NOUS41 KWBC 011453
PNSWSH 

SERVICE CHANGE NOTICE 07-38 
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 
1054 AM EDT FRI JUN 1 2007 

TO: 	  FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER 
          WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS 
          WEATHER INFORMATION NETWORK /EMWIN/ SUBSCRIBERS... 
          NOAAPORT SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE 
          /NWS/ CUSTOMERS AND PARTNERS...NWS EMPLOYEES 

FROM: 	  THERESE Z. PIERCE 
          MARINE AND COASTAL WEATHER SERVICES BRANCH CHIEF 

SUBJECT:  CHANGES IN GREAT LAKES MARINE ZONES AND UNIVERSAL 
          GEOGRAPHIC CODES: EFFECTIVE OCTOBER 2 2007 

REFER TO: SERVICE CHANGE NOTICE /SCN/ 07-39: TRANSMITTED 
          JUNE 1 2007

EFFECTIVE TUESDAY OCTOBER 2 2007 AT 1300 COORDINATED UNIVERSAL 
TIME /UTC/...OR 0900 EASTERN DAYLIGHT TIME /EDT/...OR 0800 
CENTRAL DAYLIGHT TIME /CDT/...ALL WEATHER FORECAST OFFICES /WFO/ 
SERVING THE GREAT LAKES WILL MAKE CHANGES TO MARINE ZONE 
BOUNDARIES...MARINE ZONE NAMES...AND CHANGES TO UNIVERSAL 
GEOGRAPHIC CODES /UGC/...INCLUDING CHANGES TO SOME PRODUCT UGC 
FORMATS...IMPACTING ALL OF THE GREAT LAKES MARINE ZONES. THESE 
CHANGES WILL ALLOW WFOS TO PROVIDE MORE AREA SPECIFIC FORECAST 
PRODUCTS AND WARNINGS. 

USERS ARE URGED TO READ SCN 07-39...THE GREAT LAKES OPEN LAKE 
FORECAST /GLF/ CHANGES FROM A NON-SEGMENTED TO SEGMENTED FORMAT: 
EFFECTIVE OCTOBER 2 2007...AS IT MAY BE NECESSARY TO MAKE CHANGES 
IN COMMUNICATIONS DATABASES BY OCTOBER 2 2007.  

TABLE 1.  WFOS AFFECTED BY THE GREAT LAKES MARINE ZONE CHANGES 

BUFFALO NY /BUF/
CHICAGO IL /LOT/
CLEVELAND OH /CLE/
DULUTH MN /DLH/				
DETROIT MI /DTX/
GAYLORD MI /APX/			
GREEN BAY WI /GRB/
GRAND RAPIDS MI /GRR/		 
MARQUETTE MI /MQT/ 		
MILWAUKEE WI /MKX/
NORTHERN INDIANA IN /IWX/

SEE TABLE 2 FOR THE PRODUCTS AFFECTED BY THE CHANGES TO MARINE 
ZONES BOUNDARIES...AND CHANGES TO SOME PRODUCT UGC FORMATS FROM   
ZONE FORMAT /Z/ TO COUNTY FORMAT /C/. 

TABLE 2.  PRODUCTS AFFECTED AND UGC FORMAT CHANGES   

AWIPS ID  PRODUCT TYPE LINE          CURRENT UGC  UGC FORMAT
                                     FORMAT       EFF. OCT 2  

GLF       OPEN LAKE FORECAST         Z            Z 
NSH       NEARSHORE MARINE FORECAST  Z            Z 
CPF       CODED PORT FORECAST        Z            Z
HWO       HAZARDOUS WEATHER OUTLOOK  Z            Z  
WCN       WATCH COUNTY NOTIFICATION  Z            C
SMW       SPECIAL MARINE WARNING     Z            C
MWS       MARINE WEATHER STATEMENT		
          /SHORT DURATION/           Z            C
          /LONG DURATION/            Z            Z

IT MAY BE NECESSARY FOR USERS TO MAKE CHANGES IN THEIR 
COMMUNICATIONS DATABASES BY OCTOBER 2 2007 TO ADAPT TO THE NEW 
MARINE ZONES AND THE NEW UGC FORMAT FOR SOME PRODUCTS. USERS ARE 
ENCOURAGED TO READ DETAILS OF THE MARINE ZONE AND PRODUCT 
CHANGES...LISTED BY EACH WFO...AT /USE LOWER CASE LETTERS/:

WWW.WEATHER.GOV/OS/NOTIFICATION/RESOURCES/GREAT_LAKES_MARINE.PDF

DETAILED MAPS SHOWING THE MARINE ZONES EFFECTIVE OCTOBER 2 2007 
ARE POSTED AT /USE LOWER CASE LETTERS/.
 
WWW.WEATHER.GOV/OS/NOTIFICATION/RESOURCES/GREAT_LAKES_MAPS.PDF  

AN UPDATED ZONE MAP SHAPEFILE CONTAINING THE NEW BOUNDARIES FOR 
THE MARINE ZONES EFFECTIVE OCTOBER 2 2007 IS AVAILABLE FOR 
DOWNLOAD AT /USE LOWER CASE LETTERS/: 

HTTP://WWW.NWS.NOAA.GOV/GEODATA/CATALOG/WSOM/HTML/MARINEZONES.HTM 

IF YOU HAVE ANY QUESTIONS...PLEASE CONTACT: 

TOM TOWNSEND				RICHARD MAY
MARINE PROGRAM MANAGER			MARINE METEOROLOGIST
NATIONAL WEATHER SERVICE		NATIONAL WEATHER SERVICE
CENTRAL REGION HEADQUARTERS		HEADQUARTERS	
7220 NW 101ST TERRACE			1325 EAST WEST HIGHWAY
KANSAS CITY MO 64153-2371		SILVER SPRING MD 20910
816-268-3149				301-713-1677 X 127
EMAIL: TOM.TOWNSEND@NOAA.GOV		RICHARD.MAY@NOAA.GOV 

THIS AND ALL OTHER NWS SERVICE CHANGE NOTICES ARE POSTED AT /USE 
LOWER CASE LETTERS/:
 
     HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM 

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