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NOUS40 KWBC 092106
FOS/NOAAPORT NOTICE NO. 1861 JANUARY 9... 2001
ATTENTION FAMILY OF SERVICES SUBSCRIBERS/NOAAPORT USERS
SUBJECT COMPRESSED RADAR PRODUCTS NOW AVAILABLE ON NOAAPORT
THIS IS A FOLLOW UP TO FOS/NOAAPORT NOTICE NO. 1822 DATED
NOVEMBER 6... 2000.
THE NWS HAS NOW BEGUN BROADCASTING RADAR PRODUCTS OVER
NOAAPORT WITHOUT DATA ENCRYPTION AND IN A COMPRESSED
FORMAT /COMPRESSION FORMAT DETAILS BELOW/. THE INITIAL
PRODUCT SET FROM EACH WSR-88D RADAR SITE IS AS FOLLOWS
NEXRAD HEADER WMO HEADER PRODUCT
19/R SDUS5I CCCC BASE REFLECTIVITY - 124 NMI
N0RXXX RANGE
/LOWEST ELEVATION ANGLE/
27/V SDUS5I CCCC BASE RADIAL VELOCITY - 124
N0VXXX NMI RANGE
/LOWEST ELEVATION ANGEL/
37/CR SDUS5I CCCC COMPOSITE REFLECTIVITY -
NCRXXX 16 LEVELS...
124 NMI RANGE
56/SRM SDUS5I CCCC STORM RELATIVE MEAN RADIAL
N0SXXX VELOCITY
/LOWEST ELEVATION ANGLE/
57/VIL SDUS5I CCCC VERTICAL INTEGRATED LIQUID
NVLXXX
80/STP SDUS5I CCCC SURFACE RAINFALL
NTPXXX ACCUMULATION-
STORM TOTAL
NOTE IN THE WMO HEADER I HAS A VALUE 0-9... CCCC IS
THE ORIGINATING SITE IDENTIFIER... AND XXX IS THE
WSR-88D IDENTIFIER.
THE RADAR PRODUCT COMPRESSION ALGORITHM USED IS BASED
ON THE ZLIB COMPRESSION LIBRARIES. THESE LIBRARIES
AND DESCRIPTIONS ARE AVAILABLE AT THE FOLLOWING WEB
ADDRESS
FTP/COLON///FTP.FREESOFTWARE.COM/PUB/INFOZIP/ZLIB
A DOCUMENT DESCRIBING THE RADAR PRODUCT COMPRESSION
APPROACH IS ACCESSIBLE UNDER THE WHATS NEW HEADING
ON THE NOAAPORT HOME PAGE... ADDRESS
HTTP/COLON///WWW.NWS.NOAA.GOV/NOAAPORT/HTML
/NOAAPORT.SHTML
FOR FURTHER INFORMATION CONTACT
MR. MICHAEL CARELLI... NWS NIDS ADMINISTRATOR
AT 301-713-1724 EXT. 184
OR EMAIL MICHAEL.CARELLI/AT SYMBOL/NOAA.GOV
THIS INFORMATION IS ALSO POSTED ON THE NWS SYSTEMS OPERATIONS
CENTER CHANGE NOTICES WEB PAGE. THE URL IS LISTED BELOW.
HTTP//WWW.NWS.NOAA.GOV/OSO/NOTICES/NOTICES.SHTML
DATA MANAGEMENT
DATA DISSEMINATION BRANCH
TELECOMMUNICATION OPERATIONS CENTER
RTH WASHINGTON SENDS
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