The Foothills Climate Array Manda Adams Shawn Marshall

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The Foothills Climate Array Manda Adams Shawn Marshall Shannon Fargey

The Foothills Climate Array Manda Adams Shawn Marshall Shannon Fargey

Motivation for FCA • The local climate of southwestern Alberta is dominated by mesoscale

Motivation for FCA • The local climate of southwestern Alberta is dominated by mesoscale processes • The primary objective of the FCA is to characterize the spatial-temporal patterns of meteorological variability and to develop physically-based models of the controls of topography and surface environment on surface weather patterns. • Insights from the FCA will be used to develop improved climate downscaling strategies, climate change impact assessments, and boundary-layer process parameterizations in regional climate models

Foothills Climate Array

Foothills Climate Array

Cross-section of study area

Cross-section of study area

Instrumentation

Instrumentation

Station Elevations

Station Elevations

Instrumentation FCA station HOBO tipping bucket rain gauge Veriteq temperature-humidity datalogger

Instrumentation FCA station HOBO tipping bucket rain gauge Veriteq temperature-humidity datalogger

0. 85 moose

0. 85 moose

Mountain Stations Farm Stations 1. 5 m 2. 0 m

Mountain Stations Farm Stations 1. 5 m 2. 0 m

Data Quality – some issues. . . attack of the horse death by avalanche

Data Quality – some issues. . . attack of the horse death by avalanche serious clog by birds taken out by cows

Automatic Weather Stations • 5 full met stations – – Incoming radiation Pressure Wind

Automatic Weather Stations • 5 full met stations – – Incoming radiation Pressure Wind Speed and Direction Sonic Snow Depth Elbow AWS – Near Elbow Falls (Kananaskis Country) Simpson AWS – West of Cochrane

A Tale of 2 Sites • Site 530 – Elevation 1164 m – Latitude:

A Tale of 2 Sites • Site 530 – Elevation 1164 m – Latitude: 50. 9098 – Longitude: -114. 315 • Site 538 – Elevation 946 m – Latitude: 50. 9359 – Longitude: -113. 703 • Distance Between: 42 km

Temperature

Temperature

Relative Humidity

Relative Humidity

Rain Events

Rain Events

Rain Events

Rain Events

Convective Events 2005

Convective Events 2005

Examples of the variability in Convective Rain Events

Examples of the variability in Convective Rain Events

Relating Surface Variables

Relating Surface Variables

Contributions to UNSTABLE • Prairie stations: change sampling strategy – Require: 1 grad student

Contributions to UNSTABLE • Prairie stations: change sampling strategy – Require: 1 grad student • Operational Running of UW-NMS and/or WRF in support of IOPs – Require: programmer or grad student

UW-NMS

UW-NMS

SPC

SPC

Science Questions well suited for the FCA • Under what conditions do t-storms generated

Science Questions well suited for the FCA • Under what conditions do t-storms generated in the central Alberta Foothills intensify and move southeast over the Calgary area? • Can the influence of mesoscale circulations and boundaries be seen in the severe weather climatology of the region?

Questions? Contact Information: Manda Adams manda. adams@ucalgary. ca Funding provided by: Canadian Foundation for

Questions? Contact Information: Manda Adams manda. adams@ucalgary. ca Funding provided by: Canadian Foundation for Innovation Alberta Science and Research and Investments Project

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