Public Information Statement
Issued by NWS National HQ

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NOUS41 KWBC 311750
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Public Information Statement 24-69
National Weather Service Headquarters Silver Spring MD
150 PM EDT Thu Oct 31 2024

To: Subscribers:
 -NOAA Weather Wire Service
 -Emergency Managers Weather Information Network
 -NOAAPort
 Other NWS Partners, Users and Employees

From: Stephen Bieda III, Ph.D, Chief
 Severe, Fire, Public, and Winter Weather Services
Branch

Subject: Soliciting Comments through December 1, 2024 to Support
Termination of the 72-Hour Low Tracks Graphic and the Non-
Technical 72-Hour Low Tracks Graphic

The National Weather Service (NWS) is soliciting comments
through December 1, 2024 to assess the termination of the 72-
Hour Low Tracks Graphic and also the Non-Technical 72-Hour Low
Tracks Graphic.  The termination is proposed due to similar
automated output called "Automated Low Clusters" that will be
utilized as a Forecast Tool on the Weather Prediction Center
(WPC) website.

Table 1. Operational NWS Product Affected by These Changes:

Product Name   WMO Heading       AWIPS ID
------------   -----------       --------
72-Hour Low Tracks Graphic   PSA072 KWNH       LWTK72

The most recent 72-Hour Low Tracks Graphic can be viewed here:

https://www.wpc.ncep.noaa.gov/lowtracks/lowtrack_ensembles.gif

The most recent Non-Technical 72-Hour Low Tracks Graphic can be
viewed here:

https://www.wpc.ncep.noaa.gov/wwd/lowtrack_circles.gif

A description of both the 72-Hour Low Tracks Graphic and also
the Non-Technical 72-Hour Low Tracks Graphic can be found in the
National Winter Weather Products Specification, NWS Instruction
10-514 Directive here:

https://www.weather.gov/media/directives/010_pdfs/pd01005014curr
.pdf

An example image of the "Automated Low Clusters" Forecast Tool
is here:

https://www.weather.gov/media/notification/lowtracks_sample.pdf

Input on the proposed termination of both the 72-Hour Low Tracks
Graphic and also the Non-Technical 72-Hour Low Tracks Graphic is
being sought from users via the following link:

https://www.surveymonkey.com/r/72hrlowtrackstermination

Additional comments may be sent to:

Eric Guillot
Winter Weather Program Manager
National Weather Service Headquarters
Silver Spring, MD
eric.guillot@noaa.gov

Alex Lamers
Forecast Operations Branch Chief
Weather Prediction Center
College Park, MD
alex.lamers@noaa.gov

National Public Information Statements are online at:

https://www.weather.gov/notification/