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795
NOUS41 KWBC 251935
PNSWSH

Service Change Notice 18-38
National Weather Service Headquarters Silver Spring, MD
335 PM EDT Wed Apr 11 2018

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:    WFOs to be allowed to issue Coastal Hazard Message,
    Special Weather Statements, and Surf Zone Forecast
    products during Tropical Cyclone events effective on
    or about May 31, 2018

Effective on or about May 31, 2018, Weather Forecast Offices
(WFOs) will be allowed to issue Coastal Hazard Message (CFW),
Special Weather Statement (SPS), and Surf Zone Forecast (SRF)
products, as appropriate, for areas where tropical cyclone
related warnings and watches are also in effect.

The current policy suspends issuance of CFW, SPS and SRF
products when certain tropical cyclone warnings and watches are
in effect. After May 31, 2018, all WFOs will be able to use
these products to communicate the hazards from tropical
cyclones.

NWS Instruction 10-320, Surf Zone Forecast and Coastal/Lakeshore
Hazard Services provides the issuance policy for SRF and CFW
products:

http://www.nws.noaa.gov/directives/sym/pd01003020curr.pdf

Current policies concerning when CFW, SPS and SRF products can
be issued during tropical cyclone events can be seen in Tables
1, 2a, 2b, 3 and 4 in NWS Instruction 10-601, Weather Forecast
Office Tropical Cyclone Products:

http://www.nws.noaa.gov/directives/sym/pd01006001curr.pdf

NWSI 10-601 and NWSI 10-320 are expected to be updated by June
1, 2018. The updated Instructions will reflect the new policies
that WFOs can issue CFW, SPS, and SRF products during tropical
cyclone events. The new policies will also be reflected in
Tables 1, 2a, 2b, 3 and 4 of NWSI 10-601.

For additional information contact:

Jessica Schauer
NWS Tropical Service Program Lead
NWS Marine, Tropical and Tsunami Services Branch
Miami, FL
305-229-4476
Tropical.Program@noaa.gov

National Service Change Notices are online at:

http://www.nws.noaa.gov/os/notif.htm



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