2006 IHC – Mobile, Alabama

1
JHT Project Operational SFMR-NAWIPS Airborne
Processing and Data Distribution Products

• OUTLINE
• JHT Project Scope
• Auto Calibration
• HS 2006

Dr. Peter Black Eric Uhlhorn NOAA / AOML /
HRD Dr. Paul Chang NOAA / NESDIS / ORA Dr.
James Carswell Remote Sensing Solutions
2
Project Objectives

• Year 1 Milestones
• Auto Calibration / Tuning Algorithm
• Real-time Post Comparison Tools
• Real-time Quality Control Algorithm (Version
  1.0)
• Land Flag
• Bathometry Flag

3
Project Objectives (cont.)

• Year 1 Milestones (cont.)
• Real-time SST Ingestion (Version 1.0)
• SST Table Generation
• SST Table Lookup

4
Project Objectives (cont.)

• Year 2 Milestones
• Updated Retrieval Process
• Improved Atmospheric Model
• Improved Oceanic Emissivity Model
• Improved Retrieval Process (with negative rain
  rates)
• Real-time Quality Control Algorithms (Version
  2.0)
• RFI and Anomaly Removal.
• Auto Health Monitoring

5
Project Objectives (cont.)

• Year 2 Milestones
• Bathometry Flag (Version 2.0)
• Advanced Real-time Products
• Wind Radii (tropical storm, hurricane)
• Maximum Sustained Wind
• Different Temporal Products
• Integration into NAWIPS

6
Calculating Brightness Temperature
Assumption Antenna feed / antenna absorptive
losses are very small.
7
Calibration Equation
where Vical, Vref, VA are digitized
voltages Tref reference load
physical temperature
8
SFMR Brightness Temperature Vs. Ocean Surface
Wind Speed
180 160 140 120 100
7.09 GHz 4.74 GHz
Not So Nice Calibration Region
Nice Calibration Region
Brightness Temperature (Kelvin)
1
10
100
Ocean Surface Wind Speed (m/s)
9
SFMR Calibration Flight Flight Track
29 June 2005 N43RF
Latitude (degrees)
Longitude (degrees)
10
SFMR Calibration Flight Altitude
29 June 2005 N43RF
Altitude (m)
Time (seconds)
11
SFMR Calibration Flight Flight Level Wind Speed
29 June 2005 N43RF
Flight Level Wind Speed (m/s)
Time (seconds)
12
SFMR Calibration Flight Flight Level Air
Temperature
29 June 2005 N43RF
Flight Level Air Temperature (deg C)
Time (seconds)
13
SFMR Calibration Flight Auto Calibration Number
29 June 2005 N43RF
Calibration Number (deg C)
Time (seconds)
14
SFMR Calibration Flight Auto Calibration Number
(cont.)
29 June 2005 N43RF
Calibration Number Residual (deg C)
Time (seconds)
15
SFMR Post Rita Flight Flight Track
26 September 2005 N43RF
Latitude (degrees)
Longitude (degrees)
16
SFMR Post Rita Flight Altitude
26 September 2005 N43RF
Altitude (m)
Time (seconds)
17
SFMR Post Rita Flight Flight Level Wind Speed
26 September 2005 N43RF
Flight Level Wind Speed (m/s)
Time (seconds)
18
SFMR Post Rita Flight Flight Level Air Temperature
26 September 2005 N43RF
Flight Level Air Temperature (deg C)
Time (seconds)
19
SFMR Post-Rita Flight Auto Calibration Number
26 September 2005 N43RF
Calibration Number (deg C)
Sample Number
20
SFMR Hurricane Rita Flight Flight Track
22 September 2005 N43RF
Latitude (degrees)
Longitude (degrees)
21
SFMR Hurricane Rita Flight Altitude
22 September 2005 N43RF
Altitude (m)
Time (seconds)
22
SFMR Hurricane Rita Flight Flight Level Wind Speed
22 September 2005 N43RF
Flight Level Wind Speed (m/s)
Time (seconds)
23
SFMR Hurricane Rita Flight Flight Level Air
Temperature
22 September 2005 N43RF
Flight Level Air Temperature (deg C)
Time (seconds)
24
SFMR Hurricane Rita Flight Auto Calibration Number
22 September 2005 N43RF
Calibration Number (deg C)
Sample Number
25
2006 Hurricane Season

• Deliverables
• Auto Calibration Algorithm Procedures
• Calibration Monitoring Process
• Real-time SFMR Product Display Tools
• Bathometry Flag
• Land Flag