[nws-changes] 20080915: fire and public wx zones

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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@xxxxxxxx

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

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

$$
NNNN



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