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-------- Original Message --------439 NOUS41 KWBC 071751
PNSWSH TECHNICAL IMPLEMENTATION NOTICE 07-16 NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 152 PM EST WED MAR 7 2007TO: FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER
WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS
WEATHER INFORMATION NETWORK /EMWIN/ SUBSCRIBERS...
NOAAPORT SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE
/NWS/ CUSTOMERS AND PARTNERS...NWS EMPLOYEES
FROM: JIM OSULLIVAN
ACTING CHIEF... OBSERVING SERVICES DIVISION
OFFICE OF CLIMATE, WATER, AND WEATHER SERVICES
SUBJECT: FY 2007 SCHEDULE OF RADIOSONDE REPLACEMENT SYSTEM
/RRS/ IMPLEMENTATION WITH TERMINATION OF OPERATIONS OF
RADIOTHEODOLITE TRACKING /ART/ AND RADIO DIRECTION
FINDING RADIOSONDES
THIS FISCAL YEAR NWS WILL TERMINATE UPPER AIR OBSERVATIONS FROM RADIO DIRECTION FINDING RADIOSONDES AND AUTOMATED RADIOTHEODOLITE TRACKING AT 13 SITES LISTED BELOW ON OR ABOUT THE DATES INDICATED.
SID STATION NAME OUTAGE DATE 72210 TAMPA BAY FL 12 MAR 2007 72426 WILMINGTON OH 26 MAR 200772202 MIAMI FL 23 APR 2007 72327 NASHVILLE TN 07 MAY 2007 74389 TUCSON AZ 22 MAY 2007 72582 ELKO NV 04 JUN 2007 72694 SALEM OR 18 JUN 2007
SID STATION NAME OUTAGE DATE72768 GLASGOW MT 02 JUL 2007 74560 LINCOLN IL 16 JUL 2007 72440 SPRINGFIELD MO 30 JUL 2007 72634 GAYLORD MI 13 AUG 2007 72562 NORTH PLATTE NE 28 AUG 2007 72558 VALLEY NE 08 SEP 2007 NWS UPPER AIR OBSERVATIONS WILL RESUME APPROXIMATELY 2 WEEKS LATER. NWS WILL USE THE RRS WITH GLOBAL POSITIONING SYSTEM /GPS/ RADIOSONDES. EACH OF THESE SITES WILL BE OUT OF SERVICE FOR UP TO 2 WEEKS. WHEN RESTORED PARTS OF THE UPPER AIR CODED MESSAGES WILL BE SIGNIFICANTLY LONGER.
NWS HAS COORDINATED WITH ITS PARTNERS ON THE LONGER LENGTH OF THESE MESSAGES.
THE FORMAT OF THE MESSAGES WILL BE THE SAME WMO FORMAT FOR CODED UPPER AIR MESSAGES IN USE WITH THE MICROART LEGACY SYSTEM. THE NUMBER OF LEVELS IN THE CODED MESSAGES WILL BE TWO TO THREE TIMES GREATER FOR THE TTBB AND TTDD. AS A RESULT TWO CATEGORIES OF AWIPS TEXT PRODUCTS WILL INCREASE IN SIZE: SGL AND ABV. THE NUMBER OF LEVELS IN THE TTAA...TTCC...PPBB AND PPDD PARTS WILL BE RELATIVELY UNCHANGED. THESE CHANGES REFLECT UPDATED CODING PRACTICES AND HIGHER RESOLUTION LEVEL SELECTION CRITERIA. THE MAXIMUM SIZE LIMITS OF THE PARTS OF THE CODED MESSAGES ARE AS FOLLOWS: TTAA: 15 LEVELS TTCC: 10 LEVELS TTBB: 135 LEVELS TTDD: 40 LEVELS PPBB: 40 LEVELS PPDD: 40 LEVELS IN ADDITION THE 31313 MESSAGE INDICATOR ASSOCIATED WITH VARIOUS PARTS OF THE MESSAGE WILL BE INCLUDED WITH EACH PART OF THE THERMODYNAMIC MESSAGE PARTS. FOR ADDITIONAL INFORMATION ON THE MESSAGE REQUIREMENTS...REFERENCE WMO 306...MANUAL ON CODES... INTERNATIONAL CODES...VOLUME 1.1 PART A-ALPHANUMERIC CODES... AND WMO 306...MANUAL ON CODES...REGIONAL CODES AND NATIONAL CODING PRACTICES...VOLUME II. USERS CAN FIND INFORMATION ON THE LEVELS SELECTION CRITERIA USED IN NWS CODING SOFTWARE ONLINE AT /USE LOWERCASE LETTERS/:
HTTP://WWW.UA.NWS.NOAA.GOV
IF YOU HAVE QUESTIONS OR FEEDBACK...PLEASE CONTACT:
DOMINIC BOSCO
NATIONAL WEATHER SERVICE / OPS11
1325 EAST WEST HIGHWAY
SILVER SPRING MARYLAND 20910
PHONE: 301-713-1841 EXT. 123
E-MAIL: DOMINIC.BOSCO@xxxxxxxx
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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