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NAWAS

Status:

Existing

Definition:

The National Warning System (NAWAS) is an emergency system that is operated by the FEMA that obtains and disseminates information regarding major incidents impacting traffic flow into and out of Washington, DC as well as the Wilson Bridge. The Arlington TMC periodically contacts NAWAS to confirm incidents that impact Virginia's roadway systems and to confirm national weather information.

Stakeholder:

Federal Agencies

Architecture Flow Diagrams
which include NAWAS:

• NAWAS MWAA Center
• NAWAS NRO Thornburg Center
• NAWAS VDOT NRO MPSTOC - TOC
• NAWAS VDOT NRO TFO
• NAWAS WMATA Operations Centers

Architecture Flows
to/from the NAWAS:

NAWAS MWAA Center

• alert notification


• alerts and advisories

NAWAS NRO Thornburg Center

• alert notification


• alerts and advisories

NAWAS VDOT NRO MPSTOC - TOC

• alert notification


• alerts and advisories

NAWAS VDOT NRO TFO

• alert notification


• alerts and advisories

NAWAS WMATA Operations Centers

• alert notification


• alerts and advisories

MWAA CenterNAWAS

• alert status

NRO Thornburg CenterNAWAS

• alert status

VDOT NRO MPSTOC - TOCNAWAS

• alert status

VDOT NRO TFONAWAS

• alert status

National ITS Architecture Subsystems
mapped to the NAWAS:

• Alerting and Advisory Systems Terminator
• Emergency Management Subsystem

National ITS Architecture Services
associated with NAWAS:

• ATMS08 - Traffic Incident Management System -- Graphic 1 2 3 4
• EM06 - Wide-Area Alert -- Graphic 1 2
• EM07 - Early Warning System -- Graphic 1 2

National ITS Architecture Functional Requirements
associated with NAWAS:

none