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2006 IHC – Mobile, Alabama20 – 24 March 2006
JHT Project: Operational SFMR-NAWIPS Airborne Processing and Data Distribution Products
OUTLINE JHT Project Scope Auto Calibration HS 2006
Dr. Peter Black & Eric UhlhornNOAA / AOML / HRD
Dr. Paul ChangNOAA / NESDIS / ORA
Dr. James CarswellRemote Sensing Solutions
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Project Objectives
Year 1 MilestonesAuto Calibration / Tuning Algorithm*Real-time & Post Comparison ToolsReal-time Quality Control Algorithm
(Version 1.0)– Land Flag– Bathometry Flag
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Project Objectives (cont.)
Year 1 Milestones (cont.)Real-time SST Ingestion (Version 1.0)
– SST Table Generation– SST Table Lookup
2006 IHC – Mobile, Alabama 20 - 24 March 2006
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
2006 IHC – Mobile, Alabama 20 - 24 March 2006
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
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Calculating Brightness Temperature
DickeSwitch
InternalCold/Hot
Load
ReferenceLoad
LNA
VCO
RF BPFAMPIF BPFDetection/Sample &
HoldBoard
Vical
Vref
VA’
l1
refrefrefical
refAb TTK
VV
VVT
Assumption: Antenna feed / antenna absorptive losses are very small.
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Calibration Equation
refrefbrefA
refical TTTVV
VVK
where:
Vical, Vref, VA are digitized voltages
Tref reference load physical temperature
2006 IHC – Mobile, Alabama 20 - 24 March 2006
SFMR Brightness TemperatureVs. Ocean Surface Wind Speed
Brig
htne
ss T
empe
ratu
re (
Kel
vin)
Ocean Surface Wind Speed (m/s)1 10 100
180
160
140
120
100
7.09 GHz
4.74 GHz
Nice Calibration Region
Not So NiceCalibration Region
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Latit
ude
(deg
rees
)
Longitude (degrees)
29 June 2005 – N43RF
SFMR Calibration FlightFlight Track
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Alti
tude
(m
)
Time (seconds)
29 June 2005 – N43RF
SFMR Calibration FlightAltitude
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Flig
ht L
evel
Win
d S
peed
(m
/s)
Time (seconds)
29 June 2005 – N43RF
SFMR Calibration FlightFlight Level Wind Speed
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Flig
ht L
evel
Air
Tem
pera
ture
(de
g C
)
Time (seconds)
29 June 2005 – N43RF
SFMR Calibration FlightFlight Level Air Temperature
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Cal
ibra
tion
Num
ber
(deg
C)
Time (seconds)
29 June 2005 – N43RF
SFMR Calibration FlightAuto Calibration Number
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Cal
ibra
tion
Num
ber
Res
idua
l (de
g C
)
Time (seconds)
29 June 2005 – N43RF
SFMR Calibration FlightAuto Calibration Number (cont.)
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Latit
ude
(deg
rees
)
Longitude (degrees)
26 September 2005 – N43RF
SFMR Post Rita FlightFlight Track
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Alti
tude
(m
)
Time (seconds)
26 September 2005 – N43RF
SFMR Post Rita FlightAltitude
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Flig
ht L
evel
Win
d S
peed
(m
/s)
Time (seconds)
26 September 2005 – N43RF
SFMR Post Rita FlightFlight Level Wind Speed
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Flig
ht L
evel
Air
Tem
pera
ture
(de
g C
)
Time (seconds)
26 September 2005 – N43RF
SFMR Post Rita FlightFlight Level Air Temperature
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Cal
ibra
tion
Num
ber
(deg
C)
Sample Number
26 September 2005 – N43RF
SFMR Post-Rita FlightAuto Calibration Number
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Latit
ude
(deg
rees
)
Longitude (degrees)
22 September 2005 – N43RF
SFMR Hurricane Rita FlightFlight Track
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Alti
tude
(m
)
Time (seconds)
22 September 2005 – N43RF
SFMR Hurricane Rita FlightAltitude
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Flig
ht L
evel
Win
d S
peed
(m
/s)
Time (seconds)
22 September 2005 – N43RF
SFMR Hurricane Rita FlightFlight Level Wind Speed
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Flig
ht L
evel
Air
Tem
pera
ture
(de
g C
)
Time (seconds)
22 September 2005 – N43RF
SFMR Hurricane Rita FlightFlight Level Air Temperature
2006 IHC – Mobile, Alabama 20 - 24 March 2006
Cal
ibra
tion
Num
ber
(deg
C)
Sample Number
22 September 2005 – N43RF
SFMR Hurricane Rita FlightAuto Calibration Number
2006 IHC – Mobile, Alabama 20 - 24 March 2006
2006 Hurricane Season
Deliverables Auto Calibration Algorithm & Procedures Calibration Monitoring Process Real-time SFMR Product Display Tools Bathometry Flag Land Flag
