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RISTurbulence Structure of the Convective Boundary Layer. Part I. Variability of Normalized Turbulence Statistics
Publisher: American Meteorological Society
Abstract: Profiles of turbulence statistics from aircraft observations of the Phoenix 78 convective boundary layer experiment are compared with those from previous observational and modeling studies. The sources and degree of ...
Turbulence Structure of the Convective Boundary Layer. Part III: The Vertical Velocity Budgets of Thermals and Their Environment
Publisher: American Meteorological Society
Abstract: The dynamics of thermal updrafts and compensating environmental downdrafts in the convective boundary layer are examined using observations from the Phoenix 78 field experiment. Separate vertical velocity budgets are ...
Turbulence Structure of the Convective Boundary Layer. Part II. Phonenix 78 Aircraft Observations of Thermals and Their Environment
Publisher: American Meteorological Society
Abstract: A conditional sampling technique based upon the mixed layer spectra of vertical velocity and temperature is developed. This technique is used to analyze the turbulence data obtained by aircraft during the Phoenix 78 ...
An Observational Study of Vortex Spacing in Island Wake Vortex Streets
Publisher: American Meteorological Society
Abstract: Vortex streets are a frequent occurrence in stratocumulus-topped flow downwind of mountainous islands. Theoretical studies dating back to von Kármán, supported by laboratory and numerical studies, have yielded similarity ...
Buoyant Forcing within the Marine Stratocumulus-topped Boundary Layer
Publisher: American Meteorological Society
Abstract: A marine stratocumulus experiment was conducted off the coast of southern California during June and July 1987 as part of the First ISCCP (International Satellite Cloud Climatology Project) Regional Experiment (FIRE). This ...
Aircraft Measurements of Turbulence Spectra in the Marine Stratocumulus-topped Boundary Layer
Publisher: American Meteorological Society
Abstract: Mixed-layer scaling was successfully applied to the velocity, temperature, and moisture spectra of the marine stratocumulus-topped mixed layers observed during the First ISCCP Regional Experiment (FIRE). These turbulence ...
Meso- and Microscale Features of a Colorado Cold Front
Publisher: American Meteorological Society
Abstract: Data from the NOAA BAO (Boulder Atmospheric Observatory) tower and the PROFS (Program for Regional Observing and Forecasting Services) surface mesonetwork have been used to detect the meso- and microscale flow patterns ...
The Relationship between EMEX Mesoscale Precipitation Feature Properties and Their Environmental Characteristics
Publisher: American Meteorological Society
Abstract: Characteristics of the prestorm environment of Equatorial Mesoscale Experiment (EMEX) mesoscale precipitation features (MPFs) are related to properties of them systems using regression analysis. Although environmental ...
Warm-Season Effects of the Gulf Stream on Mesoscale Characteristics of the Atmospheric Boundary Layer
Publisher: American Meteorological Society
Abstract: The meteorological regime off the coast of North Carolina exhibits little synoptic-scale baroclinity during the summer months. As a result, the large-scale atmospheric forcing in this region is frequently weak. Given this ...
Mesoscale Stratocumulus Bands Caused by Gulf Stream Meanders
Publisher: American Meteorological Society
Abstract: Examination of visible and infrared imagery from geosynchronous and polar orbiter satellites reveals the occasional existence of mesoscale cloud bands of unusual width and area, originating over the open northwest Atlantic ...