20070614: new hurricane model-HWRF-Fwd: ADMIN NOTICE NOUS41 KWBC]

[Linda Miller]

-------- Original Message --------

709 
NOUS41 KWBC 141245
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 07-40
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
845 AM EDT THU JUN 14 2007

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:     PAUL HIRSCHBERG
          CHIEF...SCIENCE PLANS BRANCH
          OFFICE OF SCIENCE AND TECHNOLOGY /OST/

SUBJECT:  NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION /NCEP/
          TO IMPLEMENT HURRICANE WEATHER RESEARCH AND FORECAST 
    /HWRF/ MODEL: EFFECTIVE JUNE 19 2007 

EFFECTIVE TUESDAY JUNE 19 2007...BEGINNING WITH THE 1200 
COORDINATED UNIVERSAL TIME /UTC/ RUN...NCEP WILL BEGIN RUNNING A 
NEW HURRICANE MODEL...THE HWRF SYSTEM...IN ADDITION TO THE 
GEOPHYSICAL FLUID DYNAMICS LABORATORY /GFDL/ HURRICANE MODEL.

THE HWRF IS THE NOAA NEXT GENERATION OPERATIONAL HURRICANE 
FORECAST SYSTEM. IT HAS BEEN DEVELOPED TO PROVIDE ADVANCED 
HURRICANE GUIDANCE TO THE NATIONAL HURRICANE CENTER /NHC/ AT THE 
TROPICAL PREDICTION CENTER /TPC/.  IT WILL PROVIDE FOR CONTINUED 
IMPROVEMENT OF TRACK FORECASTS AND IMPROVED FORECASTS OF 
INTENSITY AND STRUCTURE FORECASTS.  

THE CODING INFRASTRUCTURE OF THE HWRF FOLLOWS THE 2000 NWS 
STRATEGIC PLAN WHICH CALLED FOR THE USE OF A COMMUNITY MODEL - 
I.E. THE WEATHER RESEARCH AND FORECASTING /WRF/ MODELING 
INFRASTRUCTURE.  THE HWRF SHARES THE SAME DYNAMIC CORE AS THE 
NCEP MIDLATITUDE MESOSCALE WRF BASED SYSTEM...THE NORTH AMERICAN 
MODEL /NAM/...BUT IS SPECIFICALLY DESIGNED FOR THE HURRICANE 
PROBLEM TO INCLUDE AN ADVANCED ANALYSES OF THE HURRICANE CORE 
CIRCULATION...A MOVABLE NESTED GRID CONFIGURATION SIMILAR TO THE 
GFDL MODEL AND COUPLING TO THE OCEAN.  

ON THE ABOVE IMPLEMENTATION DATE NCEP CENTRAL OPERATIONS WILL 
BEGIN TO PROVIDE OUTPUT FROM THE HWRF MODEL ON ITS FTP SERVER.  
USERS MAY ACCESS THESE DATA FROM THE LINK BELOW /USE LOWER CASE 
LETTERS/:

FTP://FTPPRD.NCEP.NOAA.GOV/PUB/DATA/COM/HUR/PROD/HWRF.YYYYMMDD

IF YOU HAVE ANY QUESTIONS OR COMMENTS...PLEASE CONTACT:
 
     NAOMI SURGI 
     NCEP...ENVIRONMENTAL MODELING CENTER  
     CAMP SPRINGS MARYLAND  
     PHONE: 301 763 8000 X7285  
     EMAIL: NAOMI.SURGI at NOAA.GOV

THIS AND OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE 
ONLINE AT /USE LOWER CASE LETTERS/:

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

$$



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