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NOUS41 KWBC 051901
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PUBLIC INFORMATION STATEMENT...SERVICE CHANGE NOTICE 02-38
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
300 PM EDT WED JUN 5 2002
TO: 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: ROBERT E. LIVEZEY
CHIEF...CLIMATE SERVICES DIVISION
SUBJECTS: REVISED 1971-2000 CLIMATE STATION NORMALS FOR ALL
ELEMENTS...EFFECTIVE JULY 1 2002
NATIONAL WEATHER SERVICE /NWS/ WEATHER FORECAST OFFICES /WFO/
WILL USE REVISED 1971-2000 CLIMATE STATION NORMALS FROM THE
NATIONAL CLIMATIC DATA CENTER /NCDC/...EFFECTIVE JULY 1 2002.
THE REVISED DAILY ELEMENTS FOR CLIMATE NORMALS INCLUDE:
PRECIPITATION
COOLING DEGREE DAYS
** HEATING DEGREE DAYS
MAXIMUM TEMPERATURE
MINIMUM TEMPERATURE
MEAN TEMPERATURE
** SNOWFALL
** FOR HEATING DEGREE DAYS AND SNOWFALL...REVISED 1971-2000
NORMALS WILL REPLACE THE OLD 1961-1990 NORMALS. THE 1961-1990
SNOWFALL AND HEATING DEGREE DAY NORMALS ARE STILL BEING USED
THROUGH JUNE 30 2002 TO AVOID DISCONTINUITIES IN DEPARTURES FROM
NORMAL THROUGH THE END OF THE 2001-2002 HEATING AND SNOWFALL
SEASONS.
NCDC MADE REVISIONS TO THE 1971-2000 DAILY NORMALS IN ORDER TO
ASSURE CONSISTENCY BETWEEN DAILY...MONTHLY...AND ANNUAL VALUES...
PARTICULARLY FOR DEGREE DAYS. THE REVISIONS ALSO ASSURE A SMOOTH
DAY-TO-DAY CHANGE IN DAILY VALUES. IN MEETING THESE
OBJECTIVES...A LIMITED NUMBER OF MONTHLY VALUES OF COOLING DEGREE
DAYS AND PRECIPITATION /DIFFERENCES NOT EXCEEDING 0.01 INCH IN
ANY GIVEN MONTH/ WERE ALSO CHANGED.
NCDC HAS DOCUMENTED THESE CHANGES IN A LIST BY STATION...
ELEMENT...AND MONTH OF OCCURRENCE AT THE FOLLOWING INTERNET
LOCATION /USE LOWER CASE/:
HTTP://LWF.NCDC.NOAA.GOV/OA/CLIMATE/NORMALS/NWSUPDATE.TXT
FOR STATIONS NOT ON THE LIST...NO MONTHLY NORMALS OR ACCUMULATED
/SEASONAL AND ANNUAL/ DEPARTURES FROM NORMAL TO DATE ARE
IMPACTED. EVEN FOR STATIONS ON THE LIST...THERE IS NO IMPACT ON
MONTHLY TEMPERATURE NORMALS OR ACCUMULATED /SEASONAL AND ANNUAL/
TEMPERATURE DEPARTURES FROM NORMAL TO DATE.
THE FIRST DAILY CLIMATE REPORTS WITH THE REVISED 1971-2000 NCDC
NORMALS WILL BE ISSUED BY WFOS IN THE LATE AFTERNOON OR EARLY
EVENING OF JULY 1 2002. THE FIRST MONTHLY CLIMATE REPORTS
REFLECTING THE NEW HEATING DEGREE DAY AND SNOWFALL NORMALS WILL
WILL BE ISSUED BY WFOS ON AUGUST 1 2002 /FOR JULY/.
SPECIFICALLY...THIS AFFECTS INFORMATION IN THE FOLLOWING PRODUCT
WMO HEADINGS AND AWIPS IDS ISSUED BY ALL WFOS:
GENERIC WMO GENERIC PRODUCT TITLE
HEADING AWIPS ID
CDAA4I CCCC CLIXXX CLIMATOLOGICAL REPORT /DAILY/
CXAA5I CCCC CLMXXX CLIMATOLOGICAL REPORT /MONTHLY/
KEY TO GENERIC WMO HEADING FOR AA...I AND CCCC AND GENERIC AWIPS
ID FOR XXX:
AA = US /CONUS/...AK /ALASKA/...HW /HAWAII/...CA /PUERTO RICO/
KA /MICRONESIA/PALAU/...GM /GUAM/...MH /MARSHALL ISLANDS/
I = AREA OF COUNTRY OF ISSUING WFO STATES OR TERRITORIES
0 - PACIFIC HI GU FM MH PW
1 - NORTH EAST U.S. NH RI CT NJ MD DC DE
VA NY MA VT OH PA ME WV
2 - SOUTH EAST U.S. AND PUERTO RICO SC GA NC FL PR VI
3 - NORTH CENTRAL U.S. SD MI WI ND KS MN IA
MO NE IL IN KY
4 - SOUTH CENTRAL U.S. TX AL MS LA AR TN OK
5 - ROCKY MOUNTAINS NM MT ID CO WY AZ NV UT
6 - WEST COAST U.S. CA OR WA
7 - SOUTHEAST ALASKA AREA - JUNEAU
8 - NORTH CENTRAL PACIFIC AREA OF ALASKA - ANCHORAGE
9 - NORTHERN ALASKA - FAIRBANKS
CCCC = SITE ID FOR ISSUING WFO
XXX = SITE ID OF WEATHER OBSERVATION STATION
INFORMATION ON NCDC NORMALS CAN BE FOUND AT:
HTTP://LWF.NCDC.NOAA.GOV/OA/CLIMATE/NORMALS/USNORMALS.HTML
LEGALLY CERTIFIED VERSIONS OF THE REVISED 1971-2000 STATION
NORMALS ARE AVAILABLE FROM NCDC IN DIGITAL AND HARDCOPY FORM.
CLIMATE INFORMATION FROM WFOS ARE UNOFFICIAL AND FOR INFORMAL USE
ONLY.
QUESTIONS ON STATISTICAL METHODS FOR CALCULATING NCDC NORMALS
SHOULD BE ADDRESSED TO NCDC:
CLIMATE SERVICES BRANCH
NATIONAL CLIMATIC DATA CENTER
ROOM 468
151 PATTON AVENUE
ASHEVILLE NC 28801-5001
TELEPHONE: 828-271-4800
FACSIMILE: 828-271-4876
E-MAIL: NCDC.INFO@xxxxxxxx
TO ORDER NCDC CLIMATE NORMALS FOR STATIONS OF INTEREST...GO TO
/USE LOWER CASE/:
HTTP://LWF.NCDC.NOAA.GOV/OA/ABOUT/NCDCORDERING.HTML
ALSO...ORDERS CAN BE MADE BY CALLING THE TELEPHONE NUMBER ABOVE
...WRITING TO THE ADDRESS ABOVE...OR E-MAILING
NCDC.ORDERS@xxxxxxxx
IF YOU HAVE SERVICE RELATED QUESTIONS PRODUCTS AS ISSUED ON NWS
COMMUNICATIONS SYSTEMS...YOU MAY CONTACT
RON BERGER
NOAA/NWS; W/OS4
1325 EAST WEST HWY
SILVER SPRING MD 20910-3283
PHONE: /301/ 713-1970 EXT 178
E-MAIL: MYRON.BERGER@xxxxxxxx
THIS NOTICE AND OTHER SERVICE CHANGE NOTICES CAN BE FOUND ON THE
INTERNET AT /USE LOWER CASE/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
END
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