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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
310 PM EDT FRI JUL 17 1998
TO: FAMILY OF SERVICES /FOS/ SUBSCRIBERS... NOAA WEATHER
WIRE SERVICE /NWWS/ SUBSCRIBERS... OTHER NATIONAL
WEATHER SERVICE /NWS/ CUSTOMERS... NWS EMPLOYEES
FROM: THERESE Z. PIERCE... CHIEF... HYDROMET. SERVICES
SUBJECT: NEW PUBLIC FORECAST ZONES IN HAWAII AND DISCONTINUATION
OF LOCAL FORECAST PRODUCTS...EFFECTIVE SEP 15 1998
ON SEPTEMBER 15 1998...TWO CHANGES WILL OCCUR REGARDING
FORECAST PRODUCTS ISSUED BY THE HONOLULU NWS FORECAST
OFFICE FOR THE STATE OF HAWAII. THESE CHANGES ARE:
1. NEW PUBLIC FORECAST ZONES FOR THE ISLAND OF HAWAII
2. DISCONTINUATION OF CERTAIN LOCAL FORECAST PRODUCTS
1. THE NWS WILL IMPLEMENT NEW PUBLIC FORECAST ZONES FOR THE
ISLAND OF HAWAII ON SEPTEMBER 15 1998... AT 1400 UNIVERSAL
COORDINATED TIME /UTC/... 4 A.M. HST. THE CURRENT HIZ004 /ISLAND
OF HAWAII/ WILL BE DIVIDED INTO THREE ZONES... HIZ004...
HIZ007... AND HIZ008 /SEE TABLE A/. THESE NEW FORECAST DIVISIONS
WILL PROVIDE BETTER SITE-SPECIFIC FORECASTS BY AFFORDING
FORECASTERS THE FLEXIBILITY TO SEPARATE OR GROUP THE NEW SMALLER
ZONES TOGETHER TO MORE ACCURATELY REFLECT ONGOING AND PREDICTED
WEATHER.
TABLE A. NEW ZONES EFFECTIVE SEPTEMBER 15 1998 AT 1400 UTC: UGC
UNIVERSAL GENERIC CODE
UGC Z HAWAII ZONE NAME
HIZ004- NORTH AND EAST HAWAII INCLUDING WINDWARD KOHALA
HAMAKUA HILO AND PUNA
HIZ007- WEST HAWAII INCLUDING LEEWARD KOHALA AND KONA
HIZ008- SOUTH HAWAII INCLUDING KAU
THE CATEGORIES OF AFFECTED PRODUCTS THAT USE THE Z FORM OF THE
UGC ARE LISTED BELOW WITH THEIR WMO HEADINGS AND NWWS
IDENTIFIERS. MANY PRODUCTS ISSUED... NOT JUST ZONE FORECASTS...
WILL BE AFFECTED BY THE NEW ZONE DESIGNATIONS /TABLE B/. THIS IS
BECAUSE THE Z FORM OF THE UGC USED IN THESE PRODUCTS WILL CONTAIN
THE NEW ZONE NUMBERS TO IDENTIFY SPECIFIC AREAS WITHIN THE STATE.
CUSTOMERS WHO SELECT INFORMATION FOR SPECIFIC ZONES WILL NEED TO
USE THE NEW UGC/S FOR THE NEW ZONES.
TABLE B. PRODUCT CATEGORIES AFFECTED BY NEW ZONE DESIGNATIONS.
PRODUCT WMO HEADING NWWS ID
PUBLIC INFORMATION STATEMENT ABHW40 PHNL HNLPNSHNL
FLOOD POTENTIAL OUTLOOK FGHW40 PHNL HNLESFHNL
FLASH FLOOD WATCH FGHW41 PHNL HNLFFAHNL
+ FLASH FLOOD WARNING WOHW40 PHNL HNLFFWHNL
FLASH FLOOD STATEMENT FGHW42 PHNL HNLFFSHNL
HAWAII ZONE FORECASTS FPHW1 PHNL HNLZFPHI
HAWAII STATE FORECAST FPHW4 PHNL HNLSFPHI
SHORT TERM FORECAST FPHW80 PHNL HNLNOWHI
HIGH SURF ADVISORY WOHW2 PHNL HNLSVRHI
SPECIAL WEATHER STATEMENT WOHW41 PHNL HNLSPSHNL
SEVERE WEATHER STATEMENT WWHW40 PHNL HNLSVSHNL
+ TORNADO WARNING WOHW42 PHNL HNLTORHNL
+ SEVERE THUNDERSTORM WARNING WOHW42 PHNL HNLSVRHNL
SEVERE WEATHER STATEMENT WWHW40 PHNL HNLSVSHNL
CIVIL EMERGENCY MESSAGE WOHW50 PHNL HNLCEMHNL
NON-PRECIP WATCH/WARNING/ADVISORY WWHW45 PHNL HNLNPWHNL
WINTER WEATHER WATCH/WARNING/ADVY WWHW46 PHNL HNLWSWHNL
+ ALSO USES UGC COUNTY /C/ CODES
THE ZONE CHANGES UPDATE PAGES A-127 AND A-128 OF THE NATIONAL
WEATHER SERVICE OPERATIONS MANUAL CHAPTER C-11...ZONE AND
LOCAL FORECASTS...APPENDIX A- ZONE FORECAST MAPS. THE UPDATED
ZONE MAP CAN BE DOWNLOADED OFF THE FOLLOWING WEB SITE /IN
ALL LOWER CASE/:
HTTP://WWW.NWS.NOAA.GOV/MODERNIZE/ST-MAPS/MAPS.HTM
2. ALSO ON SEPTEMBER 15 1998... AT 1400 UTC... 4 A.M. HST... THE
NWS WILL DISCONTINUE THE PRODUCT HAWAII LOCAL FORECASTS /FPHW2
PHNL - HNLLFPHI/ WHICH INCLUDES THE HONOLULU PEARL CITY AND
WINDWARD OAHU COMMUNITIES FORECAST AND THE KAILUA KONA TOWN
FORECAST.
CUSTOMERS THAT CURRENTLY USE THE HONOLULU PEARL CITY AND WINDWARD
OAHU COMMUNITIES FORECAST OR THE KAILUA KONA TOWN FORECAST WILL
FIND DETAILED FORECASTS CURRENTLY AVAILABLE FOR THESE AREAS IN
THE HAWAII ZONE FORECASTS WITHIN THE ZONES HIZ002 - OAHU AND
HIZ007 - WEST HAWAII INCLUDING LEEWARD KOHALA AND KONA ...
RESPECTIVELY.
THE HAWAII ZONE FORECASTS PROVIDE SITE-SPECIFIC HIGH AND LOW
TEMPERATURE FORECASTS IN TABULAR FORMAT FOLLOWING THE
FORECASTS OF SKY...WEATHER AND WIND CONDITIONS. THESE
CHANGES SHOULD PROVIDE IMPROVED SERVICE TO ALL CUSTOMERS.
FOR FURTHER INFORMATION YOU MAY CONTACT:
NATIONAL WEATHER SERVICE NWS/HYDROMET. SERVICES/OM12/
2525 CORREA ROAD SUITE 250 1325 EAST-WEST HIGHWAY
HONOLULU HI 96822 SILVER SPRING MD 20910
808-973-5275 301-713-1726 X149