20070302: icing product-: ADMIN NOTICE NOUS41 KWBC]

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-------- Original Message --------

239 NOUS41 KWBC 021805
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 07-15
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
105 PM EST FRI MAR 2 2007

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

FROM:    KEVIN L. JOHNSTON
CHIEF...AVIATION SERVICES BRANCH
SUBJECT: CHANGES TO THE IMPLEMENTATION OF THE CURRENT ICING
        PRODUCT /CIP/ IN GRIB FORMAT: EFFECTIVE MAY 15 2007

NOTE: THE FOLLOWING CHANGES HAVE NO IMPACT ON NOAA WEATHER WIRE SERVICE SUBSCRIBERS

EFFECTIVE MAY 15 2007 AT 1300 COORDINATED UNIVERSAL TIME /UTC/...THE NWS AVIATION WEATHER CENTER /AWC/ IN KANSAS CITY MISSOURI WILL MAKE TWO CHANGES TO THE PRODUCT DEFINITION SECTION /PDS/ OF THE GRIDDED BINARY EDITION 1 /GRIB1/ OUTPUT OF THE CIP.

THE TWO CHANGES APPLY TO THE 20 KILOMETER /KM/ HORIZONTAL RESOLUTION CIP ICING SEVERITY /CIP-SEV/ OUTPUT IN GRIB1 FORMAT ORIGINALLY IMPLEMENTED ON DECEMBER 06 2006 /LIST 1/.

THE TWO CHANGES ALSO APPLY TO THE 20 KM CIP TOTAL AND SUPERCOOLED LARGE DROPLETS /SLD/ ICING OUTPUT IN GRIB1 FORMAT ORIGINALLY IMPLEMENTED ON SEPTEMBER 06 2005 /LIST 1/ AND TO THE 40 KM CIP TOTAL AND SLD ICING OUTPUT IN GRIB1 ORIGINALLY IMPLEMENTED MARCH 27 2002 /LIST 2/.

GRIB PDS OCTETS AND TABLES REFERRED IN THE CHANGES BELOW ARE DERIVED FROM THE NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION /NCEP/ OFFICE NOTE 388. OFFICE NOTE 388 CAN BE ACCESSED ONLINE AT /USE LOWER CASE LETTERS/:

  HTTP://WWW.NCO.NCEP.NOAA.GOV/PMB/DOCS/ON388/


CHANGES TO CIP IN GRIB1 FORMAT:

1. FOR PDS OCTET 6: VALUE=8 IN TABLE A WILL CHANGE TO VALUE=191 IN TABLE A.

2. FOR PDS OCTET 9: VALUE=176 IN TABLE 2 WILL CHANGE TO VALUE=176 IN TABLE 129.

LIST 1: AFFECTED WORLD METEOROLOGICAL ORGANIZATION /WMO/ COMMUNICATION HEADINGS FOR THE 20 KM CIP GRIB1 OUTPUT.

FLIGHT LEVEL TOTAL ICE SLD ICE SEVERITY ----- ----------- ----------- ----------- 010 YIXA93 KKCI YJXA93 KKCI YLXA93 KKCI
020     YIXA95 KKCI  YJXA95 KKCI  YLXA95 KKCI
030     YIXA90 KKCI  YJXA90 KKCI  YLXA90 KKCI
040     YIXA84 KKCI  YJXA84 KKCI  YLXA84 KKCI
050     YIXA85 KKCI  YJXA85 KKCI  YLXA85 KKCI
060     YIXA81 KKCI  YJXA81 KKCI  YLXA81 KKCI
070     YIXA78 KKCI  YJXA78 KKCI  YLXA78 KKCI
080     YIXA75 KKCI  YJXA75 KKCI  YLXA75 KKCI
090     YIXA73 KKCI  YJXA73 KKCI  YLXA73 KKCI
100     YIXA70 KKCI  YJXA70 KKCI  YLXA70 KKCI
110     YIXA67 KKCI  YJXA67 KKCI  YLXA67 KKCI
120     YIXA65 KKCI  YJXA65 KKCI  YLXA65 KKCI
130     YIXA62 KKCI  YJXA62 KKCI  YLXA62 KKCI
140     YIXA60 KKCI  YJXA60 KKCI  YLXA60 KKCI
150     YIXA57 KKCI  YJXA57 KKCI  YLXA57 KKCI
160     YIXA55 KKCI  YJXA55 KKCI  YLXA55 KKCI
170     YIXA53 KKCI  YJXA53 KKCI  YLXA53 KKCI
180     YIXA50 KKCI  YJXA50 KKCI  YLXA50 KKCI
190     YIXA48 KKCI  YJXA48 KKCI  YLXA48 KKCI
200     YIXA46 KKCI  YJXA46 KKCI  YLXA46 KKCI
210     YIXA45 KKCI  YJXA45 KKCI  YLXA45 KKCI
220     YIXA43 KKCI  YJXA43 KKCI  YLXA43 KKCI
230     YIXA41 KKCI  YJXA41 KKCI  YLXA41 KKCI
240     YIXA39 KKCI  YJXA39 KKCI  YLXA39 KKCI
250     YIXA38 KKCI  YJXA38 KKCI  YLXA38 KKCI
260     YIXA36 KKCI  YJXA36 KKCI  YLXA36 KKCI
270     YIXA34 KKCI  YJXA34 KKCI  YLXA34 KKCI
280     YIXA33 KKCI  YJXA33 KKCI  YLXA33 KKCI
290     YIXA32 KKCI  YJXA32 KKCI  YLXA32 KKCI
300     YIXA30 KKCI  YJXA30 KKCI  YLXA30 KKCI


LIST 2: AFFECTED WMO COMMUNICATION HEADINGS FOR THE 40 KM CIP GRIB1 OUTPUT.

FLIGHT LEVEL TOTAL ICE SLD ICE ----- ----------- ----------- 010 YAWA93 KKCI YAXA93 KKCI
020     YAWA95 KKCI  YAXA95 KKCI
030     YAWA90 KKCI  YAXA90 KKCI
040     YAWA84 KKCI  YAXA84 KKCI
050     YAWA85 KKCI  YAXA85 KKCI
060     YAWA81 KKCI  YAXA81 KKCI
070     YAWA78 KKCI  YAXA78 KKCI
080     YAWA75 KKCI  YAXA75 KKCI
090     YAWA73 KKCI  YAXA73 KKCI
100     YAWA70 KKCI  YAXA70 KKCI
110     YAWA67 KKCI  YAXA67 KKCI
120     YAWA65 KKCI  YAXA65 KKCI
130     YAWA62 KKCI  YAXA62 KKCI
140     YAWA60 KKCI  YAXA60 KKCI
150     YAWA57 KKCI  YAXA57 KKCI
160     YAWA55 KKCI  YAXA55 KKCI
170     YAWA53 KKCI  YAXA53 KKCI
180     YAWA50 KKCI  YAXA50 KKCI
190     YAWA48 KKCI  YAXA48 KKCI
200     YAWA46 KKCI  YAXA46 KKCI
210     YAWA45 KKCI  YAXA45 KKCI
220     YAWA43 KKCI  YAXA43 KKCI
230     YAWA41 KKCI  YAXA41 KKCI
240     YAWA39 KKCI  YAXA39 KKCI
250     YAWA38 KKCI  YAXA38 KKCI
260     YAWA36 KKCI  YAXA36 KKCI
270     YAWA34 KKCI  YAXA34 KKCI
280     YAWA33 KKCI  YAXA33 KKCI
290     YAWA32 KKCI  YAXA32 KKCI
300     YAWA30 KKCI  YAXA30 KKCI

THE CIP-SEV PRODUCTS ARE AVAILABLE IN GRIB1 FORMAT ON:

1. THE SATELLITE BROADCAST NETWORK /SBN/ NOAAPORT CHANNEL

2. NATIONAL WEATHER SERVICE FTP SERVERS AT:

NOTE: SL...DC AND DS MUST BE UPPER CASE LETTERS. OTHERWISE USE LOWER CASE LETTERS. 20KM GRIB1 OUTPUT:

  FTP://TGFTP.NWS.NOAA.GOV/SL.US008001/DC.AVSPT/DS.CIP20

  40KM GRIB1 OUTPUT:

  FTP://TGFTP.NWS.NOAA.GOV/SL.US008001/DC.AVSPT/DS.CIPGB


3. THE FAMILY OF SERVICES /FOS/ HIGH RESOLUTION DATA SERVICE AND SERVER ACCESS SERVICE.

THE 20 KM CIP OUTPUT MAY BE VIEWED AT /USE LOWER CASES LETTERS/:

  HTTP://ADDS.AVIATIONWEATHER.GOV/ICING/ICING_NAV.PHP


IF YOU HAVE ANY QUESTIONS REGARDING THIS PRODUCT...CONTACT:
CLINTON WALLACE
CHIEF, AVIATION SUPPORT BRANCH
AVIATION WEATHER CENTER
7220 NW 101ST TERRACE ROOM 101
KANSAS CITY MO 64153
PHONE: 816-584-7248 E-MAIL: CLINTON.WALLACE@xxxxxxxx

ADDITIONAL INFORMATION ON NWS AVIATION PRODUCT DISSEMINATION IS AVAILABLE AT /USE LOWER CASES LETTERS/... HTTP://WEATHER.GOV/OM/DISEMSYS.SHTML


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

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

$$


--
Linda Miller - lmiller@xxxxxxxxxxxxxxxx
Community Services, Unidata
University Corporation for Atmospheric Research
P.O. Box 3000
Boulder, CO 80307-3000
303-497-8646 fax: 303-497-8690

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