Meridian / PFSMeridian / PFS

MDSS CapabilitiesMDSS Capabilities

Leon OsborneLeon OsborneMeridian Environmental Technology, Inc.Meridian Environmental Technology, Inc.

Range of SolutionsRange of Solutions

Web-Based MDSSWeb-Based MDSS• Offers agencies a simple pathway to full MDSS Offers agencies a simple pathway to full MDSS

implementationimplementation

Stand-Alone MDSSStand-Alone MDSS• Provides full-featured MDSS functionalityProvides full-featured MDSS functionality

In-Vehicle MDSSIn-Vehicle MDSS• Provides route-specific forecasts, Provides route-specific forecasts,

recommendations and radar back into the recommendations and radar back into the trucktruck

Solid Scientific FoundationSolid Scientific Foundation

MPowerMPower™™ weather forecastsweather forecasts• Ensemble-basedEnsemble-based• Meteorologist editedMeteorologist edited• High-resolution grids for site-High-resolution grids for site-

specific forecasts specific forecasts anywhereanywhere

HiCAPSHiCAPS™™ pavement pavement forecastsforecasts• Sophisticated Mass / Energy Sophisticated Mass / Energy

balance modelbalance model• Enhanced with PFS MDSS module Enhanced with PFS MDSS module

additionsadditions• Validated with field observationsValidated with field observations

Web MDSSWeb MDSS Range of OptionsRange of Options

• ““Classic MDSS”Classic MDSS” Provides weather and pavement forecasts assuming no Provides weather and pavement forecasts assuming no

maintenance is performed.maintenance is performed.

• ““Best Practices MDSS”Best Practices MDSS” Classic features plus customized recommendations tailored Classic features plus customized recommendations tailored

to agencies’ typical response to combinations of weather to agencies’ typical response to combinations of weather and road conditions.and road conditions.

• ““Dynamic MDSS”Dynamic MDSS” Provides recommendations dynamically generated by the Provides recommendations dynamically generated by the

MDSS. Adheres to local resource constraints, but perhaps MDSS. Adheres to local resource constraints, but perhaps stepping outside of normal operating practices – provides stepping outside of normal operating practices – provides scientifically sound alternatives to normal practices.scientifically sound alternatives to normal practices.

“Classic MDSS”• Traditional service providing unlimited site-specific forecasts, enhanced map graphics, ‘no-maintenance’ pavement forecasts, and other supporting data displays

Enhanced Web MDSS Solutions• “Best Practices” and “Dynamic MDSS” provide an easy step up from the traditional service by adding maintenance recommendations & results

Stand-Alone MDSSStand-Alone MDSS Comprehensive SolutionComprehensive Solution

• Integrates past & present maintenance actions, weather, and Integrates past & present maintenance actions, weather, and road condition reportsroad condition reports

• Adheres to resource & practice constraints, and allows for day-Adheres to resource & practice constraints, and allows for day-to-day adjustments of those constraintsto-day adjustments of those constraints

• Provision for optimal, standard, and ‘what-if?’ virtual Provision for optimal, standard, and ‘what-if?’ virtual maintenance actionsmaintenance actions

• Features geared toward all levels of managementFeatures geared toward all levels of management

One-stop-shop conceptOne-stop-shop concept

Developed in concert with PFS statesDeveloped in concert with PFS states

Maintenance Actions

Modifications to Standard Practices

Results Expected from Proposed

Treatment

Road Condition Observations /

Analyses

Propose Alternative Treatment

‘Optimal’ Treatment & Expected Results

Maintenance Practices and

Activities Databases

MDSSProcessing& IntegrationSystem

RWIS

BLUE: Forecast / Theoretical RED: Real-Time / Actual BLACK: Applies to Both

SOLID: Automatic or Semi-Automatic Process DASHED: User-Driven Process

ResourcesUsed / Available

Road ConditionAnalysis &

Forecast System(RCAF)

High ResolutionGridded Weather

Forecast Database

High ResolutionGridded Weather

Observations Database

Observed & Analyzed Roadway

State DatabasesAvailable Resources

Database

Roadway & Environment

Characterization Database

Alert Panel• Provides an Overview of the Forecast Conditions for Viewed Area

• Equivalent Information is Available on a Per-Route Basis within Map View

Map View• Provides an Integrated Spatial Display of Weather Conditions, Road Conditions, and Maintenance Actions

• Includes Dynamic Zoom, Loop, and Overlay Controls

• Features Displayed are Selectable For More Detailed Information (Drill-Down)

Map View• Time Slider Allows User to Look Backward or Forward in Time

• Customized Map Views are Stored on a Per-User Basis

Route View• Displays Information for an MDSS Route in a Time-Series Format

• Conveys Past, Present, & Future Weather Conditions, Road Conditions, and Maintenance Actions

Route View• Generates & Displays Maintenance Recommendation Based On Present Road Condition, Forecast Weather Conditions, and Adjustable Resource & Material Constraints

• Can Identify and Simulate Anticipated Response of the Road to Standard Local Operating Practices

Route View• A Simple Sub-Interface of the Route View Allows the User to Test Alternative Maintenance Actions

One-Stop Shop Concept• Put Everything Together in One Place

One-Stop Shop Concept• Drill-Down Capabilities for More Detailed Information on Most Data Types

In-Vehicle MDSSIn-Vehicle MDSS

Puts Maintenance Decision Support Puts Maintenance Decision Support back into the plow operator’s handsback into the plow operator’s hands

Vehicle- and route-specific contentVehicle- and route-specific content

• Radar image of immediate vicinity of truckRadar image of immediate vicinity of truck• Short term forecast for current routeShort term forecast for current route• Maintenance recommendationsMaintenance recommendations

In-Vehicle MDSSIn-Vehicle MDSS(VISIT THE IWAPI BOOTH FOR LIVE DEMO)(VISIT THE IWAPI BOOTH FOR LIVE DEMO)

For More Information on the For More Information on the Meridian MDSS Solutions Visit:Meridian MDSS Solutions Visit:

mdss.meridian-enviro.commdss.meridian-enviro.com