NOUS41 KWBC 151940 AAA
PNSWSH

SERVICE CHANGE NOTICE 08-39 AMENDED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
340 PM EDT MON SEP 15 2008

TO:       SUBSCRIBERS:
          -FAMILY OF SERVICES
          -NOAA WEATHER WIRE SERVICE
          -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
          OTHER NWS PARTNERS...AND NWS EMPLOYEES

FROM:     ELI JACKS
          CHIEF...FIRE AND PUBLIC WEATHER SERVICES BRANCH

SUBJECT:  AMENDED: CHANGES TO THE BOUNDARIES OF SOME OF THE FIRE 
          AND PUBLIC WEATHER ZONES IN LOS ANGELES COUNTY CA:
          EFFECTIVE SEPTEMBER 16 2008

EFFECTIVE TUESDAY SEPT 16 2008 AT 1200 COORDINATED UNIVERSAL TIME 
/UTC/...THE NWS WEATHER FORECAST OFFICE /WFO/ IN OXNARD CA /LOX/ 
WILL SPLIT THE LOS ANGELES COUNTY VALLEYS ZONE CURRENTLY USED FOR 
FIRE AND PUBLIC WEATHER PRODUCTS AND SERVICES INTO TWO NEW ZONES. 
THE ORIGINAL EFFECTIVE DATE WAS POSTPONED DUE TO CRITICAL WEATHER 
DAY RESTRICTIONS ON SEPTEMBER 9. NO OTHER CHANGES WERE MADE TO 
THIS NOTICE.

IN ADDITION MINOR CHANGES WILL BE MADE TO THE LOS ANGELES COUNTY 
COASTAL ZONE AND THE SANTA MONICA MOUNTAINS RECREATIONAL ZONE.  
THE PURPOSE OF THESE CHANGES IS TO IMPROVE SERVICES FOR WFO LOX 
FIRE AND PUBLIC WEATHER PARTNERS AND USERS BY BETTER ASSOCIATING 
ZONE AREAS WITH WEATHER REGIMES.

THE SPLIT OF THE LOS ANGELES COUNTY VALLEYS ZONE /CURRENTLY FIRE 
ZONE CAZ247/PUBLIC ZONE CAZ047/ WILL SEPARATE THE SAN GABRIEL AND 
SAN FERNANDO VALLEYS INTO TWO NEW ZONES /FIRE AND PUBLIC ZONES 
CAZ547 AND FIRE AND PUBLIC ZONES CAZ548/.  THE SPLIT WILL BE 
ALONG A NORTH-SOUTH LINE FROM NEAR GRIFFITH PARK AT I-5 
...EXTENDING NORTH TO THE SAN RAFAEL HILLS TO THE ANGELES 
NATIONAL FOREST. SINCE THE NEW FIRE ZONES AND PUBLIC ZONES WILL 
BE IDENTICAL IN ZONE NAME AND ZONE GEOGRAPHY...THE SAME ZONE 
NUMBERS WILL BE USED FOR EACH CORRESPONDING FIRE/PUBLIC ZONE.  
FOR EXAMPLE CA FIRE ZONE 547 AND CA PUBLIC ZONE 547 WILL BE 
IDENTICAL IN ZONE NAME...NUMBER...AND GEOGRAPHY.

ONCE THIS CHANGE HAS BEEN IMPLEMENTED...LOX WILL USE THE 
FOLLOWING GEOGRAPHICAL DESCRIPTORS IN ALL ITS FIRE AND PUBLIC 
WEATHER FORECAST PRODUCTS:

FIRE ZONE/PUBLIC ZONE NUMBER     ZONE DESCRIPTOR

FIRE CAZ547/PUBLIC CAZ547        LOS ANGELES COUNTY SAN
                                 FERNANDO VALLEY

PHYSICAL DESCRIPTION:  REPRESENTS THE SAN FERNANDO VALLEY OF LOS 
ANGELES COUNTY. THIS ZONE EXTENDS FROM THE COUNTY LINE ON THE 
WEST...ON THE NORTH BY THE 2000 FOOT TERRAIN CONTOUR...ON THE 
SOUTH BY THE 1500 FOOT TERRAIN CONTOUR BETWEEN THE VENTURA COUNTY 
LINE AND I-405 AND EASTWARD ALONG MULHOLLAND DRIVE TO THE 101 
FREEWAY THEN CONTINUING SOUTHEAST TO HIGHWAY 2...THEN NORTH TO 
HIGHWAY 134...CONTINUING EAST ON HIGHWAY 134 TO JUST WEST OF 
EAGLE ROCK...THEN NORTHWARD ALONG THE RIDGELINE OF THE SAN RAFAEL 
HILLS TO NEAR THE JET PROPULSION LABORATORY AT THE BASE OF THE 
ANGELES NATIONAL FOREST.

FIRE CAZ548/PUBLIC CAZ548        LOS ANGELES COUNTY SAN
                                 GABRIEL VALLEY

PHYSICAL DESCRIPTION:  REPRESENTS THE SAN GABRIEL VALLEY OF LOS 
ANGELES COUNTY.  THIS ZONE IS DEFINED ON THE NORTH BY THE 2000 
FOOT TERRAIN CONTOUR...ON THE WEST BY A NORTH-SOUTH LINE 
FOLLOWING THE RIDGELINE OF THE SAN RAFAEL HILLS FROM NEAR THE JET 
PROPULSION LABORATORY TO HIGHWAY 134 NEAR EAGLE ROCK...CONTINUING 
WEST ACROSS HIGHWAY 134 TO HIGHWAY 2...FOLLOWING HIGHWAY 2 SOUTH 
TO HIGHWAY 101...CONTINUING AROUND THE PERIMETER OF ELYSIAN PARK 
TO I-5...ON THE SOUTH ALONG I-5...AND ON THE EAST BY THE COUNTY 
LINE.

FIRE CAZ241/PUBLIC CAZ041        LOS ANGELES COUNTY COAST
                                 INCLUDING DOWNTOWN LOS
                                 ANGELES

PHYSICAL DESCRIPTION: REPRESENTS THE LOS ANGELES COUNTY COASTAL 
AREA. DEFINED ON THE WEST BY THE VENTURA COUNTY LINE THEN EAST 
ALONG THE 500 FOOT TERRAIN CONTOUR TO I-405...THEN NORTH TO 
MULHOLLAND DRIVE CONTINUING EASTWARD TO THE 101 FREEWAY...THEN 
SOUTHEAST TO HIGHWAY 2...CONTINUING WEST AND SOUTH AROUND THE 
PERIMETER OF ELYSIAN PARK TO THE 110 FREEWAY...THEN NORTHEAST TO 
I-5...CONTINUING SOUTH FOLLOWING I-5 TO THE COUNTY LINE...ON THE 
SOUTH BY THE COUNTY LINE...ON THE SOUTH AND WEST BY THE COAST.

FIRE CAZ246/PUBLIC CAZ046        SANTA MONICA MOUNTAINS
                                 RECREATIONAL AREA

PHYSICAL DESCRIPTION: REPRESENTS THE SANTA MONICA MOUNTAINS 
RECREATIONAL AREA.  DEFINED ON THE NORTH BY THE 1500 FOOT TERRAIN 
CONTOUR...ON THE WEST BY THE COUNTY LINE...ON THE SOUTH BY THE 
500 FOOT TERRAIN CONTOUR...ON THE EAST BY I-405.

WFO LOX PRODUCTS AFFECTED BY THESE CHANGES ARE AVAILABLE ONLINE 
AT /USE LOWER CASE/:

  HTTP://WWW.WEATHER.GOV/OS/NOTIFICATION/RESOURCES/LOX_ZONE.PDF

NWS PARTNERS AND USERS WILL NEED TO MAKE THE NECESSARY CHANGES TO 
THEIR COMMUNICATION SYSTEMS TO ACCOMMODATE THESE ZONE CHANGES.

SHAPE FILES OF THE NEW FIRE AND PUBLIC WEATHER ZONES FOR THE NWS 
OXNARD WEATHER FORECAST OFFICE ARE AVAILABLE FOR DOWNLOAD FROM 
THE FOLLOWING WEBSITE /USE LOWER CASE/:

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

 HTTP://WWW.WEATHER.GOV/GEODATA/CATALOG/WSOM/HTML/PUBZONE.HTM

FOR QUESTIONS REGARDING THESE PRODUCT CHANGES...PLEASE CONTACT: 

MARK JACKSON
METEOROLOGIST IN CHARGE
NATIONAL WEATHER SERVICE
520 NORTH ELEVAR
OXNARD, CA 93030
PHONE: 805-988-6615 X222
EMAIL: MARK.JACKSON@NOAA.GOV

NWS SERVICE CHANGE NOTICES ARE ONLINE AT /USE LOWER CASE/:

   HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM

$$
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