Use of Satellite Data in Local Analysis and Modeling Dan Birkenheuer Forecast Systems Laboratory Boulder, CO birk@fsl.noaa.gov 303 497 5584 http://laps.fsl.noaa.gov/birk/comap/comet/index.htm

9/15/99


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Table of Contents

Use of Satellite Data in Local Analysis and Modeling Dan Birkenheuer Forecast Systems Laboratory Boulder, CO birk@fsl.noaa.gov 303 497 5584 http://laps.fsl.noaa.gov/birk/comap/comet/index.htm

Data Available to the Forecaster

Image data from Satellite Broadcast Networks (SBN)

Various Approaches for Assimilation

Sounding Retrievals

Sounding Retrievals (cont.)

Variational Assimilation

Variational Assimilation (cont.)

Variational Assimilation (cont.)

PPT Slide

Approaches to radiance assimilation in LAPS (a bit of history)

The zero-dimensional variational problem (Illustration)

Multi-source variational problem

Theory of GOES LAPS Moisture Adjustment

Impact on Local Forecasting

Better Data Mean Better Analysis

GOES Derived Precipitable Water (GVAP)

PPT Slide

Plans

Summary

Author: Daniel Birkenheuer