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New Insight On The Plains' Biggest Rains -- Rocky Mountains Affect Midwest Flooding

Date:
June 16, 1999
Source:
National Center For Atmospheric Research (NCAR)
Summary:
Until now scientists have found it hard to predict which summer days would produce giant, flood-prone storm systems in the nation's midsection. Now they may have found two keys: the strength of intense downdrafts from mountain storms upstream, and the formation of small- scale low-pressure areas that can help trigger flooding rains for days.

BOULDER--Until now scientists have found it hard to predict which summer storms forming over the Rocky Mountains would produce giant, flood-prone storm systems in the Great Plains to the east. Now Andrew Crook (National Center for Atmospheric Research, or NCAR) and Donna Tucker (University of Kansas) may have found the key: the strength of intense downdrafts that emerge from the mountain storms and stir up severe weather downstream. Computer modeling to track these downdrafts and the cloud-level ice crystals that help produce them may eventually give forecasters the edge in predicting severe storm systems, and possibly flooding, over the plains. Crook and Tucker (the lead author) are publishing their results in the June issue of Monthly Weather Review. NCAR's primary sponsor is the National Science Foundation.


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The above story is based on materials provided by National Center For Atmospheric Research (NCAR). Note: Materials may be edited for content and length.


Cite This Page:

National Center For Atmospheric Research (NCAR). "New Insight On The Plains' Biggest Rains -- Rocky Mountains Affect Midwest Flooding." ScienceDaily. ScienceDaily, 16 June 1999. <www.sciencedaily.com/releases/1999/06/990615174218.htm>.
National Center For Atmospheric Research (NCAR). (1999, June 16). New Insight On The Plains' Biggest Rains -- Rocky Mountains Affect Midwest Flooding. ScienceDaily. Retrieved April 19, 2014 from www.sciencedaily.com/releases/1999/06/990615174218.htm
National Center For Atmospheric Research (NCAR). "New Insight On The Plains' Biggest Rains -- Rocky Mountains Affect Midwest Flooding." ScienceDaily. www.sciencedaily.com/releases/1999/06/990615174218.htm (accessed April 19, 2014).

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