ObsFunctions in UFOΒΆ
Observation Functions are more advanced filtering routines that are encapsulated together in a unit. They usually combine several complicated logic operations, and decomposing these filters into separate parts would have an obfuscating effect.
- ChannelUseflagCheckRad
Channel usage flag check for radiances
- CloudDetectMinResidualIR
Cloud detection using Minimum Residual Method for IR Sensors
- CLWMatchIndexMW
Cloud liquid water match index for microwave radiances
- CLWRetMW_SSMIS
Cloud liquid water for SSMIS
- InterChannelConsistencyCheck
Inter-channel consistency check for radiances
- NearSSTRetCheckIR
NCEP-GDAP near-sea-surface temperature IR retrieval
- ObsErrorBoundIR
Observation error bound for gross check
- ObsErrorBoundMW
Obseration error bounds for microwave radiances
- ObsErrorFactorConventional
Compute observation error inflation factor for conventional observations based on vertical spacing
- ObsErrorFactorLatRad
Observation error bound reduction within tropics
- ObsErrorFactorQuotient
Reject observations based on comparing final observation error to initial error estimate
- ObsErrorFactorSfcPressure
Inflate observation error for surface pressure (as in GSI)
- ObsErrorFactorSituDependMW
Compute error inflation factors for AMSU-A and ATMS
- ObsErrorFactorSurfJacobianRad
Inflate error using surface temperature and emissivity Jacobians
- ObsErrorFactorTopoRad
GSI error inflation as a function of terrain height, channel, and transmittance
- ObsErrorFactorTransmitTopRad
Satellite radiance observation error inflation factor
- ObsErrorFactorWavenumIR
Observation error inflation for satellite infrared sensors
- ObsErrorModelRamp
Parameterize observation error as a piecewise linear function
- ObsErrorModelStepwiseLinear
GSI variant of ObsErrorModelRamp
- ObsFunctionVelocity
Compute wind speed from u- and v- components
- RONBAMErrInflate
Observation error inflation factor for GnssroBndNBAM
- SatWindsLNVDCheck
log-normal vector difference (LNVD) between observed and model winds
- SatWindsSPDBCheck
Wind gross error check
- TropopauseEstimate
First-guess extimate of tropopause pressure from climatology
- WindDirAngleDiff
Compute wind direction angle different between observation and model