The Impact of Assimilating Atmospheric Infrared Sounder Observation on the Forecast of Typhoon Tracks

Figure 6

The forecasts initialized at 18 UTC, 12 September 2008, with LEN_SCALING = 1.0 and VAR_SCALING = 0.1–1.0 step 0.1. Color scale is shown at the upper left corner, black curve is the control run without AIRS data, and blue curve is the observed track.