[nws-changes] 20100407: tropical cyclone surface wind speed-Fwd: ADMIN NOTICE NOUS41 KWBC]

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-------- Original Message --------
848 NOUS41 KWBC 071144 
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 10-16
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
743 PM EDT WED APR 7 2010

TO:      SUBSCRIBERS:
        -FAMILY OF SERVICES
        -NOAA WEATHER WIRE SERVICE
        -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
-NOAAPORT OTHER NWS PARTNERS...AND NWS EMPLOYEES 

FROM:    THERESE Z. PIERCE
        MARINE AND COASTAL SERVICES BRANCH CHIEF

SUBJECT: TROPICAL CYCLONE SURFACE WIND SPEED PROBABILITY
        ELEMENTS FOR THE NORTH PACIFIC OCEAN BECOME
        OPERATIONAL IN THE NATIONAL DIGITAL FORECAST
        DATABASE: EFFECTIVE MAY 13 2010
THE TROPICAL CYCLONE SURFACE WIND SPEED PROBABILITY /TCSWSP/ ELEMENTS FOR THE NORTH PACIFIC OCEAN WILL BE PROVIDED AS OPERATIONAL PRODUCTS FOR THE NATIONAL DIGITAL FORECAST DATABASE /NDFD/ AS OF THURSDAY MAY 13 2010 AT 1500 COORDINATED UNIVERSAL TIME /UTC/. THE ELEMENTS WERE PROVIDED ON AN EXPERIMENTAL BASIS IN 2008 AND 2009. THE ELEMENTS ARE AVAILABLE THROUGH 120 HOURS AT 6 HOURLY INTERVALS AT A 10 KILOMETER SPATIAL RESOLUTION. THE FORECASTS ARE PROVIDED FOR THREE WIND SPEED THRESHOLDS: 34...50...AND 64 KNOTS. TWO TYPES OF WIND SPEED PROBABILITIES ARE PROVIDED: CUMULATIVE AND INCREMENTAL. THIS CHANGE EXPANDS THE NDFD AREAL COVERAGE OF THE TCSWSP ELEMENTS TO INCLUDE ALL OF THE EASTERN...CENTRAL AND WESTERN PACIFIC OCEAN...NORTH OF THE EQUATOR.
DEFINITIONS OF THE PROBABILITY TYPES ARE AVAILABLE ON THE NATIONAL HURRICANE CENTER WEB PAGE AT /USE LOWERCASE/: 

 HTTP://WWW.NHC.NOAA.GOV/ABOUTNHCPROBS.SHTML

AND IN THE LIST OF NDFD ELEMENT DEFINITIONS AT /USE LOWERCASE/:

 HTTP://WWW.NWS.NOAA.GOV/NDFD/DEFINITIONS.HTM
GENERAL INFORMATION ON OPTIONS FOR ACCESSING AND USING THE NDFD IS AVAILABLE AT /USER LOWERCASE/: 

 HTTP://NDFD.WEATHER.GOV/TECHNICAL.HTM
THIS CHANGE PRIMARILY AFFECTS USERS WHO PULL THESE ELEMENTS IN GRIDDED BINARY /GRIB2/ FORMAT FROM THE NWS FILE TRANSFER PROTOCOL /FTP/ SERVER...EITHER VIA THE INTERNET OR THE FAMILY OF SERVICES /FOS/ SERVER ACCESS SERVICE...AND USERS WHO PULL HTML FILES FROM THE NWS HYPERTEXT TRANSFER PROTOCOL /HTTP/ SERVER. THESE USERS WILL NEED TO PULL THESE ELEMENTS FOR THE DOMAINS OF INTEREST FROM A DIFFERENT UNIFORM RESOURCE LOCATOR /URL/ AND MAY NEED TO UPDATE PROCEDURES AND SCRIPTS TO ENSURE CONTINUED RECEIPT OF THE DATA.
DETAILS REGARDING THIS IMPLEMENTATION...INCLUDING SPECIFIC INFORMATION FOR HTTP AND FTP USERS...AND DETAILS FOR USERS WHO USE THE WORLD METEOROLOGICAL ORGANIZATION /WMO/ SUPER HEADINGS TO ACCESS NDFD ELEMENTS /THE LIST OF SUPER HEADINGS FOR THE PROBABILITY ELEMENTS HAS NOT CHANGED/...ARE PROVIDED AT /USE LOWERCASE/: 

 HTTP://WWW.WEATHER.GOV/OM/NOTIFICATION/RESOURCES/PTWS_PAC.HTM
USERS OF THE NDFD IN EXTENSIBLE MARKUP LANGUAGE /XML/ VIA SIMPLE OBJECT ACCESS PROTOCOL /SOAP/ ARE NOT DIRECTLY IMPACTED BY THIS IMPLEMENTATION. THESE USERS CAN CONTINUE TO ACQUIRE THESE ELEMENTS FOR THE DOMAINS OF INTEREST. FOR XML USERS THERE IS NO DISTINCTION IN THE DATA BETWEEN EXPERIMENTAL AND OPERATIONAL ELEMENTS.
USERS WHO VIEW THE ONLINE NDFD GRAPHICS VIA WEB BROWSER ARE NOT DIRECTLY IMPACTED BY THIS IMPLEMENTATION. GRAPHICAL VERSIONS OF THE PRODUCTS FOR THE NORTH PACIFIC OCEAN DOMAIN...THE GUAM NDFD SUBSECTOR...AND THE HAWAII NDFD SUBSECTOR...ARE PROVIDED ONLINE...RESPECTIVELY...AT /USE LOWERCASE EXCEPT FOR THE LETTERS T AND D IN THE TROPICALDAY STRING/: 

HTTP://WWW.WEATHER.GOV/FORECASTS/GRAPHICAL/SECTORS/NPACOCNTROPIC
ALDAY.PHP 
HTTP://WWW.WEATHER.GOV/FORECASTS/GRAPHICAL/SECTORS/GUAMTROPICALD
AY.PHP

HTTP://WWW.WEATHER.GOV/FORECASTS/GRAPHICAL/SECTORS/HAWAIITROPICA
LDAY.PHP
IF MAY 13 2010 IS DECLARED A CRITICAL WEATHER DAY BY THE NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION...THIS IMPLEMENTATION WILL BE POSTPONED. USERS WILL BE NOTIFIED OF THAT DECISION VIA ANOTHER TECHNICAL IMPLEMENTATION NOTICE /TIN/ AND A NEW IMPLEMENTATION DATE WILL BE ESTABLISHED. 

IF YOU HAVE QUESTIONS REGARDING THIS NOTICE...PLEASE CONTACT:

    TIMOTHY SCHOTT
    METEOROLOGIST
    NATIONAL WEATHER SERVICE
    MARINE AND COASTAL SERVICES BRANCH
    1325 EAST WEST HIGHWAY
    SILVER SPRING MARYLAND 20910
    TELEPHONE: 301-713-1677 X122
    EMAIL: TIMOTHY.SCHOTT@xxxxxxxx
IF YOU HAVE TECHNICAL QUESTIONS REGARDING THE NDFD DATA...PLEASE CONTACT: 

    DAVID RUTH
    CHIEF...MESOSCALE PREDICTION BRANCH
    NATIONAL WEATHER SERVICE
    OFFICE OF SCIENCE AND TECHNOLOGY
    SILVER SPRING MARYLAND 20910
    301-713-1768 X157
    DAVID.RUTH@xxxxxxxx
TECHNICAL IMPLEMENTATION NOTICES SPECIFICALLY RELATED TO THE NDFD ARE AVAILABLE ONLINE AT /USE LOWERCASE/: 

 HTTP://WWW.WEATHER.GOV/NDFD/TINS.HTM
NATIONAL TECHNICAL IMPLEMENTATION NOTICES ARE ONLINE AT /USE LOWERCASE/: 

 HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM

$$
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