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Service Change Notice

NOUS41 KWBC 281847 CCA
Service Change Notice 14-12 Corrected
National Weather Service Headquarters Washington DC
145 PM EST Fri Feb 28 2014
To:      Subscribers:
         -Family of Services 
         -NOAA Weather Wire Service
         -Emergency Manager Weather Information Network
         Other NWS partners and NWS employees
From:    Mark Tew
         Chief, Marine and Coastal Weather Services Branch 
Subject: Corrected: Changes to the text Tropical Weather
         Outlook effective May 15, 2014
Corrected AWIPS Identifiers (AI)
Effective May 15 2014, the following changes to the text
Tropical Weather Outlook (TWO) will take place:
1. Extended (5-day) Tropical Weather Outlook (TWO) becomes
operational at the National Hurricane Center (NHC). The
experimental 120-hour genesis probabilities that were embedded
within the TWO for the Atlantic and east Pacific basins during
the 2013 hurricane season will become operational.  
2. NHC and Central Pacific Hurricane Center (CPHC) will provide
the genesis probabilities in a semi-tabular form immediately
following the discussion instead of embedding it within the
3. The TWO will be issued by NHC and CPHC in mixed case on an
experimental basis.  For additional details please see the
following Public Information Notice:
An example of the changes to the TWO can be found at:
The TWO is available online at:
Atlantic and east Pacific
Central Pacific
The WMO headers and AWIPS Identifiers (AI) for the text TWO are:  
Basin            WMO Header          AI
Atlantic         ABNT20 KNHC         TWOAT
east Pacific     ABPZ20 KNHC         TWOEP
central Pacific  ACPN50 PHFO         TWOCP
If you have questions regarding this notice, please contact:
John F. Kuhn
National Weather Service
Silver Spring, MD 20910
Phone: 301-713-1677 x121
Service Change Notices are online at: