NOUS41 KWBC 161915
PNSWSH
TECHNICAL IMPLEMENTATION NOTICE 08-85
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
315 PM EST THU OCT 16 2008
TO: SUBSCRIBERS:
- FAMILY OF SERVICES
- NOAA WEATHER WIRE SERVICE
- EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
- NOAAPORT
- OTHER NWS PARTNERS...USERS AND EMPLOYEES
FROM: RICHARD J. VOGT
DIRECTOR...WSR-88D RADAR OPERATIONS CENTER
SUBJECT: ADDITION OF PRODUCTS DERIVED FROM FAA TERMINAL DOPPLER
WEATHER RADAR TO SBN/NOAAPORT AND RPCCDS: EFFECTIVE
NOVEMBER 18 2008
EFFECTIVE TUESDAY NOVEMBER 18 2008...AT APPROXIMATELY 1500
COORDINATED UNIVERSAL TIME /UTC/...NWS WILL BEGIN A BETA TEST
OF DISSEMINATING RADAR PRODUCTS GENERATED BY THE NWS SUPPLEMENTAL
PRODUCT GENERATOR /SPG/ USING DATA FROM THE FEDERAL AVIATION
ADMINISTRATION /FAA/ TERMINAL DOPPLER WEATHER RADAR /TDWR/.
THESE PRODUCTS WILL BE PROVIDED VIA THE RADAR PRODUCT CENTRAL
COLLECTION DISSEMINATION SERVICE /RPCCDS/. A SUB-SET WILL BE
PROVIDED VIA NOAAPORT.
BETWEEN NOVEMBER 18 2008 AND JANUARY 2009...PRODUCT DISSEMINATION
WILL BE PROVIDED FROM UP TO EIGHT BETA TEST SITES. THE REMAINING
SITES WILL BE GRADUALLY ADDED BETWEEN FEBRUARY AND JUNE 2009.
TDWR SPG PRODUCTS CONSIST OF A SET OF BASE AND ALGORITHM DERIVED
PRODUCTS AND CORRESPONDING PARAMETERS LISTED BELOW IN TABLE 1.
ANALOGOUS TO WSR-88D PRODUCTS ALREADY PROVIDED VIA RPCCDS AND
NOAAPORT...THESE NEW TDWR SPG PRODUCTS ARE ALSO INTENDED FOR
DISTRIBUTION IN NEAR REAL-TIME. THE TDWR DATA ARE PROCESSED BY
THE NWS SPG...WHICH EVOLVED FROM THE WSR-88D RADAR PRODUCTS
GENERATOR /RPG/. THUS TDWR SPG PRODUCTS ARE FORMATTED SIMILAR
TO WSR-88D RPG PRODUCTS. THE TDWR SPG BASE PRODUCTS WILL BE
PROVIDED AT 150 METER /M/ RANGE RESOLUTION...AND 300M RESOLUTION
FOR THE LONG RANGE REFLECTIVITY PRODUCT. ALGORITHM DERIVED
PRODUCTS WILL BE PROVIDED AT THE SAME RESOLUTION AS THE
CORRESPONDING WSR-88D PRODUCT.
AS AN EXAMPLE WORLD METEOROLOGICAL ORGANIZATION /WMO/ PRODUCT
HEADERS LISTED IN TABLE 1 CORRESPOND TO THE DENVER TDWR /DEN/
WHERE SPG PRODUCTS WILL ORIGINATE FROM THE BOULDER /BOU/ WEATHER
FORECAST OFFICE /WFO/. THE LIST OF 45 TDWR RADARS AND 34 WFOS
RESPONSIBLE FOR SENDING SPG PRODUCTS ARE LISTED IN TABLE 2.
THREE TDWR IDS WERE MODIFIED /CLE TO LVE...IND TO IDS...
ICT TO ICH/ SO THAT WMO HEADERS WOULD BE DISTINCT FROM WSR-88D
HEADERS. FOR THE GENERAL STATUS MESSAGE /GSM/ EXAMPLE...THE
FULL RANGE OF WFOS...STATE CROSS-REFERENCE NUMBER...AND TDWR
SPG ARE REFLECTED IN THIS TABLE.
EXCEPT FOR STATUS AND THE FREE TEXT MESSAGES...THE NWS WILL
DISSEMINATE ONE OF EACH OF THESE TABLE 1 TDWR SPG PRODUCTS EVERY
SIX MINUTE VOLUME SCAN FROM EACH TDWR SPG. THE HEADER OF EACH
PRODUCT WILL HAVE A VALID TIME CORRESPONDING TO THE DAY OF MONTH
AND THE HOUR AND MINUTE OF THE DATA /E.G. 100754 MEANS 0754
UTC ON THE TENTH DAY OF THE MONTH/. THE TDWR SPG PRODUCTS WILL
BE DISSEMINATED VIA RPCCDS AND NOAAPORT AND AVAILABLE ON THE
TELECOMMUNICATION OPERATIONS CENTER /TOC/ FTP SERVER WITHIN
60 SECONDS AFTER THE VALID TIME.
AVAILABILITY OF TDWR SPG PRODUCTS MAY BE LESS THAN THAT OF THE
WSR-88D. THE FAA ASSUMES NO LIABILITY FOR THE ACCURACY OR
TIMELINESS OF THE TDWR DATA TRANSFERRED TO THE NWS. THE TDWR
WILL BE CALIBRATED IN ACCORDANCE WITH STANDARD FAA ORDERS AND
REPAIRED ACCORDING TO FAA NORMAL MAINTENANCE AND RESTORATION
SCHEDULES.
FOR EACH RADAR THE AVERAGE HOURLY DATA VOLUME VIA RPCCDS WILL
BE APPROXIMATELY 3.9 MEGABYTES /MB/ AND THE DAILY VOLUME WILL BE
APPROXIMATELY 92.9 MB. WHEN FULLY IMPLEMENTED THE AVERAGE DAILY
VOLUME FOR ALL 45 TDWR RADARS WILL BE 4.1 GIGABYTES /GB/. SINCE
PRODUCTS VIA NOAAPORT ARE FURTHER COMPRESSED...THE ESTIMATED
DAILY VOLUME FOR ALL TDWR SPG PRODUCTS IS 2.4 GB.
ALL OF THE PRODUCTS WILL BE PROVIDED BY THE RPCCDS AND WILL BE
AVAILABLE FROM THE NWS TOC FTP SERVER. EXCEPT FOR STI...HI...
TVS...AND SPD...ALL PRODUCTS WILL BE CARRIED ON NOAAPORT. EVERY
10 SECONDS THE RPCCDS WILL AGGREGATE AND DISSEMINATE BUNDLES OF
RADAR PRODUCTS /BUNDLES WILL INCLUDE BOTH WSR-88D AND TDWR SPG
PRODUCTS/.
TABLE 1: WMO HEADINGS ASSIGNED TO THE TDWR SPG RADAR PRODUCTS
# TTUSII CCCC NNNXXX SPG PRODUCT CODE AND DESCRIPTION
1 NXUS65 KBOU GSMDEN 2 GENERAL STATUS MESSAGE /GSM/
2 NOUS65 KBOU FTMDEN 75 FREE TEXT MESSAGE /FTM/
3 SDUS45 KBOU RSLDEN 152 ARCHIVE STATUS PRODUCT /ASP/
4 SDUS55 KBOU TZLDEN 186 REFLECTIVITY /Z/ - 0.6 DEG. LONG RANGE
5 SDUS55 KBOU TR0DEN 181 REFLECTIVITY /Z/ - BASE ELEVATION
6 SDUS25 KBOU TR1DEN 181 REFLECTIVITY /Z/ - 1.0 DEG. ELEVATION
7 SDUS25 KBOU TR2DEN 181 REFLECTIVITY /Z/ - THIRD ELEVATION
8 SDUS55 KBOU TV0DEN 182 VELOCITY /V/ - BASE ELEVATION
9 SDUS75 KBOU TV1DEN 182 VELOCITY /V/ - 1.0 DEG. ELEVATION
10 SDUS75 KBOU TV2DEN 182 VELOCITY /V/ - THIRD ELEVATION
11 SDUS55 KBOU NCRDEN 37 COMPOSITE REF /CZ/
12 SDUS75 KBOU NETDEN 41 ECHO TOPS /ET/
13 SDUS35 KBOU NVWDEN 48 VAD WIND PROFILE /VWP/
14 SDUS55 KBOU NVLDEN 57 VERT INTEG LIQ /VIL/
15 SDUS65 KBOU NSTDEN 58 STORM TRACKING INFORMATION /STI/
16 SDUS65 KBOU NHIDEN 59 HAIL INDEX /HI/
17 SDUS65 KBOU NTVDEN 61 TORNADIC VORTEX SIGNATURE /TVS/
18 SDUS35 KBOU N1PDEN 78 ONE HOUR PRECIP /OHP/
19 SDUS55 KBOU NTPDEN 80 STORM TOTAL PRECIP /STP/
20 SDUS85 KBOU DPADEN 81 DIGITAL PRECIP ARRAY /DPA/
21 SDUS65 KBOU SPDDEN 82 SUPPLEMENTAL PRECIPITATION DATA /SPD/
22 SDUS55 KBOU DHRDEN 32 DIGITAL HYBRID SCAN REFL /DHR/
23 SDUS55 KBOU DSPDEN 138 DIGITAL STORM TOTAL PRECIP /STP/
24 SDUS35 KBOU NMDDEN 141 MESOCYCLONE /MD/
TABLE 2: WMO HEADING...TDWR SITES
# TTUSI I CCCC NNN XXX TDWR FAA SITE NAME
1 NXUS6 5 KBOU GSM DEN DENVER /DEN/
2 NXUS6 1 KBOX GSM BOS BOSTON /BOS/
3 NXUS6 1 KCLE GSM LVE CLEVELAND OH /CLE/
4 NXUS6 3 KDTX GSM DTW DETROIT /DTW/
5 NXUS6 3 KEAX GSM MCI KANSAS CITY /MCI/
6 NXUS6 2 KFFC GSM ATL ATLANTA /ATL/
7 NXUS6 4 KFWD GSM DAL DALLAS LOVE FIELD /DAL/
8 NXUS6 4 KFWD GSM DFW DALLAS/FT. WORTH /DFW/
9 NXUS6 2 KGSP GSM CLT CHARLOTTE /CLT/
10 NXUS6 4 KHGX GSM HOU HOUSTON HOBBY /HOU/
11 NXUS6 4 KHGX GSM IAH HOUSTON INTERNATIONAL /IAH/
12 NXUS6 3 KICT GSM ICH WICHITA /ICT/
13 NXUS6 1 KILN GSM CMH COLUMBUS OH /CMH/
14 NXUS6 1 KILN GSM CVG COVINGTON /CVG/
15 NXUS6 1 KILN GSM DAY DAYTON /DAY/
16 NXUS6 3 KIND GSM IDS INDIANAPOLIS /IND/
17 NXUS6 4 KLIX GSM MSY NEW ORLEANS /MSY/
18 NXUS6 3 KLMK GSM SDF LOUISVILLE KY /SDF/
19 NXUS6 3 KLOT GSM MDW CHICAGO MIDWAY /MDW/
20 NXUS6 3 KLOT GSM ORD CHICAGO O'HARE /ORD/
21 NXUS6 3 KLSX GSM STL ST. LOUIS /STL/
22 NXUS6 1 KLWX GSM ADW ANDREWS AIR FORCE BASE /ADW/
23 NXUS6 1 KLWX GSD BWI BALTIMORE/WASH /BWI/
24 NXUS6 1 KLWX GSM DCA WASHINGTON NATIONAL /DCA/
25 NXUS6 1 KLWX GSM IAD DULLES /IAD/
26 NXUS6 4 KMEG GSM MEM MEMPHIS /MEM/
27 NXUS6 2 KMFL GSM FLL FORT LAUDERDALE /FLL/
28 NXUS6 2 KMFL GSM MIA MIAMI /MIA/
29 NXUS6 2 KMFL GSM PBI WEST PALM BEACH /PBI/
30 NXUS6 2 KMLB GSM MCO ORLANDO INTERNATIONAL /MCO/
31 NXUS6 3 KMKX GSM MKE MILWAUKEE /MKE/
32 NXUS6 3 KMPX GSM MSP MINNEAPOLIS /MSP/
33 NXUS6 4 KOHX GSM BNA NASHVILLE /BNA/
34 NXUS6 1 KOKX GSM EWR NEWARK /EWR/
35 NXUS6 1 KOKX GSM JFK NEW YORK CITY /JFK/
36 NXUS6 4 KOUN GSM OKC OKLAHOMA CITY /OKC/
37 NXUS6 1 KPBZ GSM PIT PITTSBURGH /PIT/
38 NXUS6 1 KPHI GSM PHL PHILADELPHIA /PHL/
39 NXUS6 5 KPSR GSM PHX PHOENIX /PHX/
40 NXUS6 2 KRAH GSM RDU RALEIGH DURHAM /RDU/
41 NXUS6 5 KSLC GSM SLC SALT LAKE CITY /SLC/
42 NXUS6 2 KTBW GSM TPA TAMPA BAY /TPA/
43 NXUS6 4 KTSA GSM TUL TULSA /TUL/
44 NXUS6 5 KVEF GSM LAS LAS VEGAS /LAS/
45 NXUS6 2 TJSJ GSM SJU SAN JUAN /SJU/
WITHIN THE TOC FTP SERVER...TDWR SPG PRODUCTS WILL BE PLACED
IN SUBDIRECTORIES BELOW THE FOLLOWING DIRECTORY:
FTP://TGFTP.NWS.NOAA.GOV/SL.US008001/DF.OF/DC.RADAR/
PRODUCT FILES WILL BE PLACED IN SITE NAMED SUBDIRECTORIES AS
LISTED IN TABLE 4 BENEATH THE PRODUCT NAMED SUBDIRECTORIES LISTED
IN TABLE 3. NOTE THAT TDWR SITE NAMED DIRECTORIES ARE EASILY
IDENTIFIED BY THE T PREFIX TO THE XXX SPG SITE ID.
FOR SPG PRODUCTS WHICH HAVE A WSR-88D COUNTERPART... PRODUCTS WILL
BE PLACED IN TDWR SPG SITE NAMED SUBDIRECTORIES BENEATH EXISTING
WSR-88D PRODUCT NAMED DIRECTORIES. ERRONEOUS WSR-88D PRODUCT NAMED
SUBDIRECTORIES WILL BE CORRECTED BY THE TECHNOLOGY REFRESHED RPCCDS
/E.G. DS.00NMD BECOMES DS.141MD/. WITHIN EACH SITE NAMED
SUBDIRECTORY...RADAR PRODUCT FILES FOR THE CURRENT VOLUME SCAN AND
THE PREVIOUS 250 VOLUME SCANS WILL BE STORED. THE FILES IN EACH
RADAR SITE SUBDIRECTORY WILL BE SEQUENTIALLY NAMED SN.0000 THROUGH
SN.0250...AND SN.LAST. EACH VOLUME SCAN...NEW FILES WILL BE WRITTEN
TO THE CURRENT FILE NAME SN.LAST AND THE NEXT SEQUENTIALLY NUMBERED
FILE...OVERWRITING THE FILE CORRESPONDING TO THE PREVIOUSLY CURRENT
PRODUCT AND THE OLDEST FILE IN THE DIRECTORY /USE LOWER CASE LETTERS
FOR ALL FILE NAMES/. THE RESIDENCE TIME OF TDWR SPG FILES WILL BE
APPROXIMATELY ONE DAY.
TABLE 3: TOC FTP DIRECTORIES ASSIGNED THE TDWR SPG PRODUCTS
# DIRECTORY SPG PRODUCT CODE AND DESCRIPTION
1 /DS.P2GSM/ 2 GENERAL STATUS MESSAGE /GSM/
2 /DS.75FTM/ 75 FREE TEXT MESSAGE /FTM/
3 /DS.152RS/ 152 ARCHIVE STATUS PRODUCT /ASP/
4 /DS.186ZL/ 186 REFLECTIVITY /Z/ - 0.6 DEG. LONG RANGE
5 /DS.181R0/ 181 REFLECTIVITY /Z/ - BASE ELEVATION
6 /DS.181R1/ 181 REFLECTIVITY /Z/ - 1.0 DEG. ELEVATION
7 /DS.181R2/ 181 REFLECTIVITY /Z/ - THIRD ELEVATION
8 /DS.182V0/ 182 VELOCITY /V/ - BASE ELEVATION
9 /DS.182V1/ 182 VELOCITY /V/ - 1.0 DEG. ELEVATION
10 /DS.182V2/ 182 VELOCITY /V/ - THIRD ELEVATION
11 /DS.P37CR/ 37 COMPOSITE REF /CZ/
12 /DS.P41ET/ 41 ECHO TOPS /ET/
13 /DS.48VWP/ 48 VAD WIND PROFILE /VWP/
14 /DS.57VIL/ 57 VERT INTEG LIQ /VIL/
15 /DS.58STI/ 58 STORM TRACKING INFORMATION /STI/
16 /DS.P59HI/ 59 HAIL INDEX /HI/
17 /DS.61TVS/ 61 TORNADIC VORTEX SIGNATURE /TVS/
18 /DS.78OHP/ 78 ONE HOUR PRECIP /OHP/
19 /DS.80STP/ 80 STORM TOTAL PRECIP /STP/
20 /DS.81DPR/ 81 DIGITAL PRECIP ARRAY /DPA/
21 /DS.82SPD/ 82 SUPPLEMENTAL PRECIPITATION DATA /SPD/
22 /DS.32DHR/ 32 DIGITAL HYBRID SCAN REFL /DHR/
23 /DS.138DP/ 138 DIGITAL STORM TOTAL PRECIP /STP/
24 /DS.141MD/ 141 MESOCYCLONE /MD/
TABLE 4: TOC FTP DIRECTORIES ASSIGNED THE TDWR SPG SITES
# DIRECTORY SPG ID TDWR FAA SITE NAME
1 /SI.TDEN/ 3013 DENVER /DEN/
2 /SI.TBOS/ 3004 BOSTON /BOS/
3 /SI.TLVE/ 3006 CLEVELAND OH /CLE/
4 /SI.TDTW/ 3015 DETROIT /DTW/
5 /SI.TMCI/ 3025 KANSAS CITY /MCI/
6 /SI.TATL/ 3002 ATLANTA /ATL/
7 /SI.TDAL/ 3010 DALLAS LOVE FIELD /DAL/
8 /SI.TDFW/ 3014 DALLAS/FT. WORTH /DFW/
9 /SI.TCLT/ 3007 CHARLOTTE /CLT/
10 /SI.THOU/ 3018 HOUSTON HOBBY /HOU/
11 /SI.TIAH/ 3020 HOUSTON INTERNATIONAL /IAH/
12 /SI.TICH/ 3021 WICHITA /ICT/
13 /SI.TCMH/ 3008 COLUMBUS OH /CMH/
14 /SI.TCVG/ 3009 COVINGTON /CVG/
15 /SI.TDAY/ 3011 DAYTON /DAY/
16 /SI.TIDS/ 3022 INDIANAPOLIS /IND/
17 /SI.TMSY/ 3032 NEW ORLEANS /MSY/
18 /SI.TSDF/ 3040 LOUISVILLE KY /SDF/
19 /SI.TMDW/ 3027 CHICAGO MIDWAY /MDW/
20 /SI.TORD/ 3034 CHICAGO O'HARE /ORD/
21 /SI.TSTL/ 3043 ST. LOUIS /STL/
22 /SI.TADW/ 3001 ANDREWS AIR FORCE BASE /ADW/
23 /SI.TBWI/ 3005 BALTIMORE/WASH /BWI/
24 /SI.TDCA/ 3012 WASHINGTON NATIONAL /DCA/
25 /SI.TIAD/ 3019 DULLES /IAD/
26 /SI.TMEM/ 3028 MEMPHIS /MEM/
27 /SI.TFLL/ 3017 FORT LAUDERDALE /FLL/
28 /SI.TMIA/ 3029 MIAMI /MIA/
29 /SI.TPBI/ 3035 WEST PALM BEACH /PBI/
30 /SI.TMKE/ 3030 MILWAUKEE /MKE/
31 /SI.TMCO/ 3026 ORLANDO INTERNATIONAL /MCO/
32 /SI.TMSP/ 3031 MINNEAPOLIS /MSP/
33 /SI.TBNA/ 3003 NASHVILLE /BNA/
34 /SI.TEWR/ 3016 NEWARK /EWR/
35 /SI.TJFK/ 3023 NEW YORK CITY /JFK/
36 /SI.TOKC/ 3033 OKLAHOMA CITY /OKC/
37 /SI.TPIT/ 3038 PITTSBURGH /PIT/
38 /SI.TPHL/ 3036 PHILADELPHIA /PHL/
39 /SI.TPHX/ 3037 PHOENIX /PHX/
40 /SI.TRDU/ 3039 RALEIGH DURHAM /RDU/
41 /SI.TSLC/ 3042 SALT LAKE CITY /SLC/
42 /SI.TTPA/ 3044 TAMPA BAY /TPA/
43 /SI.TTUL/ 3045 TULSA /TUL/
44 /SI.TLAS/ 3024 LAS VEGAS /LAS/
45 /SI.TSJU/ 3041 SAN JUAN /SJU/
THE NWS HAS ESTABLISHED THE FOLLOWING FTP SITE TO PROVIDE PROJECT
PLANS AND STATUS...ADDITIONAL INFORMATION...AND FOR PREVIEWING
SAMPLE TDWR SPG PRODUCTS:
FTP://FTP.ROC.NOAA.GOV/PUB/TDWR_SPG_INFO/
BEGINNING ON A DATE TO BE ANNOUNCED...THE INFORMATION WILL MOVE TO:
HTTP://WWW.ROC.NOAA.GOV/
IF YOU HAVE QUESTIONS ABOUT THE TECHNICAL CONTENT OR GENERATION
OF THESE PRODUCTS...PLEASE CONTACT:
MICHAEL ISTOK
NWS...OFFICE OF SCIENCE AND TECHNOLOGY
SILVER SPRING MARYLAND
301 713 0763 EXT 103
MICHAEL.ISTOK@xxxxxxxx
ALTERNATE
TIM.D.CRUM@xxxxxxxx
IF YOU HAVE QUESTIONS ABOUT THE NOAAPORT ACTIVATION OR DATA FLOW
OF THESE PRODUCTS...PLEASE CONTACT:
BRIAN GOCKEL
NWS...OFFICE OF SCIENCE AND TECHNOLOGY
SILVER SPRING...MARYLAND
301 713 0304 EXT 158
BRIAN.GOCKEL@xxxxxxxx
THE CENTRALLY COLLECTED TDWR SPG PRODUCTS WILL BE ARCHIVED AT THE
NATIONAL CLIMATIC DATA CENTER /NCDC/ JUST AS THE WSR-88D PRODUCTS
ARE. THE INVENTORY OF THE ARCHIVED PRODUCTS WILL BE AT:
HTTP://HURRICANE.NCDC.NOAA.GOV/PLS/PLHAS/HAS.DSSELECT
THE TDWR LEVEL II DATA WILL NOT BE COLLECTED... DISTRIBUTED OR
ARCHIVED AT THIS TIME.
NWS TECHNICAL IMPLEMENTATION NOTICES ARE ONLINE AT /USE LOWER CASE/:
HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM
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