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-------- Original Message --------341 NOUS41 KWBC 121551
PNSWSHTECHNICAL IMPLEMENTATION NOTICE 08-92 NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 1050 AM EST WED NOV 12 2008
TO: SUBSCRIBERS: -FAMILY OF SERVICES -NOAAPORT -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK OTHER NWS PARTNERS...USERS AND EMPLOYEES FROM: JASON TUELL CHIEF...SCIENCE PLANS BRANCH OFFICE OF SCIENCE AND TECHNOLOGY SUBJECT: ADDITION OF NCEP NAM-BASED OCONUS-AREA DNG GRIDS TO NOAAPORT: EFFECTIVE JANUARY 28 2009EFFECTIVE WEDNESDAY JANUARY 28 2009...WITH THE 1200 COORDINATED UNIVERSAL TIME /UTC/ DISTRIBUTION...NEW NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION /NCEP/ DOWNSCALED NUMERICAL GUIDANCE /DNG/ PRODUCTS...BASED ON THE NORTH AMERICAN MESOSCALE /NAM/ MODEL...WILL BE ADDED TO THE NOAAPORT TG2 CHANNEL. THESE NEW PRODUCTS CONSIST OF A SET OF SENSIBLE HYDROMETEOROLOGICAL PARAMETERS. THE PRODUCTS COVER THREE OFF-CONUS AREAS: ALASKA...HAWAII AND PUERTO RICO. THE PRODUCT FORMAT IS GRIB2.
THE DNG PRODUCT SET CONSISTS OF SEVERAL SENSIBLE HYDROMETEOROLOGICAL ELEMENTS AT 3 HOUR FORECAST INTERVALS FROM 00 TO 84 HOURS. THERE WILL BE 4 PRODUCT DISTRIBUTIONS PER DAY CORRESPONDING TO THE 00...06...12 AND 18 UTC NAM MODEL RUNS.
THE DNG HYDROMETEOROLOGICAL ELEMENTS ARE:- SURFACE TEMPERATURE AND DEW POINT TEMPERATURE - 3 AND 12 HOUR MAXIMUM AND MINIMUM TEMPERATURE
- 3 AND 12-HOUR MAXIMUM AND MINIMUM RELATIVE HUMIDITY - TRANSPORT WIND SPEED AND DIRECTION...AND WIND GUST SPEED - U AND V COMPONENTS OF SURFACE WIND- CLOUD COVER - 3...6...AND 12 HOUR PROBABILITY OF PRECIPITATION
- 3...6...AND 12 HOUR QUANTITATIVE PRECIPITATION FORECAST - 3 AND 6 HOUR SNOWFALL DEPTH - WET BULB ZERO HEIGHT /SNOW LEVEL HEIGHT/ - PLANETARY BOUNDARY LAYER HEIGHT /MIXING HEIGHT/ - VISIBILITYTHE PER CYCLE DATA VOLUME WILL BE APPROXIMATELY 75 MEGABYTES /MB/ OR APPROXIMATELY 300 MB PER DAY.
THE WMO HEADINGS FOR THESE PRODUCTS WILL BE OF THE GENERAL FORM: T1: DATA FORMAT OF GRIB2 /L OR M/ T2: PARAMETER CODE /ONE OF ADEHKRSTUV/ A1: GRID CODE /A FOR ALASKA...H FOR HAWAII AND C FOR PUERTORICO/ A2: FORECAST TIME /ONE OF ABCDEFGHIJKL FOR T1=L OR
BEHKLMNOPQRSTZ FOR T1=M/II: LAYER OR LEVEL /98 FOR SURFACE OR 86 FOR HEIGHT OF BOUNDARY LAYER OR 00 HEIGHT /WHERE WET BULB TEMPERATURE IS ZERO/ CCCC: KWBE FOR A COMPLETE LISTING OF ALL DNG WMO HEADINGS...PLEASE REFER TO THE FOLLOWING WEB PAGE /USE LOWER CASE/:
HTTP://WWW.WEATHER.GOV/OS/NOTIFICATION/RESOURCES/DNG_WMO.PDFFOR QUESTIONS CONCERNING THE TECHNICAL DETAILS OF THESE PRODUCTS...PLEASE CONTACT:
GEOFF MANIKIN NCEP/EMC...MESOSCALE MODELING BRANCH CAMP SPRINGS MARYLAND 301-763-8000 EXT 7263 GEOFFREY.MANIKIN@xxxxxxxx OR JEFF WALDSTREICHER NWS EASTERN REGION SCIENTIFIC SERVICES DIVISION BOHEMIA NEW YORK 631-244-0131JEFF.WALDSTREICHER@xxxxxxxx FOR QUESTIONS CONCERNING THE NOAAPORT ACTIVATION AND DISSEMINATION OF THESE PRODUCTS...PLEASE CONTACT:
BRIAN GOCKEL NWS...OFFICE OF SCIENCE AND TECHNOLOGY SILVER SPRING MARYLAND 301-713-0304 EXT 158 BRIAN.GOCKEL@xxxxxxxx
TECHNICAL IMPLEMENTATION NOTICES ARE ONLINE AT /USE LOWER CASE/:
HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM $$ NNNN
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