The July 20, 1988 thunderstorms in southern Minnesota: an example of strong synoptic scale forcing

Naistat, Richard J.

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The July 20, 1988 thunderstorms in southern Minnesota: an example of strong synoptic scale forcing

1989

By Naistat, Richard J.

Series: Central Region Technical attachment ; 89-26

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Personal Author:

Naistat, Richard J.

Corporate Authors:

United States. National Weather Service. Central Region

NOAA Program & Office:

NWS (National Weather Service) ; CR (Central Region)

Description:

With the increased emphasis on putting more resolution into the local forecast, forecasters may tend to look for clues in the mesoscale; whereas, the answer may lie in the synoptic scale. This may be true even in the doldrum days of mid summer. In this paper, a case is presented in which the synoptic scale overwhelmed mesoscale influences; yet detail could still be added to the forecast by being familiar with the cloud distribution model associated with a vorticity maximum as described by (Weldon, 1983) . More importantly, the forecaster can avoid wrongly updating a forecast (to agree with observed conditions) simply because radar shows the echoes to be moving away from the area of concern, by being aware of Weldon's model.

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Series:

Central Region Technical attachment ; 89-26

Document Type:

Technical Attachment

License:

https://creativecommons.org/publicdomain/zero/1.0/

Rights Information:

Public domain

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Library

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https://repository.library.noaa.gov/view/noaa/33811/noaa_33811_DS1.pdf

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The July 20, 1988 thunderstorms in southern Minnesota: an example of strong synoptic scale forcing

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