20001106: Radar test products-ADMIN NOTICE NOUS40 KWBC (fwd)

• To: nws-changes@xxxxxxxxxxxxxxxx
• Subject: 20001106: Radar test products-ADMIN NOTICE NOUS40 KWBC (fwd)
• From: Linda Miller <lmiller@xxxxxxxxxxxxxxxx>
• Date: Mon, 06 Nov 2000 08:55:35 -0700

094
NOUS40 KWBC 061549
FOS/NOAAPORT NOTICE NO. 1822          NOVEMBER 6... 2000

ATTENTION  FAMILY OF SERVICES SUBSCRIBERS/NOAAPORT USERS

SUBJECT    COMPRESSED TEST RADAR PRODUCTS NOW AVAILABLE
           ON NOAAPORT

THIS IS A FOLLOW UP TO FOS/NOAAPORT NOTICE NO. 1708
DATED JUNE 15... 2000.

AFTER THE JANUARY 1... 2001 TERMINATION OF THE NEXRAD
INFORMATION DISSEMINATION SERVICE /NIDS/ AGREEMENT...
THE NWS WILL BEGIN BROADCASTING RADAR PRODUCTS OVER
NOAAPORT WITHOUT DATA ENCRYPTION AND IN A COMPRESSED
FORMAT /COMPRESSION FORMAT DETAILS BELOW/.  TO ALLOW
NOAAPORT USERS TO PREPARE AND TEST THEIR SYSTEMS FOR
THIS CHANGE... NWS HAS BEGUN BROADCASTING OVER NOAAPORT
THE FOLLOWING SIX WSR-88D PRODUCTS FOR LA CROSSE...
WISCONSIN /ARX/ IN THE UNENCRYPTED... COMPRESSED FORMAT

NEXRAD    WMO HEADER     PRODUCT
HEADER
19/R      SDUS53 KARX    BASE REFLECTIVITY - 124 NMI
                         RANGE
          N0RARX         /LOWEST ELEVATION ANGLE/
27/V      SDUS53 KARX    BASE RADIAL VELOCITY - 124 NMI
                         RANGE
          N0VARX         /LOWEST ELEVATION ANGLE/
37/CR     SDUS53 KARX    COMPOSITE REFLECTIVITY - 16
                         LEVELS...
          NCRARX         124 NMI RANGE
56/SRM    SDUS53 KARX    STORM RELATIVE MEAN RADIAL
                         VELOCITY
          N0SARX         /LOWEST ELEVATION ANGLE/
57/VIL    SDUS53 KARX    VERTICAL INTEGRATED LIQUID
          NVLARX
80/STP    SDUS53 KARX    SURFACE RAINFALL ACCUMULATION-
          NTPARX         STORM TOTAL

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 WHAT S 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
END


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