Effects of Synoptic Surveillance on model forecasts for
16 September 2004 1200 UTC
Ivan.
Quicktime movie of AVN DLM wind model
forecast
Quicktime movie of DLM wind data
increment
Figure 1.
NCEP 850 - 200 hPa mean wind analysis for 16 September 2004
1200 UTC (Hurricane Ivan).
Figure 2.
Track forecasts for the no dropwindsonde (NO or NN) and the
all dropwindsonde (AL) runs for the AVN and GFDL models initialized on
16 September 2004 1200 UTC.
Figure 3.
Initial condition differences in the 850 - 200 hPa mean wind
between the no and all dropwindsonde cases for 16 September 2004 1200 UTC.
Figure 4.
16-h forecast differences in the 850 - 200 hPa mean wind
between the no and all dropwindsonde cases for 16 September 2004 1200 UTC.