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Technical Implementation Notice 10-49

National Weather Service Headquarters Washington DC

727 AM EDT Thu Oct 7 2010

 

To:       Subscribers:

          -Family of Services

          -NOAA Weather Wire Service

          -Emergency Managers Weather Information Network

          -NOAAPORT

          Other NWS partners and employees

 

From:     Timothy McClung

          Chief, Science Plans Branch

          Office of Science and Technology

 

Subject:  Upgrade of the NCEP Air Quality Forecast System

          Effective December 21, 2010

 

Effective Tuesday, December 21, 2010 at 1200 coordinated

Universal Time (UTC), the National Centers for Environmental Prediction (NCEP) will upgrade the Ozone Model run in its operational production suite. This upgrade will provide the following changes to this system:

 

- Expand the operational ozone prediction products to add

  maximum 1 hour average and maximum 8 hour average ozone

  for the first day of prediction for CONUS

 

Once operational, the output from this enhanced processing

will be available from the NWS National Digital Guidance

Database (NDGD) server at:

 

ftp://tgftp.nws.noaa.gov/SL.us008001/ST.opnl/DF.gr2/DC.ndgd/GT.aq/AR.conus/

 

Maximum 1 hour average and maximum 8 hour average ozone

for the first day of prediction for CONUS are currently

generated twice per day at NCEP.  These data can be obtained

from the experimental NDGD server at:

 

ftp://tgftp.nws.noaa.gov/SL.us008001/ST.expr/DF.gr2/DC.ndgd/GT.aq/AR.conus/

 

More information on NCEP model changes can be found at:

 

  http://www.nco.ncep.noaa.gov/pmb/changes/

 

For questions concerning EMC issues, please contact:

 

  Jeff McQueen 

  NCEP, Environmental Modeling Center

  Camp Springs , MD

  301 763 8000 X 7226

  jeff.mcqueen@noaa.gov

 

For other questions concerning these changes, contact:

 

  Rebecca Cosgrove

  NCEP, Production Management Branch

  Camp Springs , MD

  301 763 8000 X7148

  rebecca.cosgrove@noaa.gov

 

NWS National Technical Implementation Notices are online at: 

 

  http://www.weather.gov/os/notif.htm

 

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