Low level jet development during a numerically simulated return flow event /

a third over the western Gulf of Mexico. The evolution of the

Bibliographic Details
Main Author: Igau, Richard Charles, 1968-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:a third over the western Gulf of Mexico. The evolution of the
air flow during a period of return flow is complex. When
Carlson and Ludlam (1968). The LLJ over the Plains is found
conceptual model for a severe storm environment produced by
development of low level jets. As the westerly winds
disturbance, synoptic influences overwhelm the mesoscale
diurnal cycles. The LLJ over the western Gulf of Mexico
flow event is studied using output from the Penn State/NCAR
flow to accelerate downstream of the obstacle. This
increase in response to an approaching upper level
lower troposphere over the southern Plains is much like the
Mesoscale Model (Version 4). Three geographically different
mid-level westerlies are weak, mesoscale processes govern the
mixed layer that forms over the region. Over Mexico, the
near the Mexican Plateau southwest of Brownsville, Texas, and
one over the southern Plains of the United States, a second
pressure gradient that supports a LLJ east of the Plateau.
processes leading to a single larger scale low level jet.
response to lee troughing and to the shape of an elevated
results largely from topographic blocking of the low level
simulation shows that the structure of the lower tropospheric
southerly flow. An eastward protrusion in the model
southerly low level jets (LLJ's) develop in the simulation:
southern Plains, and remains nearly stationary over two
temperature structure over the Plateau is responsible for a
The evolution of the southerly low level jet during a return
The LLJ encompasses a smaller area than the LLJ over the
to form first as an inertial oscillation, and later as a
topography north of Veracruz, Mexico forces the low level
Item Description:"Major subject: Meteorology".
Vita.
Physical Description:x, 80 leaves : illustrations, maps ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.