NOUS41 KWBC 311345



Service Change Notice 17-97

National Weather Service Headquarters Silver Spring, MD

145 PM EDT Thu Aug 31 2017


TO:       Subscribers:

          -Family of Services

          -NOAA Weather Wire Service

          -Emergency Managers Weather Information Network


          Other NWS Partners and Employees


FROM:     Mark B. Miller

          Director, Surface and Upper Air Division

          Office of Observations


SUBJECT:  Change to Radiosonde Observations (RAOB) at Kodiak,

AK, WMO# 70350 effective on or about October 1, 2017


Effective on or about October 1, 2017, radiosonde observations

(RAOB) from Kodiak, AK, WMO# 70350, Station ID PADQ, will be

transitioned from the manually launched Lockheed Martin LMS6

radiosonde to the Vaisala RS41-SGPA radiosonde using the Vaisala

Autosonde as the launch vehicle. During the 30-day transition

period dual radiosonde flights may be performed until the

Vaisala Autosonde System is declared operational for the

regularly scheduled observations of 00Z and 12Z. 


For additional information on the message requirements, see WMO

306 Manual on Codes (International Codes):  Volume I.1 Part A -

Alphanumeric Codes and Volume II Regional Codes and National

Coding Practices (WMO Region IV).


If you have questions or feedback, please contact:


Hiram Escabi, Jr., NCE, CET

Upper Air Program Manager

NWS Program Management Branch W/OBS31

Silver Spring, Maryland 20910 USA



NWS Service Change Notices are online at: