Post on 31-May-2020
woodplc.com
Road Weather
Information Systems
(RWIS)
FHWA Road Weather Management Stakeholder Meeting
Phoenix, Arizona
August 2019
Heather McClintock P. Eng.
wood plc
2 A presentation by Wood.
Wood is a global
leader in technical,
engineering and
project services
55,000 people, 60 countries, 400+ offices worldwide
over
160years of
experience
around
$10BNrevenue
Met-Ocean Services
3 A presentation by Wood.
A Team of Meteorologists, Scientists and Technologists
• 20 meteorologists
• 20 information management staff
• 10 staff scientists
• 10 equipment service technicians
Primary Business Lines
• Road Weather Forecasting
• Energy Forecasting
• Marine Forecasting
• Climate Consulting
• Instrumentation services
• Information management services
Road Weather Information Systems
4 A presentation by Wood.
RWIS keeps Winter Roads Safe and tells you:
• When will the Pavement Freeze?
• When will maintenance operations be required?
• When to clear the Winter Roads?
RWIS Services:
• 7 Departments of Transportation
• Many Cities, Counties and Municipalities
• Polling and Maintaining 450 RWIS stations
• Data Management in the Internet Cloud
• Forecasting RWIS and MDSS
• Virtual RWIS
• Display on Web Sites and Phones
5
Wood RWIS Advancements
Integrating Mini RWIS Stations
6 A presentation by Wood.
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Cost effective supplement to the Full RWIS Network
Providing Additional Data, Cameras and Forecasting Potential
Low Cost; Solar Powered; in Remote Areas
Integrating Virtual RWIS Stations
7 A presentation by Wood.
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Integrating Virtual RWIS Stations
8 A presentation by Wood.
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on detailed images.
Maintenance Decision Support System
9 A presentation by Wood.
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on detailed images.
Road Condition Warning System (RCWS)
10 A presentation by Wood.
Specialized RWIS Instrumentation (e.g. visibility)
Specialized Weather Models for Micro Climates
Dynamic Message Signs activated
Alerts Sent to Authorities
Highways Closed
Vaisala Visibility Sensor
Calculation of winter severity by area:
➢ based on precipitation (snow, freezing rain), freeze thaw cycles, wind (blowing snow);
➢ accumulating values over the winter season;
➢ show the breakdown into the component causes;
➢ being tailored for Performance Based Snow Clearing Contracts;
Winter Severity Index
11 A presentation by Wood.
Public Facing 511 Interactive Map
12 A presentation by Wood.
Based on Severe Weather Forecasts with Threshold Values
➢ Public facing alerts of inclement weather affecting driving conditions
➢ Based on severe weather forecasts with threshold values
➢ Categorized Driving Conditions; Good / Fair / Caution / Poor
Spring Load Restrictions
13 A presentation by Wood.
Sub Surface Temperature down to 6 feet below pavement
Models produce 5 day road strength forecast
Flags when spring load restrictions should be implemented or ended
woodplc.com
Heather McClintock P. Eng.
Manager of ITS Applications
Wood Environment & Infrastructure Solutions
Burlington, Ontario, Canada
905-335-2353 ext. 3012
Heather.McClintock@woodplc.com
Questions