Public Information Statement
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NOUS42 KKEY 181141

Public Information Statement
National Weather Service Key West FL
741 AM EDT Fri May 18 2018

...National Tropical Cyclone Watch Warning Product (TCV) Product
Collaboration Tests...

-NOAA Weather Wire Service
-Emergency Managers Weather Information Network
           Other NWS Partners and NWS Employees

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

The National Hurricane Center (NHC), along with 26 National
Weather Service (NWS) Weather Forecast Offices (WFOs) in Southern
Region and 15 WFOs in Eastern Region, will commence with internal
software and hardware testing of the national TCV product
collaboration process for the Atlantic basin on Monday, May 21 and
continue daily through Thursday, May 24, 2018. During this
period, NHC will also request test runs of the Hurricane Weather
Research and Forecast (HWRF) and Hurricanes in a Multi-scale
Ocean-coupled Non-hydrostatic (HMON) models.

Internal testing will begin at approximately 1400 GMT and
terminate at 1900 GMT daily during scheduled test days. In the
event of inclement weather, Friday, May 25, 2018 has been reserved
to serve as backup date for any portion of testing that was

Internal TCV test products are not intended to be released
externally through NWS dissemination and communication systems.

Periodic NHC and WFO internal software and hardware testing will
continue during the remainder of 2018. The national TCV product
for the Atlantic basin will contain a summary of NHC/WFO
collaborated wind and/or storm surge watches and warnings,
depicted by NWS-defined geographic zones.

For more information, please contact:

Chip Kasper
  National Weather Service Office
  Key West, FL  33040


National Service Change Notices are online at:


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