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Ground-Based Observations of the Thermodynamic and Kinematic Properties of Lake-Breeze Fronts in Southern Manitoba, Canada

Ground-Based Observations of the Thermodynamic and Kinematic Properties of Lake-Breeze Fronts in... The “Effects of Lake Breezes on Weather in Manitoba” project was conducted during 6–24 July 2013 to better understand local lake-breeze characteristics. Data were collected using a variety of platforms including Doppler wind lidar, rawinsondes, Doppler radar, surface meteorological stations, and a mobile weather station. The spatial and temporal variability of thermodynamic and kinematic characteristics of lake-breeze fronts are presented for three cases. Lake-breeze frontal passages were characterized by an average increase in dew point of 2.5  $$^{\circ }$$ ∘ C and decrease in temperature of 0.5  $$^{\circ }$$ ∘ C. The lake-breeze front width varied significantly over multiple measurements and cases, ranging between 50 and 800 m. The depth of the lake-breeze circulation varied between 100 and 700 m. Vertical velocities were measured at the lake-breeze front using lidar, with upward velocities of 2–3 m s $$^{-1}$$ - 1 and small downward velocities of magnitude 0.5 m s $$^{-1}$$ - 1 behind the front. These observations of lake-breeze fronts in southern Manitoba contribute both to the local and broader understanding of the variability (temporally and spatially) of inland shallow lake breezes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Boundary-Layer Meteorology Springer Journals

Ground-Based Observations of the Thermodynamic and Kinematic Properties of Lake-Breeze Fronts in Southern Manitoba, Canada

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References (33)

Publisher
Springer Journals
Copyright
Copyright © 2016 by Her Majesty the Queen in Right of Canada
Subject
Earth Sciences; Atmospheric Sciences; Meteorology; Atmospheric Protection/Air Quality Control/Air Pollution
ISSN
0006-8314
eISSN
1573-1472
DOI
10.1007/s10546-016-0214-1
Publisher site
See Article on Publisher Site

Abstract

The “Effects of Lake Breezes on Weather in Manitoba” project was conducted during 6–24 July 2013 to better understand local lake-breeze characteristics. Data were collected using a variety of platforms including Doppler wind lidar, rawinsondes, Doppler radar, surface meteorological stations, and a mobile weather station. The spatial and temporal variability of thermodynamic and kinematic characteristics of lake-breeze fronts are presented for three cases. Lake-breeze frontal passages were characterized by an average increase in dew point of 2.5  $$^{\circ }$$ ∘ C and decrease in temperature of 0.5  $$^{\circ }$$ ∘ C. The lake-breeze front width varied significantly over multiple measurements and cases, ranging between 50 and 800 m. The depth of the lake-breeze circulation varied between 100 and 700 m. Vertical velocities were measured at the lake-breeze front using lidar, with upward velocities of 2–3 m s $$^{-1}$$ - 1 and small downward velocities of magnitude 0.5 m s $$^{-1}$$ - 1 behind the front. These observations of lake-breeze fronts in southern Manitoba contribute both to the local and broader understanding of the variability (temporally and spatially) of inland shallow lake breezes.

Journal

Boundary-Layer MeteorologySpringer Journals

Published: Nov 9, 2016

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