NOUS41 KWBC 041940


Technical Implementation Notice 13-06

National Weather Service Headquarters Washington, DC

240 PM EST Mon Mar 4 2013    


TO:      Subscribers:

          -Family of Services

          -NOAA Weather Wire Service

          -Emergency Managers Weather Information Network

          Other NWS Partners and Employees


FROM:     Neal DiPasquale   

          Director, Field Systems Operations Center

          Office of Operational Systems


SUBJECT:  Dates in 2013 for NWS Upper Air Stations

          to Begin Use of RS92-NGP Radiosonde with the

          Radiosonde Replacement Systems (RRS)


Eight Upper Air (UA) sites are scheduled to transition from the

GPS Lockheed Martin Mark IIA radiosonde to the GPS Vaisala RS-92

radiosonde on or about April 1, 2013.




Upton           72501      KOKX     

Gray            74389      KGYX     

Brownsvile      78250      KBRO

Miami           72202      KMFL

Lake Charles    72240      KLCH

Slidell         72233      KLIX

Great Falls     72776      KTFX

Tucson          72274      KTWC


No missed observations are expected to occur during

the equipment transition.  The WMO Radiosonde Identification Code

for the Vaisala RS92-NGP is 52.


If you questions regarding the change, contact:


Sterling Field Support Center  

Office of Operational Systems

NWS Headquarters



NWS National Technical Implementation Notices are online at: