TABLE 1. PRODUCTS ISSUED BY WFO GRAND RAPIDS MI THAT CARRY GREAT LAKES
MARINE ZONES.

AWIPS ID PRODUCT NAME CURRENT UGC

> FORMAT

NSH NEARSHORE MARINE FORECAST Z

CPF CODED PORT FORECAST Z

HWO HAZARDOUS WEATHER OUTLOOK Z

WCN WATCH COUNTY NOTIFICATION Z

SMW SPECIAL MARINE WARNING Z

MWS MARINE WEATHER STATEMENT Z

TABLE 2. PRODUCTS ISSUED BY WFO GRAND RAPIDS MI THAT CARRY GREAT LAKES
MARINE ZONES WITH THEIR FUTURE UGC FORMATS.

AWIPS ID PRODUCT NAME FUTURE UGC

> FORMAT...EFFECTIVE
>
> OCTOBER 2 2007

NSH NEARSHORE MARINE FORECAST Z

CPF CODED PORT FORECAST Z

HWO HAZARDOUS WEATHER OUTLOOK Z

MWS MARINE WEATHER STATEMENT Z /LONG DURATION/

WCN WATCH COUNTY NOTIFICATION C

SMW SPECIAL MARINE WARNING C

MWS MARINE WEATHER STATEMENT C /SHORT DURATION/

TABLE 3. PRODUCTS ISSUED BY WFO GRAND RAPIDS MI AFFECTED BY THE GREAT
LAKES MARINE ZONE CHANGES EFFECTIVE OCTOBER 2 2007.

PRODUCT NAME UGC FORMAT WMO HEADING AWIPS ID

HAZARDOUS WEATHER Z FLUS43 KGRR HWOGRR

OUTLOOK

MARINE WEATHER Z FZUS73 KGRR MWSGRR

STATEMENT

SPECIAL MARINE C WHUS53 KGRR SMWGRR

WARNING

WATCH COUNTY C WWUS63 KGRR WCNGRR

NOTIFICATION

MARINE WEATHER C FZUS73 KGRR MWSGRR

STATEMENT

NOTE THE MARINE WEATHER STATEMENT WILL CONTAIN EITHER /Z/ DIGITS OR /C/
DIGITS IN ITS UNIVERSAL GEOGRAPHIC CODES...AND NEVER BOTH IN ONE MWS
PRODUCT. THE /Z/ OR /C/ DIGITS WILL BE USED BASED ON /Z/ FOR LONG TERM
HAZARDS AND /C/ FOR SHORT TERM HAZARDS.

TABLE 4. EXISTING MARINE ZONES /Z/ FOR WFO GRAND RAPIDS MI USED IN THE
NSH...CPF...SMW...MWS...HWO...AND WCN PRODUCTS.

ZONE NAME UGC DESIGNATOR

ST JOSEPH TO SOUTH HAVEN MI LMZ844

SOUTH HAVEN TO HOLLAND MI LMZ845

HOLLAND TO GRAND HAVEN MI LMZ846

GRAND HAVEN TO WHITEHALL MI LMZ847

WHITEHALL TO PENTWATER MI LMZ848

PENTWATER TO MANISTEE MI LMZ849

LAKE MICHIGAN ST JOSEPH MI TO HOLLAND MI LMZ867

5 NM OFF SHORE TO MID-LINE OF THE LAKE

LAKE MICHIGAN HOLLAND TO WHITEHALL MI LMZ868

5 NM OFF SHORE TO MID-LINE OF THE LAKE

LAKE MICHIGAN WHITEHALL TO MANISTEE MI 5 NM LMZ869

OFF SHORE TO MID-LINE OF THE LAKE

THE BOUNDARIES FOR EXISTING MARINE ZONES /Z/ FOR WFO GRAND RAPIDS MI
/GRR/ IN TABLE 4 ABOVE WILL NOT CHANGE ON OCTOBER 2 2007. THESE ZONES
AND UGC DESIGNATORS WILL CONTINUE TO BE USED IN THE IWX ISSUED NEARSHORE
MARINE FORECAST /NSH/... EXPERIMENTAL CODED PORT FORECAST
/CPF/...HAZARDOUS WEATHER OUTLOOK /HWO/...AND LONG DURATION MARINE
WEATHER STATEMENT /MWS/.

NOTE THE ZONES WITH THE UGC DESIGNATORS LMZ867...LMZ868...AND LMZ869 ARE
ONLY USED IN THE SMW...MWS...HWO...AND WCN PRODUCTS. THESE ZONES WILL NO
LONGER EXIST EFFECTIVE OCTOBER 2 2007.

USERS OF THE GRR NSH...CPF...HWO...AND LONG DURATION MWS PRODUCTS DO NOT
NEED TO MAKE ANY CHANGES TO CONTINUE RECEIVING THESE PRODUCTS.

TABLE 5. NEW SHORT DURATION WARNING AREAS /C/ FOR WFO GRAND RAPIDS MI
EFFECTIVE OCTOBER 2 2007 TO BE USED IN THE SMW...SHORT DURATION
MWS...AND WCN PRODUCTS.

ZONE NAME NEW UGC

DESIGNATOR

ST JOSEPH TO SOUTH HAVEN MI LMC844

SOUTH HAVEN TO HOLLAND MI LMC845

HOLLAND TO GRAND HAVEN MI LMC846

GRAND HAVEN TO WHITEHALL MI LMC847

WHITEHALL TO PENTWATER MI LMC848

PENTWATER TO MANISTEE MI LMC849

LAKE MICHIGAN FROM ST JOSEPH TO LMC878

SOUTH HAVEN MI 5NM OFF SHORE TO MID LAKE

LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI LMC876

5NM OFF SHORE TO MID LAKE

LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI LMC874

5NM OFF SHORE TO MID LAKE

LAKE MICHIGAN FROM GRAND HAVEN TO LMC872

WHITEHALL MI 5NM OFF SHORE TO MID LAKE

LAKE MICHIGAN FROM WHITEHALL TO LMC870

PENTWATER MI 5NM OFF SHORE TO MID LAKE

LAKE MICHIGAN FROM PENTWATER TO LMC868

MANISTEE MI 5NM OFF SHORE TO MID LAKE

THE WARNING AREAS /C/ IN TABLE 5 ABOVE WILL BE USED IN GRR ISSUED
SPECIAL MARINE WARNINGS /SMW/...SHORT DURATION MARINE WEATHER STATEMENTS
/MWS/...AND WATCH COUNTY NOTIFICATION /WCN/ PRODUCTS EFFECTIVE OCTOBER 2
2007.

USERS OF THE GRR SMW...SHORT DURATION MWS...AND WCN PRODUCTS MUST
REPROGRAM THEIR HARDWARE AND SOFTWARE FOR THESE NEW UGC DESIGNATORS IN
ORDER TO CONTINUE RECEIVING THESE PRODUCTS.