Public Information Statement
Issued by NWS Boston, MA

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000 NOUS41 KBOX 041634 PNSBOX CTZ002>004-MAZ002>024-026-RIZ001>008-050445- 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 508-622-3324 National Public Information Statements are online at: $$ For the latest updates...please visit our webpage at You can follow us on Facebook at You can follow us on Twitter at @NWSBoston is the U.S. government's official web portal to all federal, state and local government web resources and services.