Forty-Eight Hour Atmospheric Dispersion Forecasts at Selected Locations in the United States
Roland R. Draxler
NOAA Technical Memorandum ERL ARL-100, April 1981
Abstract - Routine forecasts of atmospheric dispersion up to 48 hours after observation times (00 and 12 GMT) are calculated by combining the techniques of estimating dispersion suggested by Turner (1969) with NOAA numerical weather forecasts of wind direction, wind speed, cloud cover, and ceiling. The variables used to estimate dispersion are part of the routine forecast form the Techniques Development Laboratory's Model Output Statistics available at over 250 stations in the United States twice a day. Concentrations (sec/m3) are calculated for selected sources at eight downwind distances of 0.5 to 100 km.
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