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    The Influence of Mesoscale Features of the Sea Surface Temperature Distribution on Marine Boundary Layer Winds off the Scotian Shelf during the Superstorm of March 1993

    Source: Monthly Weather Review:;1998:;volume( 126 ):;issue: 011::page 2793
    Author:
    Desjardins, Serge
    ,
    Benoit, Robert
    ,
    Swail, Val
    DOI: 10.1175/1520-0493(1998)126<2793:TIOMFO>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: This paper studies the mesoscale wind field during the blizzard of March 1993 off the east coast of North America and examines the influence of the sea surface temperature distribution on surface winds. Can the Gulf Stream and its meanders, by its strong influence on the marine boundary layer, generate mesoscale features in the wind field? Numerical simulations of the storm are carried out using the MC2, a fully elastic nonhydrostatic model. Simulations are conducted at different resolutions (50, 25, 10, 5, and 2 km) with both detailed and smoothed SST fields, so as to examine the influence of these parameters on the marine boundary layer winds. Results from these numerical simulations are compared with surface observations from buoys. The study reveals some mesoscale features in the wind field caused by the Gulf Stream?s meanders and the warm eddies of the SST field. In a stable boundary layer, the meanders shaped a 50?55-kt (26?28 m s?1) band of winds in a general 40?45-kt (21?23 m s?1) wind field. Behind the cold front, local enhancements of 10-kt (5 m s?1) winds were found over the warm water eddies in the unstable boundary layer.
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      The Influence of Mesoscale Features of the Sea Surface Temperature Distribution on Marine Boundary Layer Winds off the Scotian Shelf during the Superstorm of March 1993

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4204171
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    • Monthly Weather Review

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    contributor authorDesjardins, Serge
    contributor authorBenoit, Robert
    contributor authorSwail, Val
    date accessioned2017-06-09T16:12:08Z
    date available2017-06-09T16:12:08Z
    date copyright1998/11/01
    date issued1998
    identifier issn0027-0644
    identifier otherams-63195.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4204171
    description abstractThis paper studies the mesoscale wind field during the blizzard of March 1993 off the east coast of North America and examines the influence of the sea surface temperature distribution on surface winds. Can the Gulf Stream and its meanders, by its strong influence on the marine boundary layer, generate mesoscale features in the wind field? Numerical simulations of the storm are carried out using the MC2, a fully elastic nonhydrostatic model. Simulations are conducted at different resolutions (50, 25, 10, 5, and 2 km) with both detailed and smoothed SST fields, so as to examine the influence of these parameters on the marine boundary layer winds. Results from these numerical simulations are compared with surface observations from buoys. The study reveals some mesoscale features in the wind field caused by the Gulf Stream?s meanders and the warm eddies of the SST field. In a stable boundary layer, the meanders shaped a 50?55-kt (26?28 m s?1) band of winds in a general 40?45-kt (21?23 m s?1) wind field. Behind the cold front, local enhancements of 10-kt (5 m s?1) winds were found over the warm water eddies in the unstable boundary layer.
    publisherAmerican Meteorological Society
    titleThe Influence of Mesoscale Features of the Sea Surface Temperature Distribution on Marine Boundary Layer Winds off the Scotian Shelf during the Superstorm of March 1993
    typeJournal Paper
    journal volume126
    journal issue11
    journal titleMonthly Weather Review
    identifier doi10.1175/1520-0493(1998)126<2793:TIOMFO>2.0.CO;2
    journal fristpage2793
    journal lastpage2808
    treeMonthly Weather Review:;1998:;volume( 126 ):;issue: 011
    contenttypeFulltext
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