MDSS SYSTEM CONFIGURATION

Table 6.1. Iowa Maintenance Routes for the MDSS Field Demonstration

Supplemental Numerical Weather Prediction Models

MDSS_Tech_Perf_Report_2912
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MDSS SYSTEM CONFIGURATION

The MDSS core components (e.g., Road Weather Forecast System, Road Condition and

Treatment Module and data server) were operated centrally at NCAR in Boulder,

Colorado. A server at NCAR communicated (via the Internet) with local PCs running the

display application at the Iowa DOT maintenance garages. Supplemental weather

forecast models were run at FSL in Boulder and the data forwarded to NCAR for

inclusion in the RWFS. Iowa DOT RWIS data were provided to NCAR via FSL as part

of the Meteorological Assimilation Data Ingest System (MADIS) program.

The MDSS displays were located in three maintenance garages. Each garage had an

instance of the MDSS display running at the supervisor's desk. Data were obtained over

the Internet (client-server approach). A simplified illustration of the system configuration

is provided in Fig. 7.1.

NCAR (Boulder, CO)

Numerical Weather

Prediction Models

Surface Observations

Forecast System

Model Statistics

Road Condition and

Treatment Module

Iowa DOT Des Moines

NOAA/FSL (Boulder, CO)

Numerical Weather

Prediction Models

Iowa DOT Des Moines

Road characteristics

Route characteristics

Fig. 7.1. Depiction of the prototype MDSS configuration for the winter 2003-2004 Iowa

field demonstration. All network MDSS connections to the sites were via the Internet.

Western Governors University

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