...NEW AIR QUALITY ALERT MESSAGES BEGIN MAY 15 2008...

TO:       FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER
          WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS
          WEATHER INFORMATION NETWORK /EMWIN/ SUBSCRIBERS...
          NOAAPORT SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE
          /NWS/ CUSTOMERS AND PARTNERS...AND NWS EMPLOYEES

FROM:     JUDSON LADD
          CHIEF...OPERATIONAL SERVICES DIVISION

SUBJECT:  IDENTIFIER CHANGE FOR OZONE ACTION DAYS FOR THE TEXAS
          COUNTIES OF HARDIN/JEFFERSON/ORANGE...AND THE
          LOUISIANA PARISHES OF CALCASIEU/LAFAYETTE

EFFECTIVE THURSDAY MAY 15 2008 AT 400 AM CDT /0800 UTC/...A NEW
COMMUNICATIONS IDENTIFIER WILL BE IMPLEMENTED FOR ALL NON-ROUTINE
AIR QUALITY ALERT MESSAGES /AQA/ ISSUED BY THE NATIONAL WEATHER
SERVICE OFFICE IN LAKE CHARLES LOUISIANA / WFO LCH /. WFO LCH WILL
BEGIN RELAYING THE OZONE ACTION DAY FOR THE TEXAS COUNTIES OF
HARDIN/JEFFERSON/ORANGE UNDER THE AWIPS ID OF AQALCH / WMO HEADER
AEUS7X KLCH / AND DISCONTINUE THIS INFORMATION UNDER AWIPS ID
PNSLCH / WMO HEADER WWUS8X KLCH.

THIS SERVICE IMPROVEMENT WILL ENHANCE THE DISSEMINATION OF OZONE
AND OTHER AIR QUALITY ALERT MESSAGES. THE AQA IS AN EVENT DRIVEN
PRODUCT. IT IS ISSUED WHEN EXTERNAL AGENCIES RELAY MESSAGES WHICH
MEET OR EXCEED ENVIRONMENTAL PROTECTION AGENCY STANDARDS FOR POOR
AIR QUALITY. THE PRODUCT TYPE LINE IN THE MASS NEWS DISSEMINATOR
HEADER BLOCK WILL BE: AIR QUALITY ALERT MESSAGE.


TABLE 1.AWIPS ID AND WMO HEADINGS FOR OZONE INFORMATION.


PRODUCT NAME     LOCATION             AWIPS ID      WMO HEADING
AIR QUALITY      HARDIN/JEFFERSON/    NEWAQALCH     AEUS7X KLCH
ALERT MESSAGE    ORANGE COUNTIES
                 CALCASIEU/LAFAYETTE
                 PARISHES

IF YOU HAVE ANY QUESTIONS CONCERNING THE ISSUANCE OF THIS PRODUCT
PLEASE CONTACT...

ANDY PATRICK                  ROGER ERICKSON
METEOROLOGIST IN CHARGE       WARNING COORDINATION METEOROLOGIST
500 AIRPORT BLVD. #115        500 AIRPORT BLVD. #115
LAKE CHARLES, LA 70607        LAKE CHARLES, LA 70607
337-477-5285                  337-477-5285
ANDY.PATRICK@NOAA.GOV       ROGER.ERICKSON@NOAA.GOV