-------- 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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