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-------- Original Message --------440 NOUS41 KWBC 161705
PNSWSH TECHNICAL IMPLEMENTATION NOTICE 08-06 NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 1205 EST WED JAN 16 2008TO: SUBSCRIBERS: -FAMILY OF SERVICES -NOAA WEATHER WIRE SERVICE -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK OTHER NWS PARTNERS, USERS AND EMPLOYEES
FROM: PAUL HIRSCHBERG
CHIEF...SCIENCE PLANS BRANCH
OFFICE OF SCIENCE AND TECHNOLOGY /OST/
SUBJECT: STREAMLINED DATA PATHWAY FOR AIR QUALITY FORECAST
GUIDANCE PRODUCTS: EFFECTIVE APRIL 1 2008
EFFECTIVE TUESDAY APRIL 1 2008...WITH THE 1200 COORDINATED UNIVERSAL TIME /UTC/ RUN...THE NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION /NCEP/ WILL STREAMLINE THE DISSEMINATION OF HOURLY AIR QUALITY /AQ/ FORECAST GUIDANCE PRODUCTS WITH AGGREGATED SUPER-HEADED PRODUCTS.
DATAFLOW CHANGES:NCEP WILL STOP SENDING INDIVIDUAL HOURLY AQ GRID FILES FOR OZONE AND SMOKE TO THE TELECOMMUNICATIONS OPERATIONS CENTER /TOC/...NOW POSTED IN THE DIRECTORIES BELOW /USE LOWER CASE LETTERS EXCEPT FOR SL...ST...MT...AND CY/:
SL.US008001/ST.OPNL/MT.CMAQ_CY.06/ SL.US008001/ST.OPNL/MT.CMAQ_CY.12/ DIRECTORY NAME CHANGES:A SECOND COMPONENT OF THIS CHANGE IS TO REVISE THE AQ FORECAST GUIDANCE FILE PATH ON THE NWS FTP SERVER TO THE FOLLOWING ADDRESSES BELOW /USE ALL LOWER CASE LETTERS EXCEPT FOR SL...ST...DF...DC...GT...AND AR/:
SL.US008001/ST.EXPR/DF.GR2/DC.NDGD/GT.AQ/AR.CONUS/DS.OZONE01.BIN SL.US008001/ST.EXPR/DF.GR2/DC.NDGD/GT.AQ/AR.CONUS/DS.OZONE08.BIN SL.US008001/ST.OPNL/DF.GR2/DC.NDGD/GT.AQ/AR.CONUS/DS.OZONE01.BIN SL.US008001/ST.OPNL/DF.GR2/DC.NDGD/GT.AQ/AR.CONUS/DS.OZONE08.BIN SL.US008001/ST.EXPR/DF.GR2/DC.NDGD/GT.AQ/AR.CONUS/DS.SMOKEC01.BIN SL.US008001/ST.EXPR/DF.GR2/DC.NDGD/GT.AQ/AR.CONUS/DS.SMOKES01.BIN SL.US008001/ST.OPNL/DF.GR2/DC.NDGD/GT.AQ/AR.CONUS/DS.SMOKEC01.BIN SL.US008001/ST.OPNL/DF.GR2/DC.NDGD/GT.AQ/AR.CONUS/DS.SMOKES01.BIN IN THE NEW PATH...GT...STANDS FOR GUIDANCE TYPE. REASON FOR CHANGE:FOR THE DATA PATH CHANGE: THE CURRENT DATA PATH INCLUDES EXTRANEOUS STEPS THAT ADD TO THE DELIVERY TIME...DELAYING PRODUCTS PAST THE REQUIRED TIMES OF AVAILABILITY. ALSO BY STREAMLINING THE DATA PATH...POTENTIAL LATENCIES AND POINTS-OF-
FAILURE THAT CAN PREVENT PRODUCT DELIVERY WILL BE ELIMINATED.FOR THE DIRECTORY NAME CHANGES...INTRODUCTION OF...GT...ALIGNS AQ PRODUCTS WITH OTHER PRODUCTS IN THE NATIONAL DIGITAL GUIDANCE DATABASE /NDGD/. THIS NEW PATH WILL ALLOW A CLEARER DISTINCTION BETWEEN AIR QUALITY...GRIDDED MOS PRODUCTS...REAL-TIME MESOSCALE ANALYSIS PRODUCTS...AND PROBABILISTIC SLOSH PRODUCTS IN THE NDGD.
FOR QUESTIONS CONCERNING AIR QUALITY PRODUCTS... PLEASE CONTACT:
PAULA DAVIDSON
OFFICE OF SCIENCE AND TECHNOLOGY
SILVER SPRING MARYLAND
PHONE: 301 713 3557 X171
EMAIL: PAULA.DAVIDSON@xxxxxxxx
FOR QUESTIONS CONCERNING THE DATAFLOW ASPECTS OF THIS
IMPLEMENTATION...EMAIL THE NCEP/NCO/PMB DATAFLOW HELPDESK:
NCEP.PMB.DATAFLOW@xxxxxxxx
NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE ONLINE AT
/USE LOWER CASE LETTERS/:
HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
$$
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