National Weather Service United States Department of Commerce
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Request Details Page

Number / Title: 16-024:  Polygon Data for All NWS Alerts


Modify Watch/Warning product production and dissemination methods to support polygon based alerts so that the area warned matches as close as possible to the area forecasters believe is under threat (gridded area). Supports better geographic granularity in Wireless Emergency Alerts, Mitigates Watches/Warnings  alerted to entire zones/counties when forecaster-generated warning area is significantly smaller.

Originator: Michael Angove / J. Schauer Office: AFS26  
Submitter: Jessica Schauer Office: W/NP8
SUBMITTER COMMENTS: This request integrates the needs expressed in the former request from the Tsunami Program for polygon-based alerts. (CaRDS 16-014)
Analyst: Carlos Diaz Date Entered: 2016-08-08
Primary SPT: Overarching Team Lead: Andy Horvitz
All Teams Reviewing: Overarching
Status: Assigned: Development/Execution Submitter Priority: Moderate
Notes:Public SPT is Lead. Other SPTs also reviewing.

Decision / Status information
Tier   Date Disposition / Status
Tier 1 - Designated Submitter 2016-08-08 Approved
Tier 2 - Service Program Team Review2016-09-30 Approved by SPT
Tier 3 - AFS Director Review 2016-12-06 Approved by AFS
Tier 3 Notes:  Approved by AFS, to be scheduled for MDC.
Tier 4 - MDC Validation 2017-11-13 MDC has Validated the Requirement
Tier 4 Notes:  MDC discussion included the following: Is this focused on forecaster generated polygon-based warnings, or are grid-based warnings also to be included. Some warnings currently issued are not based on gridded products.
Exec Council Validation (If Transformational)  

PIC related details
Date Disposition / Status : Initial meeting
2018-01-26 Dissemination (DIS) (work with CP/STI for analysis)
PIC Notes:
Portfolio/Dev. org and Development Status:  
Date Disposition / Status : Latest meeting (if addressed more than once)
2018-07-20 CP/STI/DIS, cross-cut multi-year effort.
PIC Notes:Cross cut: CP/STI/DIS, multi-year effort. Working group w/ AFS for scoping.

Available Documents
Document Type Document Link
Mission Need or Requirement Request 16-024_Request-PolygonDataforAllNWSAlerts.docx
Validation Decision Information Document 16-024_16-024 VDI PolygonNWSAlerts.pdf
Investment Justification
Products Catalog Link (Experimental or approved Operational)