Analysis of the impact of Seasat scatterometer data and horizontal resolution on GLA model simulations of the QE II storm

The impact of the Seasat-A satellite scatterometer wind data and the increased horizontal resolution on the Goddard Laboratory for Atmospheres model predictions of the Queen Elizabeth II (QE II) storm of 9-11 September 1978 was evaluated for four different GLA model simulations of the QE II storm. I...

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Bibliographic Details
Published in:Monthly weather review 1993, Vol.121 (2), p.499-521
Main Authors: Lenzen, Allen J., Johnson, Donald R., Atlas, Robert
Format: Article
Language:English
Subjects:
Earth, ocean, space
Exact sciences and technology
External geophysics
Marine
Meteorology
Meteorology And Climatology
Storms, hurricanes, tornadoes, thunderstorms
Online Access:Get full text
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Summary:The impact of the Seasat-A satellite scatterometer wind data and the increased horizontal resolution on the Goddard Laboratory for Atmospheres model predictions of the Queen Elizabeth II (QE II) storm of 9-11 September 1978 was evaluated for four different GLA model simulations of the QE II storm. It is shown that the largest impact on the simulation was caused by doubling the model's horizontal resolution from 4 deg x 5 deg to 2 deg x 2.5 deg. The increased resolution resulted in a storm track which was much closer to the one observed, with a much deeper surface development, a stronger mass circulation, stronger heating, and stronger increase of angular momentum.
ISSN:0027-0644
1520-0493
DOI:10.1175/1520-0493(1993)121<0499:AOTIOS>2.0.CO;2