NOUS41 KWBC 111732
PNSWSH
Service Change Notice 12-20
National Weather Service Headquarters Washington DC
132 PM EDT Fri May 11 2012
To: Subscribers:
-Family of Services
-NOAA Weather Wire Service
-Emergency Managers Weather Information Network
-NOAAPORT
Other NWS Partners and NWS Employees
From: Mark Tew
Chief, Marine and Coastal Weather Services Branch
Subject: Changes to Coastal Marine Zone Boundaries Off
Southern California Effective October 2, 2012
Effective Tuesday, October 2, 2012, at 11:00 AM Pacific
Daylight Time (PDT), 2:00 pm Eastern Daylight Time (EDT),
1800 Coordinated Universal Time (UTC), the NWS Weather Forecast
Office (WFO) in Los Angeles/Oxnard, CA (LOX) will reconfigure
marine zones PZZ670, Point Piedras Blancas to Pt Arguello out
to 60 NM, and PZZ673, Point Arguello to Santa Cruz Island and
Westward 60 NM.
The current marine zone, Point Piedras Blancas to Pt Arguello
out to 60 NM (PZZ670), will be split into two separate zones
as follows a new marine zone, PZZ645 will extend from Point
Piedras Blancas to Point Sal westward out to 10 NM. The
current marine zone PZZ670 will be reconfigured to extend
from Point Piedras Blancas to Point Sal from 10 to 60 NM out.
PZZ673 will be reconfigured to shift its northern boundary from
Point Arguello to Point Sal, to better conform to typical marine
weather conditions in the area. The purpose of these changes is
to improve marine weather services for NWS users and partners.
Table 1 lists the current marine zones and corresponding
Universal Geographic Codes (UGC) for which WFO Los Angeles/Oxnard
(LOX) issues forecasts and warnings.
Table 2 lists the marine zones and corresponding Universal
Geographic Codes (UGC) for which WFO LOX will issue forecasts
and warnings effective October 2, 2012.
Table 3 lists all of the products issued by WFO LOX that will
be affected by the marine zone changes.
Table 1. Current marine zones and corresponding UGCs which LOX
issues forecasts and warnings:
Current Marine Zone Name Current UGC
Waters from Point Piedras Blancas PZZ670
to Point Arguello CA westward 60 NM
Waters from Point Arguello to Santa Cruz Island CA PZZ673
westward 60 NM including San Miguel and
Santa Rosa Islands
East Santa Barbara Channel from Point Conception PZZ650
to Point Mugu CA including Santa Cruz and
Anacapa Islands
Inner waters from Point Mugu to San Mateo Point CA PZZ655
including Santa Catalina and Santa Barbara Islands
Outer waters from Santa Cruz Island to San Clemente PZZ676
Island to 60 NM offshore including San Nicholas
Island
Table 2. Marine zones and corresponding UGCs for which WFO LOX will issue forecasts and warnings effective October 2, 2012:
New Marine Zone Name New UGC
Waters from Point Piedras Blancas to PZZ645
Point Sal and westward 10 NM
Waters from Point Piedras Blancas to PZZ670
Point Sal and westward from 10 NM to 60 NM
Waters from Point Sal to Santa Cruz Island PZZ673
and Westward 60 NM
East Santa Barbara Channel from Point Conception PZZ650
to Point Mugu CA including Santa Cruz and
Anacapa Islands
Inner waters from Point Mugu to San Mateo Point CA PZZ655
including Santa Catalina and Santa Barbara Islands
Outer waters from Santa Cruz Island to San Clemente PZZ676
Island to 60 NM offshore including San Nicholas
Island
Graphical images of the current and future marine zones
listed in Tables 1 and 2 are online at:
http://www.wrh.noaa.gov/lox/marine/proposal_public.pdf
Table 3. WFO LOX products affected by the marine zone changes
effective October 2, 2012:
Product Name WMO Heading AWIPS ID
Coastal Waters Forecast FZUS56 KLOX CWFLOX
Marine Weather Message WHUS76 KLOX MWWLOX
Special Marine Warning WHUS56 KLOX SMWLOX
Marine Weather Statement FZUS76 KLOX MWSLOX
Watch County Notification WWUS66 KLOX WCNLOX
Hurricane Local Statement WTUS86 KLOX HLSLOX
NWS customers will be required to make necessary changes to
their communications systems to accommodate these zone changes.
Shapefiles of the new marine weather zones for the NWS Los
Angeles/Oxnard office are available for download from the
following website:
http://www.nws.noaa.gov/geodata/catalog/wsom/html/marinezones.htm
For questions regarding these product changes, please contact:
Mark Jackson
Meteorologist in Charge
National Weather Service
Oxnard, CA 93030
805-988-6615 x 222
mark.jackson@noaa.gov
National Service Change Notices are available online at:
http://www.nws.noaa.gov/om/notif.htm
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