA-K (May 13, 1998)
- AMSU-A (23.8 89.0 GHz)
- AMSU-B (89.0 190.31 GHz)
- Project Goal
- Produce near-real-time operational
surface and precipitation - products from AMSU-A and AMSU-B
antenna temperatures -
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
4MSPPS System Introduction
- Day-1 System (operational,
near-real-time) - Product suite
- Level 1 3 data processing
procedure - HDF-EOS file structure
- Prototype Day-2 System (for research,
next day) - Combined AMSU-A and -B
swath/grid files - Day-2 System (testing,
near-real-time) - Product suite
- Level 1 3 data processing
procedure - HDF-EOS file structure
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
5Uniqueness of MSPPS for NESDIS
- First Using HDF-EOS Format
- Workstation Processing
- Day-1 System Operational in 12 18
Months
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
6Day-1 Product Suite
-
- Product Surface AMSU-A
AMSU-B - Antenna Temperature Global ?
? - Snow Cover Land ?
- Rain Rate Global ?
- Sea Ice Concentration Ocean ?
- Total Precipitable Water Ocean ?
- Cloud Liquid Water Ocean ?
-
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
7MSPPS Day-1 System
NCEP (BUFR)
CIRA (HDF-EOS)
AMSU-A, -B Level-1B Data Ingestion
NCEP GDAS (GriB -gt HDF-EOS)
NCEP Rainfall (GriB)
Level-2 Product Generation
SWATH (HDF-EOS)
Product Validation Monitoring
1b (Binary)
Radiosonde (Binary)
SWATH (HDF-EOS)
GRID (HDF-EOS)
ARM (netCDF)
Level-3 Product Generation
SSM/I (Binary -gt HDF-EOS)
TRMM (HDF)
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
8Day-1 AMSU-A File Structures
(HDF-EOS format)
Attributes Geolocation, etc.
Antenna Temperatures Products
Geolocation, etc. Antenna Temperatures
Products
Geolocation, etc. Products
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
9Day-1 AMSU-B File Structures
(HDF-EOS format)
-
AMSU-B Swath -
-
-
- AMSU-B Grid - Geographic
Attributes Geolocation, etc.
Antenna Temperatures
Geolocation, etc. Antenna Temperatures
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
10Prototype Day-2 System
- Combined Swath File
- Input from both AMSU-A and
AMSU-B swaths - Day-1 products using improved,
physically-based, - multispectral algorithms in day-2
- More products
- Improved resolution and
sensitivity - Combined Grid File - Geographic
Projection - Web site utilization
-
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
11Day-2 Product Suite
- Product Surface AMSU-A AMSU-B
- Antenna Temperature Global ?
? - Snow Cover Land ?
- Rain Rate Global ?
- Ice Water Path Global ?
- Sea Ice Concentration Ocean ?
- Total Precipitable Water Ocean ?
- Cloud Liquid Water Ocean ?
- Emissivity Land ?
- Surface/Skin Temperature Land ?
- Snow Depth Land ?
- Ocean Wind Speed Ocean ?
- Surface Wetness Land ?
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
12MSPPS Day-2 System
AMSU-A Level-1B Data Ingestion
AMSU-A Level-2 Product Generation
Level-3 Product Generation
SWATH (HDF-EOS)
1b (Binary)
GRID (HDF-EOS)
SWATH (HDF-EOS)
AMSU-B Level-2 Product Generation
AMSU-B Level-1B Data Ingestion
AMSU-B Preliminary Level-2 Data
SWATH (HDF-EOS)
1b (Binary)
Product Validation Monitoring
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
13Day-2 AMSU-B File Structures
(HDF-EOS format)
-
AMSU-B Swath -
-
-
- AMSU-B Grid - Geographic
Attributes Geolocation, etc.
Antenna Temperatures Products
Geolocation, etc. Antenna Temperatures
Products
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
14Product Display and Monitoring
- Display Tools
- IDL, GUI for validation with
subsetting - SeaDAS, view_hdf,
LinkWinds/WebWinds, GrADS - Web Site
- http//orbit-net.nesdis.noaa.go
v/arad2/MSPPS - Display and Monitoring
- Day-1 image products
- Day-1 product monitoring
- Climate images
- Day-2 image products and comparison with
day-1 -
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
15Lessons Learned Using HDF-EOS
- Advantages of HDF-EOS
- Past Challenges
- Format conversion to and from
HDF-EOS - Frequent version updates
- Compression method
- AUTOMERGE ? HDFE_NOMERGE
- Skipping Huffman ?
gzip - Continuing Problems
- Array size, array number?
- Writing to an existing swath
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
16Future Plans
- NOAA-16 or NOAA-L
- Launch date Sept. 20, 2000
- Instruments AMSU-A and AMSU-B
- Operational Day-2 System
- NOAA-16 product system
- System delivery Dec. 2000
- Validation of Day-2 Products
- Launch of DMSP SSMIS
- Launch date Dec. 2000
-
-
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
17Other NESDIS Projects Using HDF/HDF-EOS
- Atmosphere Infrared Sounder (AIRS)
Project - EOS_AQUA, July 2001
- Input (simulated) level 1b
data in HDF-EOS format from JPL - Output desired fields in HDF
format to NCEP within 3 hrs - Unified Validation Project
- Group 1
- Input NCEP observation
data in BUFR to HDF format - Operational, next day
- Group 2
- Input binary observation
data and convert to HDF-EOS format - Validation of AIRS,
SSM/I, SSMIS, and IPO products -
-
-
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS
18Summary
- HDF-EOS as Standard Output Format for
MSPPS - Increased Utilization of HDF-EOS at
NESDIS - Advantages of HDF-EOS Application
- Remaining Challenges
-
-
NOAA / NESDIS / ORA
http// orbit-net.nesdis.noaa.gov/arad2/MSPPS