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PIL:
Start UTC Date @0z:
End UTC Date @0z:
580 
NOUS44 KLZK 192136
PNSLZK
ARZ004>008-014>017-024-025-031>034-039-042>047-052>057-062>069-
103-112-113-121>123-130-137-138-140-141-203-212-213-221>223-230-
237-238-240-241-313-340-341-200945-

Public Information Statement
National Weather Service Little Rock AR
436 PM CDT Tue Apr 19 2022

To: Subscribers:
-NOAA Weather Wire Service
-Emergency Manager Weather Information Network
-NOAAPORT
-Other NWS Partners And Employees 

From: Sean Clarke, OPL

Office Name: WFO Little Rock, AR

Subject: RRS suspension of use at WFO Little Rock, AR

Note: The following changes have no impact on NOAA Weather Wire 
Service Subscribers. 

The last upper air sounding conducted by the Radiosonde 
Replacement System (RRS) at the Weather Forecast Office Little
Rock, AR will occur with the 00Z Wednesday April 20 2022 launch. 
Beginning with the 12Z Wednesday April 20 2022 launch, soundings 
are being conducted using the GRAW Manual Radiosonde Observing 
System (MROS) which uses the DFM-17 radiosonde.

The header for Little Rock, AR KLZK (Station ID 72340) has not 
changed with the introduction of MROS. The official header of the 
Little Rock Office will continue to be used for transmission of 
official products.

If you or your organization have any questions about these 
changes, please contact: 

Office Contact: Sean Clarke, OPL 
Address: 8400 Remount Rd., North Little Rock, AR 72118
Phone: 800-482-8471
E-mail: sean.clarke@noaa.gov
 
This and other technical implementation notices are available 
online at http://www.weather.gov/notification

$$