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NOUS41 KWBC 241723
PNSWSH
TECHNICAL IMPLEMENTATION NOTICE 05-43...AMENDED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
125 PM EDT WED AUG 24 2005
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... NWS EMPLOYEES
FROM: PAUL HIRSCHBERG
CHIEF... SCIENCE PLANS BRANCH
OFFICE OF SCIENCE AND TECHNOLOGY /OST/
SUBJECT: AMENDED: ADDITION OF VISIBILITY AND OBSTRUCTION TO
VISION GUIDANCE TO ETA MOS PRODUCTS: IMPLEMETATION
DATE POSTPONED.
REFER TO: TECHNICAL IMPLEMENTATION NOTICE /TIN/ 05-43
TRANSMITTED ON JUNE 8 2005
AMENDED TO POSTPONE UNTIL FURTHER NOTICE AUGUST 30 2005
IMPLEMENTATION OF ETA MOS VISIBILITY AND OBSTRUCTION TO VISION
GUIDANCE. A FOLLOW-UP TIN WILL BE ISSUED WHEN A NEW
IMPLEMENTATION DATE IS SET.
ATTENTION USERS OF THE MODEL OUTPUT STATISTICS /MOS/ GUIDANCE:
THE NWS WILL ADD VISIBILITY AND OBSTRUCTION TO VISION GUIDANCE TO
THE ETA MOS SYSTEM AT A DATE TO BE ANNOUNCED IN A FOLLOW-ON TIN.
THE TEXT PRODUCTS WILL CONTAIN CATEGORICAL GUIDANCE AS OUTLINED
BELOW.
VISIBILITY CATEGORICAL DEFINITIONS:
1 = < MI
2 = MI TO < 1 MI
3 = 1 TO < 2 MI
4 = 2 TO < 3 MI
5 = 3 TO 5 MI
6 = 6 MI
7 = > 6 MI
OBSTRUCTION TO VISION CATEGORICAL DEFINITIONS:
N = NONE OF THE FOLLOWING
HZ = HAZE... SMOKE... DUST
BR = MIST (FOG WITH VISIBILITY >= 5/8 MI)
FG = FOG OR GROUND FOG (VISIBILITY < 5/8 MI)
BL = BLOWING DUST... SAND... OR SNOW
THE BINARY UNIVERSAL FORM FOR THE REPRESENTATION OF
METEOROLOGICAL DATA /BUFR/ PRODUCTS WILL CONTAIN PROBABILISTIC
AND CATEGORICAL GUIDANCE. THE COMMUNICATION IDENTIFIERS FOR ALL
ETA MOS PRODUCTS ARE SHOWN IN TABLE 1.
TABLE 1. COMMUNICATION IDENTIFIERS FOR THE ETA-BASED MOS TEXT
AND BUFR PRODUCTS TO WHICH VISIBILITY AND OBSTRUCTION TO VISION
GUIDANCE WILL BE ADDED.
WMO HEADING AWIPS ID
TEXT PRODUCTS
FOPA40 KWNOMETPA0
FOUS44 KWNOMETNE1
FOUS45 KWNOMETSE1
FOUS46 KWNOMETNC1
FOUS47 KWNOMETSC1
FOUS48 KWNOMETRM1
FOUS49 KWNOMETWC1
FOAK47 KWNOMETAJK
FOAK48 KWNOMETAFC
FOAK49 KWNOMETAFG
BUFR PRODUCTS
JSML10 KWNO
JSML11 KWNO
JSML12 KWNO
JSML13 KWNO
JSML14 KWNO
JSML15 KWNO
JSML16 KWNO
JSML17 KWNO
A TECHNICAL PROCEDURES BULLETIN DESCRIBING THE ETA MOS TEXT
PRODUCTS INCLUDING A SAMPLE MESSAGE CONTAINING VISIBILTY AND
OBSTRUCTION TO VISION GUIDANCE IS AVAILABLE AT THE URL LISTED
BELOW /USE LOWER CASE LETTERS/...
HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/TPB/MDLTPB05-06.PDF
A WEB PAGE OUTLINING THE ETA-BASED BUFR PRODUCTS CAN BE FOUND
ONLINE AT /USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/BUFR.HTML
IF YOU HAVE ANY QUESTIONS ABOUT THESE PRODUCTS OR THE MOS
GUIDANCE... PLEASE CONTACT:
PAUL DALLAVALLE
METEOROLOGICAL DEVELOPMENT LABORATORY
SILVER SPRING MARYLAND
PHONE: 301-713-0023 EXT. 135
E-MAIL: PAUL.DALLAVALLE@xxxxxxxx
LINKS TO THE MOS PRODUCTS... ALONG WITH DESCRIPTIONS... CAN BE
FOUND AT THE URL LISTED BELOW /USE LOWER CASE LETTERS/...
HTTP://WWW.NWS.NOAA.GOV/MDL/SYNOP/PRODUCTS.SHTML
THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE
ON THE INTERNET AT THE URL LISTED BELOW /USE LOWER CASE
LETTERS/
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
$$
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