20051011: amended: vis & obs vision guidance-ETA MOS-ADMIN NOTICE NOUS41 KWBC (fwd)

• To: nws-changes@xxxxxxxxxxxxxxxx
• Subject: 20051011: amended: vis & obs vision guidance-ETA MOS-ADMIN NOTICE NOUS41 KWBC (fwd)
• From: Linda Miller <lmiller@xxxxxxxxxxxxxxxx>
• Date: Tue, 11 Oct 2005 12:12:06 -0600

931
NOUS41 KWBC 111638
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 05-43...AMENDED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1240 PM EDT TUE OCT 11 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 RESCHEDULED FOR NOVEMBER 1 2005.

REFER TO: TECHNICAL IMPLEMENTATION NOTICE /TIN/ 05-43
         TRANSMITTED ON JUNE 8 2005 AND AMENDED TIN 05-43
         TRANSMITTED ON AUGUST 24 2005

AMENDED TO ANNOUNCE THAT IMPLEMENTATION HAS BEEN RESCHEDULED FOR
NOVEMBER 1 2005.

ATTENTION USERS OF THE MODEL OUTPUT STATISTICS /MOS/ GUIDANCE:
ON TUESDAY... NOVEMBER 1 2005... THE NWS WILL ADD VISIBILITY AND
OBSTRUCTION TO VISION GUIDANCE TO THE ETA MOS SYSTEM.  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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