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Technical Implementation Notice 11-22, Amended  

National Weather Service Headquarters Washington DC

100 PM EDT Fri Sep 2 2011

 

To:         Subscribers

            -Family of Services

            -NOAA Weather Wire Service

            -Emergency Managers Weather Information Network

            -NOAAPORT

            -Other NWS Partners and Employees

 

From:       Richard J. Vogt

            Director, WSR-88D Radar Operations Center

 

Subject:    Amended: WSR-88D Dual Polarization Modification

            beginning September 12, 2011

 

References: Technical Implementation Notices 10-22 and 10-23

            (Corrected) dated Nov 2, 2010

            Public Information Statement, Jun 18, 2010

 

The Next Generation Weather Radar (NEXRAD) agencies have approved the network-wide deployment of the WSR-88D (Weather Surveillance Radar-1988, Doppler) Dual Polarization modification. The full deployment phase of the project is scheduled to begin Sep 12, 2011.  Please note the following information concerning the installations:

 

The deployment schedule is posted at the following link under

the title “Deploy Schedule”

 

 http://www.roc.noaa.gov/WSR88D/DualPol/Default.aspx.

 

The status of the sites completed to date and installations

planned for the next month is posted under the title

“Deployment Status” at:

 

 http://www.roc.noaa.gov/WSR88D/DualPol/Default.aspx

 

Each WSR-88D will be inoperable for approximately 12 days during the modification.  Sites will issue a Public Information Statement and a Free Text Message before turning off the legacy system.  Another Free Text Message will be issued when the Dual

Polarization modification is complete and the radar is placed

back in operation.

 

Transmission of Level II Dual Polarization data will begin when the modfication is completed.  Initially, Level III Dual Polarization products will not be transmitted.  The Dual Polarization products will generally be added to Level III product transmission during the first Tuesday through  Thursday work day after the modification completion.

 

Information on the Dual Polarization Level II data formats is

under the title “Documentation” at:

 

 http://www.roc.noaa.gov/WSR88D/DualPol/Default.aspx  

 

Information on the Dual Polarization Level II data and products to be collected, archived, and distributed is in NWS Technical Implementation Notice 10-23, issued May 19, 2010.

 

Dual Polarization training materials are available at:

 

 http://www.wdtb.noaa.gov/

 

If you have questions or comments, please contact:

 

Tim Crum

WSR-88D Radar Operations Center

Tim.D.Crum@noaa.gov

  or

Mike Istok

NWS Office of Science and Technology

Michael.Istok@noaa.gov

 

National Technical Implementation Notices are online at:

 

  http://www.weather.gov/os/notif.htm

 

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