Public Information Statement
Issued by NWS National HQ

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104
NOUS41 KWBC 241118
PNSWSH

Public Information Statement PNS17-17
National Weather Service Headquarters Washington DC
718 AM EDT Mon Apr 24 2017

TO: Subscribers:
 -NOAA Weather Wire Service
 -Emergency Managers Weather Information Network
 -NOAAPORT
 Other NWS Partners and NWS Employees

FROM: Allison Allen
 Chief, Marine, Tropical and Tsunami Services Branch

SUBJECT: Soliciting comments on the proposed changes to the
 surface analyses and surface forecast charts through
 until May 24, 2017

The NWS National Centers for Environmental Prediction`s (NCEP)
Ocean Prediction Center (OPC), the National Hurricane Center`s
(NHC) Tropical Analysis and Forecast Branch (TAFB), and Weather
Forecast Office Honolulu are collecting comments until May 24,
2017, on a proposal to change the content of their surface
analyses and forecast charts.

- OPC is proposing to change the content of its surface
 analyses, and 24-, 48-, and 96-hour forecast charts.
- TAFB is proposing to change the content of its surface
 analyses and 72-hour forecast charts
- WFO Honolulu is proposing to change the content of its surface
 analyses

The proposed changes would be for these charts to eliminate past
track information for all systems and to contain future forecast
track information only for extratropical low pressure systems
that have, or are forecast to have, hazards associated with
them.  The hazards displayed will be gale, storm, hurricane-
force, developing gale, developing storm, developing hurricane-
force, and possible tropical cyclone.  Heavy freezing spray
information and the ice edge will be included as well.

As proposed, the analysis and forecast charts will no longer
include past track information and forecast tracks for highs,
extratropical lows with none of the aforementioned hazards
associated with them or expected, and tropical cyclones.  This
change will improve OPC, TAFB and WFO Honolulu forecasters`
ability to provide detail in their digital forecasts. For OPC,
the change will provide flexibility in the OPC workflow to test
and potentially implement a 72-hour forecast chart.
Additionally, the change will ensure consistency of information
regarding tropical cyclones found through text and graphics
supplied by the NHC, Central Pacific Hurricane Center (CPHC),
and Joint Typhoon Warning Center (JTWC).

An example of the change can be found at:

http://www.opc.ncep.noaa.gov/sfc_tracks.php

At the site above, you can comment on the proposed change
through a link at the bottom of the page.

Through this comment solicitation, no changes will occur to the
schedule of radiofax charts produced by the OPC, TAFB, or WFO
Honolulu. There will be no effect on the schedule via the
Worldwide Marine Radiofacsimile Broadcast:

http://www.nws.noaa.gov/om/marine/rfax.pdf

There will also be no changes to the Unified Surface Analysis
which can be found at http://www.opc.ncep.noaa.gov/.

Surface analyses and forecast charts can be found on the OPC web
site at:

Atlantic:
http://www.opc.ncep.noaa.gov/Atl_tab.shtml

Pacific:
http://www.opc.ncep.noaa.gov/Pac_tab.shtml

Alaska/Arctic:
http://www.opc.ncep.noaa.gov/AK_tab.shtml

Surface analyses and forecast charts can be found on the TAFB
web site at:
http://www.nhc.noaa.gov/marine/

Hawaiian marine products can be found on the WFO Honolulu web
site:
http://www.prh.noaa.gov/hnl/pages/marine.php

Tropical cyclone information for the north Atlantic and eastern
north Pacific can be found at the NHC web site at:
http://www.nhc.noaa.gov/ and at
http://www.nhc.noaa.gov/aboutnhcprod.shtml

Tropical cyclone information for the central north Pacific can
be found at the CPHC web site at:
http://www.prh.noaa.gov/cphc/

Tropical cyclone information for the northwest Pacific can be
found at the JTWC web site at:
https://metoc.ndbc.noaa.gov/JTWC/

In addition to the method noted above, you can send comments,
and also make requests for more information, via email or
telephone to:

Darin Figursky
OPC Operations Branch Chief
 darin.figurskey@noaa.gov
 301-683-1497

Hugh Cobb
TAFB Operations Branch Chief
 hugh.cobb@noaa.gov
 305-229-4454

Tom Evans
WFO Honolulu, Director of Operations
 tom.evans@noaa.gov
 808-973-5273

National Public Information Notices are online at:

 http://www.weather.gov/os/notif.htm



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