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NOUS41 KWBC 131506
PNSWSH
SERVICE CHANGE NOTICE 09-50
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1110 AM EDT TUE OCT 13 2009
TO: SUBSCRIBERS:
-FAMILY OF SERVICES
-NOAA WEATHER WIRE SERVICE
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
-NOAAPORT
OTHER NWS PARTNERS...USERS AND EMPLOYEES
FROM: ELI JACKS
CHIEF...FIRE AND PUBLIC WEATHER SERVICES BRANCH
SUBJECT: A SPLIT OF FAUQUIER COUNTY VIRGINIA INTO NORTHERN
FAUQUIER AND SOUTHERN FAUQUIER FIRE AND PUBLIC
FORECAST ZONES EFFECTIVE JANUARY 11 2010
EFFECTIVE MONDAY JANUARY 11 2010 AT 100 PM EASTERN STANDARD TIME
/EST/...1800 COORDINATED UNIVERSAL TIME /UTC/...THE NWS
BALTIMORE/WASHINGTON WEATHER FORECAST OFFICE /WFO LWX/ WILL
SPLIT THE FIRE AND PUBLIC FORECAST ZONE FOR FAUQUIER COUNTY
VIRGINIA...CURRENTLY ZONE VAZ041...INTO TWO ZONES: NORTHERN
FAUQUIER /VAZ501/ AND SOUTHERN FAUQUIER /VAZ502/. THIS SPLIT IS
APPLIES TO BOTH THE FIRE AND PUBLIC ZONES FOR THE COUNTY.
TABLE 1. ZONE /Z/ FORM OF THE UNIVERSAL GEOGRAPHIC CODE /UGC/
AND FIRE/PUBLIC FORECAST ZONE NAMES/NUMBERS FOR WFO LWX USERS:
NEW ZONE NAME NEW UGC /Z/ OLD ZONE NAME OLD UGC /Z/
------------- ----------- ------------- -----------
NORTHERN FAUQUIER VAZ501 FAUQUIER VAZ041
SOUTHERN FAUQUIER VAZ502 FAUQUIER VAZ041
CURRENTLY THE FORECAST ZONE FOR FAUQUIER COUNTY ENCOMPASSES THE
BLUE RIDGE MOUNTAINS AND HIGHER ELEVATIONS OF THE NORTH AS WELL
AS THE LOWER ELEVATIONS OF THE SOUTH ALONG THE SHORES OF THE
POTOMAC RIVER. TWO MAJOR INTERSTATE ROADS ALSO PASS THROUGH THE
COUNTY: INTERSTATE 66 IN THE NORTH AND INTERSTATE 95 IN THE
SOUTH.
BY SPLITTING THE COUNTY BASED ON TWO DISTINCT CLIMATE REGIMES
INTO A NORTHERN AND A SOUTHERN FORECAST ZONE...FORECAST AND
WARNING SERVICES WILL BE IMPROVED IN THIS POPULOUS AND HEAVILY
TRAVELED COUNTY. THE DIVIDE WILL FOLLOW A LINE THAT RUNS WEST TO
EAST THROUGH FAUQUIER COUNTY ALONG ROUTE 15/29 AND ROUTE 211.
THE TOWN OF WARRENTON...WHICH LIES ALONG THE BOUNDARY...WILL BE
INCLUDED IN THE NORTHERN FAUQUIER ZONE. GRAPHICAL IMAGES OF THE TWO NEW FORECAST ZONES ARE ONLINE AT /USE LOWERCASE/: HTTP://WWW.ERH.NOAA.GOV/LWX/FAUQUIER_CHANGE.PHP TABLE 2. WFO BALTIMORE/WASHINGTON PRODUCTS AFFECTED BY THE CHANGE EFFECTIVE JANUARY 11 2010: PRODUCT NAME WMO HEADING AWIPS ID SPECIAL WEATHER STATEMENT WWUS81 KLWX SPSLWX HURRICANE LOCAL STATEMENT WTUS81 KLWX HLSLWX ZONE FORECAST PRODUCT FPUS51 KLWX ZFPLWX ENHANCED LOCAL FORECAST FEUS71 KLWX EOLLWX SHORT TERM FORECAST FPUS71 KLWX NOWLWX HAZARDOUS WEATHER OUTLOOK FLUS41 KLWX HWOLWX NON-PRECIPITATION MESSAGE WWUS71 KLWX NPWLWX WINTER WEATHER MESSAGE WWUS41 KLWX WSWLWX AREA FORECAST MATRICES FOUS51 KLWX AFMLWX FIRE WEATHER FORECAST FNUS51 KLWX FWFLWX REGIONAL WEATHER STORY AWUS81 KLWX RWSLWX FLOOD WATCH WGUS61 KLWX FFALWX HYDROLOGIC OUTLOOK FGUS71 KLWX ESFLWX FIRE WEATHER WATCH WWUS81 KLWX RFWLWX RED FLAG WARNING WWUS81 KLWX RFWLWX PUBLIC INFORMATION STATEMENT NOUS41 KLWX PNSLWX IF YOU ARE AFFECTED BY THESE CHANGES...TAKE THE APPROPRIATE ACTION SO YOUR SYSTEM/S/ RECOGNIZE THE NEW ZONE /Z/ UNIVERSAL GEOGRAPHIC CODES /UGC/ AND THE NEW ZONE ALIGNMENTS FOR NORTHERN AND SOUTHERN FAUQUIER VIRGINIA. AN UPDATED PUBLIC ZONE MAP SHAPEFILE IS AVAILABLE FOR DOWNLOAD AT /USE LOWERCASE/: HTTP://WWW.WEATHER.GOV/GEODATA/CATALOG/WSOM/HTML/PUBZONE.HTM AN UPDATED FIRE ZONE MAP SHAPEFILE IS AVAILABLE FOR DOWNLOAD AT /USE LOWERCASE/: HTTP://WWW.WEATHER.GOV/GEODATA/CATALOG/WSOM/HTML/FIREZONE.HTM THE EFFECTIVE DATE OF THIS CHANGE IS SOONER THAN SPECIFIED BY NWS POLICY /NWS INSTRUCTION 10-1805/. THE REDUCTION OF THE NORMAL ADVANCE LEAD TIME WAS NECESSARY TO ENSURE THE CHANGE WOULD BE EFFECTIVE FOR THE HEART OF THE WINTER WEATHER SEASON AT THE REQUEST OF LOCAL EMERGENCY MANAGERS. PARTNERS AND USERS SHOULD NOT HAVE TO MAKE SIGNIFICANT ADJUSTMENTS TO ACCOMMODATE THE CHANGE. IF YOU HAVE ANY QUESTIONS...PLEASE CONTACT: CHRISTOPHER STRONG JOHN KOCH WARNING COORDINATION METEOROLOGIST PUBLIC PROGRAM LEADER NATIONAL WEATHER SERVICE NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON EASTERN REGION HEADQUARTERS 43858 WEATHER SERVICE ROAD 630 JOHNSON AVENUE STERLING VA 20166 BOHEMIA NY 11716 703-996-2223 631-244-0104 CHRISTOPHER.STRONG@xxxxxxxx JOHN.KOCH@xxxxxxxx NATIONAL SERVICE CHANGE NOTICES ARE ONLINE AT /USE LOWERCASE/: HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM $$ NNNN
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