076
NOUS41 KWBC 121435
PNSWSH

Service Change Notice 25-16
National Weather Service Headquarters Silver Spring MD
935 AM EST Tue Feb 12 2025

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

From: Marina Timofeyeva, Chief
 Climate Services Branch

Subject: The Experimental Hawaiian Extended Range Forecast Webpage
Will Transition to Operational Status on March 12, 2025

On March 12, 2025, the National Centers for Environmental Prediction
(NCEP) Climate Prediction Center (CPC) will transition the Hawaiian
Extended Range Forecast Webpage to operational status.

The Hawaiian Extended Range Forecast Webpage builds on and provides
more localized information related to the official 6-10 Day and 8-14
Day temperature and precipitation outlooks.  This webpage provides an
expanded suite of forecast graphics, while adding station-specific
information containing probabilistic and deterministic forecast
information.

The official 6-10 Day and 8-14 Day temperature and precipitation
outlooks, respectively, may be found here:

https://www.cpc.ncep.noaa.gov/products/predictions/610day/

https://www.cpc.ncep.noaa.gov/products/predictions/814day/

The product can be accessed at the following URLs, for the 6-10 Day
and 8-14 Day forecast periods, respectively:

https://www.cpc.ncep.noaa.gov/products/predictions/short_range/Hawaii
an_Outlook.d192.php

https://www.cpc.ncep.noaa.gov/products/predictions/short_range/Hawaii
an_Outlook.d264.php

The URLs for the experimental product will be discontinued:

https://www.cpc.ncep.noaa.gov/products/predictions/short_range/Hawaii
an_Outlook.d192_experimental.php

https://www.cpc.ncep.noaa.gov/products/predictions/short_range/Hawaii
an_Outlook.d264_experimental.php

A description of the product, its scientific basis, and examples can
be found at the following link:

https://nsdesk.servicenowservices.com/api/g_noa/nwspc/res2/9f7951ab87
535e904b0fa8a60cbb35da

For questions or any additional information, please contact:

Jon Gottschalck
Chief, Operational Prediction Branch
NWS Climate Prediction Center
jon.gottschalck@noaa.gov

National Service Change Notices are online at:

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