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Public Information Statement
National Weather Service Boston/Norton MA
1234 PM EDT Tue May 4 2021

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:   Tropical Cyclone Watch Warning Product (TCV)
           Collaboration Testing Wednesday, May 5 2021

The NWS National Hurricane Center (NHC) and Weather Forecast
Offices (WFOs) in Miami, Florida and Boston/Norton,
Massachusetts will commence with internal software and hardware
testing of the National Tropical Cyclone Watch/Warning (TCV)
product collaboration process on Wednesday, May 5 2021.
Thursday, May 6 2021 is a designated backup day.

Internal TCV test products are not intended to be released
externally through NWS dissemination and communication systems.
The text products affected by collaboration testing are the
National Tropical Cyclone Watch/Warning (TCV) products issued
under the following AWIPS Product Identifiers (PIL) and World
Meteorological Organization (WMO) Identifiers (ID):

TCV Product                    AWIPS PIL   WMO ID
------------                   ---------   -------
Preliminary TCV                PTCAT/1-5/  WTNT/81-85/ KNHC
National TCV                   TCVAT/1-5/  WTNT/81-85/ KNHC

In addition, the following National Digital Forecast Database
(NDFD) elements will be created for this test:
     - Tropical cyclone wind probabilities (incremental and
          cumulative) for 34 kt, 50 kt, and 64 kt
     - Hazard grid (including tropical storm, hurricane, and
          storm surge hazards)

The NWS will continue periodic internal tropical software
testing during the remainder of this hurricane season.  The
national TCV product contains a summary of collaborated wind
and/or storm surge watches and warnings, depicted by NWS-defined
geographic zones.

For more information, please contact:

  Joe DelliCarpini
  Science and Operations Officer
  National Weather Service Office
  Norton, MA 02766
  Joseph.Dellicarpini@noaa.gov
  508-622-3324

National Public Information Statements are online at:

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

$$

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