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
CHIEF...MARINE AND COASTAL SERVICES BRANCH
SUBJECT IMPLEMENTATING IMPROVED MARINE ZONE COVERAGE ACROSS
COASTAL WATERS FROM THE LOWER ATCHAFALAYA RIVER... LA
TO CAMERON... LA OUT 60 NAUTICAL MILES: EFFECTIVE
DECEMBER 1 2005
EFFECTIVE THURSDAY... DECEMBER 1 2005 AT 0930 CENTRAL STANDARD
TIME /CST/... 1530 COORDINATED UNIVERSAL TIME /UTC/...MARINE
FORECASTS ISSUED BY THE WEATHER FORECAST OFFICE /WFO/ IN LAKE
CHARLES... LA WILL BE IMPROVED TO ACCOUNT FOR CLIMATOLOGY AND
GEOGRAPHY. THIS CHANGE INVOLVES THE FOLLOWING TWO IMPROVEMENTS.
CURRENTLY...MARINE ZONES GMZ455 AND GMZ475 EXTEND FROM THE LOWER
ATCHAFALAYA RIVER... LA TO CAMERON... LA. THE FIRST CHANGE
SPLITS MARINE ZONES GMZ455 AND GMZ475 FROM NORTH TO SOUTH AT
INTRACOASTAL CITY... LA.
THE SECOND CHANGE ADJUSTS THE MARINE ZONE BOUNDARY AT CAMERON...
LOUISIANA TO A NORTH-SOUTH CONFIGURATION INSTEAD OF THE CURRENT
SOUTH-SOUTHEAST SLOPED BOUNDARY. THIS CHANGE WILL CREATE 2 NEW
MARINE ZONES. GM452 WILL BE A NEW MARINE ZONE ENCOMPASSING
COASTAL WATERS FROM INTRACOASTAL CITY... LA TO CAMERON... LA OUT
20 NM.
GMZ472 WILL BE A NEW MARINE ZONE FROM INTRACOASTAL CITY... LA TO
CAMERON... LA EXTENDING FROM 20 TO 60 NM. THESE NEW MARINE ZONES
ARE LISTED IN TABLE I. NWS IS NOT CHANGING THE MARINE ZONE NAME
OR UGC FOR GMZ450/GMZ455/GMZ470/GMZ475/.
BECAUSE OF THESE IMPROVEMENTS...CUSTOMERS MUST TAKE APPROPRIATE
ACTION TO RECEIVE ALL PRODUCTS THAT USE UGC ZONE /Z/ CODE. SEE
TABLE 2 FOR PRODUCTS AFFECTED BY THIS CHANGE.
TABLE 1: MARINE ZONE IMPROVEMENT FOR WFO LAKE CHARLES MARINE
FORECAST AREA. UGC /Z/ CODES ARE SHOWN IN TABLE 1.
ZONE UGC ZONE /Z/
COASTAL WATERS FROM LOWER ATCHAFALAYA GMZ455
RIVER LA TO INTRACOASTAL CITY LA OUT 20 NM.
WATERS FROM LOWER ATCHAFALAYA RIVER...LA GMZ475
TO INTRACOASTAL CITY... LA EXTENDING FROM
20 TO 60 NM.
COASTAL WATERS FROM INTRACOASTAL CITY...LA GMZ452 /NEW UGC/
TO CAMERON... LA OUT 20 NM.
WATERS FROM INTRACOASTAL CITY... LA TO GMZ472 /NEW UGC/
CAMERON... LA EXTENDING FROM 20 TO 60 NM.
COASTAL WATERS FROM CAMERON... LA TO HIGH GMZ450
ISLAND... TX OUT 20 NM.
WATERS FROM CAMERON... LA TO HIGH GMZ470
ISLAND...TX EXTENDING FROM 20 TO 60 NM.
TABLE 2. WFO LAKE CHARLES PRODUCTS THAT WILL BE AFFECTED BY THE
GMZ452 AND GMZ472 MARINE ZONE BOUNDARY CHANGE.
PRODUCT NAME WMO HEADING AWIPS ID
COASTAL WATERS FORECAST FZUS54 KLCH CWFLCH
SPECIAL MARINE WARNING WHUS54 KLCH SMWLCH
MARINE WEATHER STATEMENT FZUS74 KLCH MWSLCH
AN UPDATED ZONE MAP SHAPEFILE CONTAINING THE NEW BOUNDARY FOR THE
NEW AND CHANGED MARINE ZONES IS AVAILABLE FOR DOWNLOAD FROM THE
FOLLOWING WEBSITE /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/GEODATA/CATALOG/WSOM/HTML/MARINEZONES.HTM
IF YOU HAVE ANY QUESTIONS...PLEASE CONTACT:
STEVE RINARD MELINDA HINOJOSA
METEOROLOGIST IN CHARGE PUBLIC/MARINE METEOROLOGIST
NATIONAL WEATHER SERVICE NATIONAL WEATHER SERVICE
500 AIRPORT BLVD #115 SOUTHERN REGION HEADQUARTERS
LAKE CHARLES LA 70607 819 TAYLOR ST RM 10A11
337-477-5285 FORT WORTH TX 76102
817-978-1100 X107
THIS AND ALL OTHER NWS SERVICE CHANGE NOTICES ARE POSTED AT /USE
LOWER CASE/
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
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