Effects of Synoptic Surveillance on model forecasts for
Hurricane Dora.


QuickTime movie of DLM wind analyses
QuickTime movie of DLM wind data initial increments


Assessments for each forecast time at
August 14, 1999 18 Z
August 15, 1999 00 Z * 06 Z 12 Z
* Synoptic surveillance nominal times



Figure 1a. Track forecast errors for the no dropwindsonde (NO or NN) and the all dropwindsonde (AL) runs for the GFS and GFDL models for the Hurricane Dora synoptic surveillance mission.


Figure 1b. Track forecast improvements for the GFS and GFDL models for the the Hurricane Dora synoptic surveillance mission.


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