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Properties of The Convection Scheme In Ncep's ETA Model That Affect Forecast Sounding Interpretation

Abstract

The impact of parameterized convection on Eta Model forecast soundings is examined. The Betts-Miller-Janjic' parameterization used in the National Centers for Environmental Prediction Eta Model introduces characteristic profiles of temperature and moisture in model soundings. These specified profiles can provide misleading representations of various vertical structures and can strongly affect model predictions of parameters that are used to forecast deep convection, such as convective available potential energy and convective inhibition. The specific procedures and tendencies of this parameterization are discussed, and guidelines for interpreting Eta Model soundings are presented.

Article / Publication Data
Active/Online
YES
ISSN
0882-8156
Volume
17
Available Metadata
Fiscal Year
Publication Name
Weather and Forecasting
Published On
January 01, 2003
Final Online Publication On
January 16, 2021
Publisher Name
Amer Meteorological Soc
Print Volume
17
Print Number
5

Institutions

Not available

Authors

Authors who have authored or contributed to this publication.

Not available