NAM AIR QUALITY DIAGNOSTIC DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
1018 AM EDT TUE AUG 23 2011
 

*** The following information pertains to initialization errors
noted on the 12Z NAM that may negatively impact the performance of
the 12Z CMAQ output as used for air quality forecasting.
Specifically, errors that apply to temperature, winds, relative
humidity and precipitation are included. This discussion only
applies to geographical regions of the CONUS where air quality is
currently forecast to be degraded (i.e. CODES:
YELLOW/ORANGE/RED/PURPLE/MAROON). ***


...CALIFORNIA...

THERE WERE NO SIGNIFICANT INITIALIZATION ERRORS NOTED WITH THE NAM
OVER THIS REGION.

...SOUTHEAST...

THERE WERE NO SIGNIFICANT INITIALIZATION ERRORS NOTED WITH THE NAM
OVER THIS REGION.

VOJTESAK