direct readout applications using atovs anthony l. reale noaa/nesdis office of research and...
DESCRIPTION
NOAA POLAR OPERATIONAL SATELLITES NOAA-15 (1930 LST; no AVHRR, no AMSU-A channels 11, 13) NOAA-16 (1430 LST; AMSU-A Problems?) NOAA-17 (2230 LST; Fully Functional)TRANSCRIPT
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DIRECT READOUT APPLICATIONS USING
ATOVS
ANTHONY L. REALENOAA/NESDIS
OFFICE OF RESEARCH AND APPLICATIONS
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POES (K-N`) Instruments
AVHRR
HIRS
SARR
AMSU
• May 1998:
The launch of NOAA-15 ushers in a new era in remote sensing…
Courtesy of Paul Menzel
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NOAA POLAR OPERATIONAL SATELLITES
• NOAA-15 (1930 LST; no AVHRR, no AMSU-A channels 11, 13)
• NOAA-16 (1430 LST; AMSU-A Problems?)
• NOAA-17 (2230 LST; Fully Functional)
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ATOVS ATMOSPHERIC RADIOMETER SOUNDERS
• High-resolution Infrared Radiation Sounder (HIRS); 20-channels @17km…..Clouds, clear-sky Temperature, Moisture, and Surface
• Advanced Microwave Sounding Unit-A (AMSU-A); 15-channels @50km…..All-sky Temperature, TPW, Cloud Water, and Surface
• Advanced Microwave Sounding Unit-B (AMSU-B); 5-channels @16km…..All-sky Moisture, and Surface
• Advanced Very High Resolution Radiometer (AVHRR); 6-channels @1.0 km (LAC), 4.0 km (GAC)……Clouds, clear-sky Surface
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POES Products
• Input for forecast weather models• 3-D measurements of temperature and
humidity• Cloud imagery• Sea surface temperature observations• Snow and ice cover• Vegetation index• Aerosol observations• Atmospheric ozone measurements• Fire detection and monitoring• Volcanic ash cloud tracking
Hurricane Floyd
Fires at Los AlamosCourtesy of Paul Menzel
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• Products from ATOVS
Courtesy of Tony Reale
• Satellite vs. NWP departure fields help focus attention on important mesoscale features
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CLOUDS AND MOISTURE
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Fig 15
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10
NOAA-15 polar orbiting satellite 3 channel composite view of hurricane Bonnie the morning of August 25
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11
Hurricane Bonnie’s warm core revealed in temperature anomaly cross section derived using NOAA-15
Advanced Microwave Sounding Unit (AMSU) data
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• Direct Readout
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DIRECT READOUT PROCESSING
• MORE TIMELY• FULL DENSITY (ie, AVHRR “LAC”) • INDEPENDENCE• LOCAL INFLUENCES
• FEEDBACK TO NESDIS
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ENVIRONMENTAL SCIENCE APPLICATIONS
• NUMERICAL WEATHER PREDICTION INITIALIZATION
• ENVIRONMENTAL MONITORING
• CLIMATE
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• Ground Truth – Utilizing available RAOB Data
Courtesy of Tony Reale
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Drought in South America
Most affected are Brazil, Paraguay, Argentina, and Uruguay
AVHRR data delineates areas of vegetation stress (Red areas)
Data provided to USDA (Foreign Agriculture Service)
Started in October 1999 and continues
Courtesy of Jim Purdom
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• AMSU Hurricane Intensity Estimation
• AMSU (blue) / GOES (dashed red) relative viewing geometry
Courtesy of Paul Menzel
NOAA-15 AMSU-A T(C) 2332 UTC 11 Sep 99GOES-8 IR 2315 UTC 11 Sep 99
“Hurricane Floyd”
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Education and
Training…
• Building bridges — transferring knowledge between scientific, academic, and operational communities
Users
VendorsScienceTeams
POES/NPOESS
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Turning the pages to a new chapter in remote
sensing…
Photo Courtesy of NOAA Photo Library