-------- 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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