Next Article in Journal
The FuGas 2.3 Framework for Atmosphere–Ocean Coupling: Comparing Algorithms for the Estimation of Solubilities and Gas Fluxes
Next Article in Special Issue
Tropical Atlantic Response to Last Millennium Volcanic Forcing
Previous Article in Journal
Changes of Soil C Stock under Establishment and Abandonment of Arable Lands in Permafrost Area—Central Yakutia
Previous Article in Special Issue
Variations in Moisture Supply from the Mediterranean Sea during Meteorological Drought Episodes over Central Europe
Article Menu
Issue 8 (August) cover image

Export Article

Open AccessArticle
Atmosphere 2018, 9(8), 309;

Seasonal Changes of Extremes in Isolated and Mesoscale Precipitation for the Southeastern United States

Department of Geography, Planning and Environment, East Carolina University, Greenville, NC 27858, USA
Received: 1 July 2018 / Revised: 3 August 2018 / Accepted: 7 August 2018 / Published: 9 August 2018
(This article belongs to the Special Issue Weather and Climate Extremes: Current Developments)
Full-Text   |   PDF [6580 KB, uploaded 9 August 2018]   |  


The association between instantaneous extreme precipitation and mesoscale organization over the southeastern United States is not well known. This study addresses whether isolated precipitation features have a distinct distribution and spatial pattern of extreme rain compared to mesoscale precipitation features, and how these distributions and spatial patterns change from spring to summer. Using a four-year surface radar precipitation data set, hourly images of instantaneous extreme rain rates were separated into isolated and mesoscale precipitation features from March through August for the four-year period of 2009–2012. Results show that that compared to isolated convection, mesoscale precipitation organization is more commonly associated with higher extremes in instantaneous rainfall in the southeastern U.S. Extreme rain values tied to mesoscale organization shift eastward and toward the coasts from spring to summer, while extreme rain from isolated convection is mainly a summer phenomenon concentrated in Florida and along the coastal plain. The implication is that dynamical processes favoring mesoscale organization such as high shear associated with baroclinic circulations are more associated with higher values of extreme rain, while thermodynamic forcing and local circulations favoring isolated convection are associated with lower values of extreme rain. View Full-Text
Keywords: extreme precipitation; seasonal variation; precipitation organization extreme precipitation; seasonal variation; precipitation organization

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

Share & Cite This Article

MDPI and ACS Style

Rickenbach, T. Seasonal Changes of Extremes in Isolated and Mesoscale Precipitation for the Southeastern United States. Atmosphere 2018, 9, 309.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Atmosphere EISSN 2073-4433 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top