ADDS-Aviation Digital Data service to Change Nov-28


#1

This is a C/P from there site:

NOUS41 KWBC 071420 CCA
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 06-31…CORRECTED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
922 AM EST TUE NOV 7 2006

TO: NATIONAL WEATHER SERVICE /NWS/ OFFICES
FAMILY OF SERVICES /FOS/ SUBSCRIBERS
FEDERAL AVIATION ADMINISTRATION /FAA/ OFFICES
OTHER NWS AVIATION CUSTOMERS AND PARTNERS

FROM: KEVIN L. JOHNSTON
CHIEF…AVIATION SERVICES BRANCH

SUBJECT: CORRECTED AMENDED STANDARDIZATION OF AIRMET TEXT
PRODUCTS ISSUED FOR THE CONUS EFFECTIVE
NOVEMBER 28 2006.

REFER TO: TECHNICAL IMPLEMENTATION NOTICE /TIN/ 06-31
TRANSMITTED MAY 12 2006 AND AMENDED TIN 06-31
TRANSMITTED JULY 24 2006 AND NOVEMBER 7 2006

NOTE: THE FOLLOWING IMPLEMENTATION WILL HAVE NO IMPACT ON
NOAA WEATHER WIRE SERVICE SUBSCRIBERS.

CORRECTED TO CHANGE IMPLEMENTATION START TIME FROM 1345 UTC
TO 1445 UTC.

AMENDED TO SET NOVEMBER 28 2006 AS THE IMPLEMENTATION DATE OF THE
STANDARDIZATION OF AIRMET TEXT PRODUCTS ISSUED FOR THE CONUS.

EFFECTIVE TUESDAY NOVEMBER 28 2006 … BEGINNING AT 1445
COORDINATED UNIVERSAL TIME /UTC/ … NWS WILL IMPLEMENT
FORMAT CHANGES TO STANDARDIZE THE AIRMENS METEOROLOGICAL
INFORMATION /AIRMET/ TEXT PRODUCTS. THE PRODUCT IS ISSUED BY
THE AVIATION WEATHER CENTER /AWC/ IN KANSAS CITY MISSOURI
FOR THE CONTERMINOUS UNITED STATES /CONUS/ AND ADJACENT
COASTAL WATERS. SEE TABLE 1 BELOW.

THE FOLLOWING AIRMET STANDARDS WILL BE IMPLEMENTED FOR ALL
AIRMETS:

  1. THE FREQUENCY OF THE HAZARD OCCURRENCE /OCNL/ AND /FRQ/
    WILL NO LONGER BE INCLUDED.

  2. TREND REMARKS WILL NO LONGER BE INCLUDED.

  3. THE 6 TO 12-HOUR FORECAST OUTLOOK AREAS WILL BE DELINEATED
    WITH HIGH ALTITUDE VOR LOCATIONS PRECEDED WITH THE /BOUNDED BY/
    DESCRIPTOR.

  4. THE REASON FOR AMENDING … CORRECTING OR CANCELING AN AIRMET
    WILL NO LONGER BE INCLUDED.

  5. SIGMET REFERENCE STATEMENTS WILL NOT REFER TO THE SIGMET
    HAZARD. STATEMENTS SUCH AS /FOR AREAS OF POSS SEV TURB/ AND /FOR
    AREAS OF POSS SEV ICE/ WILL NO LONGER BE INCLUDED. INSTEAD THE
    STATEMENT /SEE SIGMET XXXX SERIES/ WILL BE USED. FOR EXAMPLE …
    /SEE SIGMET TANGO SERIES/.

THE FOLLOWING AIRMET STANDARDS WILL BE IMPLEMENTED FOR ALL
AIRMET SIERRA:

  1. AIRMET IFR: THE CAUSE OF THE VISIBILITY RESTRICTION WILL BE
    LIMITED TO /PCPN/ … /FU/ … /HZ/ … /BR/ … /FG/ AND
    /BLSN/.

  2. AIRMET MTN OBSCN: THE CAUSE OF THE OBSCURATION WILL BE
    LIMITED TO /CLDS/ … /PCPN/ … /FU/ … /HZ/ … /BR/ AND
    /FG/.

THE FOLLOWING AIRMET STANDARDS WILL BE IMPLEMENTED FOR ALL
AIRMET TANGO:

  1. AIRMET TURB: THE CAUSE OF THE TURBULENCE WILL NO LONGER BE
    INCLUDED.

  2. AIRMET STG SFC WND: THE CAUSE AND DIRECTION OF THE WIND WILL
    NO LONGER BE INCLUDED.

  3. LLWS POTENTIAL: WILL INCLUDE A LIST OF AFFECTED STATES.

  4. LLWS POTENTIAL: WILL BE DELINEATED USING HIGH ALTITUDE VOR
    LOCATIONS PRECEDED BY THE /BOUNDED BY/ DESCRIPTOR.

  5. LLWS POTENTIAL: LLWS INFORMATION WILL NOT INCLUDE PHRASES
    SUCH AS /BLW 2000 FT/ OR /BLW AGL 020/.

  6. LLWS POTENTIAL: THE CAUSE OF THE LLWS WILL NO LONGER BE
    INCLUDED.

THE FOLLOWING AIRMET STANDARDS WILL BE IMPLEMENTED FOR ALL
AIRMET ZULU:

  1. AIRMET ICE: THE ICING TYPES /RIME/ … /MXD/ AND /CLR/ WILL NO
    LONGER BE INCLUDED.

  2. AIRMET ICE: THE LOCATION OF ICING WITH RESPECT TO CLOUDS AND
    PRECIPITATION /ICGICIP/ … /ICGIC/ AND /ICGIP/ WILL NO LONGER BE
    INCLUDED. INSTEAD THE TERM /ICE/ WILL BE USED.

  3. THE FREEZING LEVEL WILL BE DEFINED AS THE LOWEST FREEZING
    LEVEL ABOVE GROUND LEVEL OR /SFC/ AS APPROPRIATE.

  4. FREEZING LEVELS WILL BE DELINEATED USING HIGH ALTITUDE VOR
    LOCATIONS AT INTERVALS OF 4000 FEET ABOVE MEAN SEA LEVEL OR /SFC/
    AS APPROPRIATE. FREEZING LEVEL DESCRIPTIONS WILL NOT INCLUDE
    STATES … PORTIONS OF STATES OR GEOGRAPHICAL AREAS.

  5. AREAS WITH MULTIPLE FREEZING LEVELS ABOVE THE GROUND WILL BE
    DELINEATED USING HIGH ALTITUDE VOR LOCATIONS PRECEDED WITH THE
    /BOUNDED BY/ DESCRIPTOR.

  6. THE RANGE OF FREEZING LEVELS OVER THE AREA WILL BE INCLUDED.

TABLE 1: PRODUCTS AFFECTED BY THIS CHANGE

WMO HEADER AWIPS ID DESCRIPTION PORTION OF CONUS

WAUS41 KKCI MKCWA1S AIRMET SIERRA NORTHEASTERN
WAUS41 KKCI MKCWA1T AIRMET TANGO NORTHEASTERN
WAUS41 KKCI MKCWA1Z AIRMET ZULU NORTHEASTERN

WAUS42 KKCI MKCWA2S AIRMET SIERRA SOUTHEASTERN
WAUS42 KKCI MKCWA2T AIRMET TANGO SOUTHEASTERN
WAUS42 KKCI MKCWA2Z AIRMET ZULU SOUTHEASTERN

WAUS43 KKCI MKCWA3S AIRMET SIERRA NORTH CENTRAL
WAUS43 KKCI MKCWA3T AIRMET TANGO NORTH CENTRAL
WAUS43 KKCI MKCWA3Z AIRMET ZULU NORTH CENTRAL

WAUS44 KKCI MKCWA4S AIRMET SIERRA SOUTH CENTRAL
WAUS44 KKCI MKCWA4T AIRMET TANGO SOUTH CENTRAL
WAUS44 KKCI MKCWA4Z AIRMET ZULU SOUTH CENTRAL

WAUS45 KKCI MKCWA5S AIRMET SIERRA ROCKY MOUNTAIN
WAUS45 KKCI MKCWA5T AIRMET TANGO ROCKY MOUNTAIN
WAUS45 KKCI MKCWA5Z AIRMET ZULU ROCKY MOUNTAIN

WAUS46 KKCI MKCWA6S AIRMET SIERRA PACIFIC COAST
WAUS46 KKCI MKCWA6T AIRMET TANGO PACIFIC COAST
WAUS46 KKCI MKCWA6Z AIRMET ZULU PACIFIC COAST

A DETAILED DESCRIPTION OF THESE CHANGES WITH EXAMPLES MAY BE
FOUND ON THE INTERNET AT /USE LOWER CASE LETTERS/:

 [AVIATIONWEATHER.GOV/NOTICE/AIRMET/](HTTP://AVIATIONWEATHER.GOV/NOTICE/AIRMET/)

IF YOU HAVE ANY QUESTIONS CONCERNING THESE CHANGES CONTACT:

CLINTON WALLACE
CHIEF AVIATION SUPPORT BRANCH
AVIATION WEATHER CENTER
KANSAS CITY MISSOURI 64153
PHONE: 816-584-7248
E-MAIL: [CLINTON.WALLACE@NOAA.GOV](mailto:CLINTON.WALLACE@NOAA.GOV)

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

[NWS.NOAA.GOV/OM/NOTIF.HTM](HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM)
NNNN

#2

That sounds like a drastic emasculation. I hope the subscription price is being similarly reduced.


#3

Can’t reduce the subscription fee as ADDS is free.

Allen