20031202:Eta MOS Guidance-ADMIN NOTICE NOUS41 KWBC (fwd)

• To: nws-changes@xxxxxxxxxxxxxxxx
• Subject: 20031202:Eta MOS Guidance-ADMIN NOTICE NOUS41 KWBC (fwd)
• From: Linda Miller <lmiller@xxxxxxxxxxxxxxxx>
• Date: Tue, 02 Dec 2003 20:04:26 -0700

         METEOROLOGICAL DEVELOPMENT LABORATORY /MDL/
         OFFICE OF SCIENCE AND TECHNOLOGY /OST/

SUBJECT   CHANGES TO ETA MOS GUIDANCE EQUATIONS...EFFECTIVE
         FEBRUARY 3 2004

REFER TO  TECHNICAL IMPLEMENTATION NOTICE 03-49 FOR ADDITIONAL
         ETA MOS CHANGES TO BE IMPLEMENTED FEBRUARY 17 2004

NOTE...THE FOLLOWING CHANGES HAVE NO DIRECT IMPACT ON NOAA
WEATHER WIRE SUBSCRIBERS

ATTENTION USERS OF THE MODEL OUTPUT STATISTICS /MOS/ GUIDANCE...

ON TUESDAY...FEBRUARY 3 2004... WITH THE 1200 COORDINATED
UNIVERSAL TIME /UTC/ MODEL CYCLE... THE NWS WILL MAKE CHANGES TO
THE EQUATIONS USED TO PRODUCE THE ETA MOS GUIDANCE.  NEW
EQUATIONS DEVELOPED FROM A HIGH-RESOLUTION ARCHIVE...IN TIME AND
IN SPACE...OF THE ETA MODEL OUTPUT WILL NOW BE USED TO GENERATE
THE MOS GUIDANCE.  THE CONTENT OF THE ETA MOS GUIDANCE MESSAGE
WILL NOT CHANGE ON THIS DATE...HOWEVER...THE NEW EQUATIONS WILL
GENERATE GUIDANCE FOR SELECT ELEMENTS OUT TO 72-HRS IN ADVANCE...
IN PREPARATION FOR ADDITIONAL MODIFICATIONS TO THE ETA MOS ON
FEBRUARY 17 2004.  DUE TO THIS EQUATION CHANGE...THE GUIDANCE
WILL BE DISSEMINATED APPROXIMATELY 30 MINUTES LATER THAN IT
CURRENTLY IS.  CHANGES WILL ALSO BE MADE TO THE STATIONS FOR
WHICH GUIDANCE IS AVAILABLE.  FOUR STATIONS WILL BE REMOVED FROM
THE CURRENT TEXT PRODUCTS...AND THE CALL LETTERS OF 3 SITES WILL
BE UPDATED IN THE TEXT PRODUCTS.  LISTS OF ALL STATIONS IN THIS
CHANGE ARE PROVIDED BELOW.

TABLE 1.  COMMUNICATION IDENTIFIERS FOR THE CURRENT ETA-BASED MOS
TEXT PRODUCTS.  THE AWIPS IDS ARE METXXX...WHERE THE FINAL XXX
DENOTES THE GEOGRAPHIC REGION FOR WHICH THE GUIDANCE IS VALID.

    WMO HEADING    AWIPS ID

    FOUS44 KWNO    METNE1         NORTHEAST CONUS
    FOUS45 KWNO    METSE1         SOUTHEAST CONUS
    FOUS46 KWNO    METNC1         NORTH CENTRAL CONUS
    FOUS47 KWNO    METSC1         SOUTH CENTRAL CONUS
    FOUS48 KWNO    METRM1         ROCKY MOUNTAIN CONUS
    FOUS49 KWNO    METWC1         WEST COAST CONUS

THE STATIONS BEING REMOVED FROM THE TEXT PRODUCTS ARE...

    KNZJ      EL TORO...CALIFORNIA
    KP07      SANDERSON...TEXAS
    KRRF      PORT RICHEY...FLORIDA
    KY22      LEMMON...SOUTH DAKOTA

THE FOLLOWING CALL LETTER IDENTIFIERS WILL BE UPDATED IN THE TEXT
PRODUCTS...

    SITE                          FROM      TO

    CECIL FIELD...FLORIDA         KNZC      KVQQ
    CUSTER...SOUTH DAKOTA         K0V1      KCUT
    DENNISON...TEXAS              KF39      KGYI


LINKS TO THESE PRODUCTS...ALONG WITH DESCRIPTIONS...CAN BE FOUND
AT /USE LOWER CASE LETTERS/...

         HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/PRODUCTS.HTM

IF YOU HAVE ANY QUESTIONS ABOUT THESE CHANGES TO THE MOS GUIDANCE
SYSTEM...PLEASE CONTACT

    PAUL DALLAVALLE
    MDL/SILVER SPRING MARYLAND
    PHONE   301-713-0023 EXT. 135
    E-MAIL  PAUL.DALLAVALLE@xxxxxxxx

THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE
ONLINE AT /USE LOWER CASE LETTERS/

    HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM

$$

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