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Public Information Statement

NOUS41 KWBC 251908

Public Information Statement, Comment Request
National Weather Service Headquarters Washington DC
307 PM EDT Thu Jul 25 2013

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: Soliciting Comments on National Hurricane Center
         Experimental Extended Tropical Weather Outlook
         Through November 30, 2013

Effective 800 AM EDT August 1 and continuing through November 30,
2013, the NWS is seeking user feedback on an experimental
Extended Tropical Weather Outlook (TWO)issued by the National
Hurricane Center (NHC).

On an experimental basis the TWO text product produced by the NHC
for the Atlantic and East Pacific basins will include
probabilistic information, in 10-percent increments, about a
systems potential for developing into a tropical cyclone in the
next 120 hours. Currently, the TWO only provides genesis
potential out to 48 hours. The extended forecast and discussion
will be embedded within the current TWO text product on a
disturbance-by-disturbance basis. Each product will include a
prominent statement that the 120-hr genesis forecasts are

The text TWO can be found on the web at:

The WMO headers and AWIPS Identifiers (AI) for the text TWO are:

Basin           WMO Header          AI
Atlantic        ABNT20 KNHC         MIATWOAT
East Pacific    ABPZ20 KNHC         MIATWOEP

Feedback concerning this experimental service is welcomed at:

If you have comments or questions, please contact:

John F. Kuhn
Silver Spring, MD 20910
Telephone: 301-713-1677 X121

National Public Information Statements are online at: