534 
NOUS41 KNHC 151149
PNSNHC

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

From:   Jessica Schauer, Tropical Manager
   Marine, Tropical and Tsunami Services Branch

Subject:   National Tropical Cyclone Watch Warning Product
   (TCV) Collaboration Testing May 15-19, 2023

The NWS National Hurricane Center (NHC), Weather Prediction Center
(WPC),
Ocean Prediction Center (OPC), and Weather Forecast Offices (WFO) in
Eastern and Southern Region will perform internal testing of the
National Tropical Cyclone Watch/Warning (TCV) product collaboration process
for the Atlantic Basin, daily, from Monday, May 15, 2023 through Thursday,
May 18, 2023. Friday, May 19 is a designated backup day.

Internal testing will begin at approximately 1600 GMT and terminate
at 1900 GMT daily during the scheduled test days.

Internal TCV test products are not intended to be released externally
through NWS dissemination and communication systems.  The text
productsaffected 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 2023.The national TCV product for the Atlantic
Basin will contain a summary of collaborated wind and/or storm surge
watches and warnings, depicted by NWS-defined geographic zones.

NWS WFOs participating in the national TCV product collaboration
tests are listed below by NWS Region:

NWS – Southern Region

Atlanta, GA (FFC)
Austin-San Antonio, TX (EWX)
Birmingham, AL (BMX)
Brownsville, TX (BRO)
Corpus Christi, TX (CRP)
Fort Worth, TX (FWD)
Houston, TX (HGX)
Jackson, MS (JAN)
Jacksonville, FL (JAX)
Key West, FL (KEY)
Lake Charles, LA (LCH)
Little Rock, AR (LZK)
Melbourne, FL (MLB)
Miami, FL (MFL)
Mobile, AL (MOB)
Morristown, TN (MRX)
New Orleans, LA (LIX)
San Juan, PR (SJU)
Shreveport, LA (SHV)
Tallahassee, FL (TAE)
Tampa Bay Area, FL (TBW)

NWS – Eastern Region

Albany, NY (ALY)
Boston, MA (BOX)
Binghamton, NY (BGM)
Burlington, VT (BTV)
Caribou, ME (CAR)
Charleston, SC (CHS)
Gray/Portland, ME (GYX)
Mount Holly, NJ (PHI)
Newport/Morehead City, NC (MHX)
New York, NY (OKX)
State College, PA (CTP)
Sterling, VA (LWX)
Wakefield, VA (AKQ)
Wilmington, NC (ILM)
Columbia, SC (CAE)
Greenville-Spartanburg, SC (GSP)
Raleigh-Durham, NC (RAH)
Blacksburg/Roanoke, VA (RNK)

For more information, please contact:

Jessica Schauer
National Tropical Services Program Manager
National Weather Service
Miami, FL
Tropical.Program@noaa.gov




National Public Information Statements are online at:

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