Figure 3: Surface Pressure and Air Temperature Distributions (IMAGE)
Caption
The respective surface pressure and air temperature distributions at around 1,500 meters (top); average temperature (potential temperature) inside the dashed areas and the wind speed vertical profile (bottom), for the forecast with additional observations (left) and the "normal" forecast, or forecast without using additional observation data (right). In the figures at the top, the black lines show the actual paths of low pressure; the thin pink lines indicate the paths as forecast through multiple trials (ensemble forecast). The forecast with additional observations matches closely with the black line, but the path and location of the low pressure trough are significantly off in the "normal" forecast, showing high uncertainty (variation in the ensemble forecast is large).
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NIPR/JAMSTEC
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