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Wireless
Environmental Sensor Networks
Patrick
T. Welsh
WFO Jacksonville, Florida, NWS
Display and demonstrate wireless environmental sensor network
technologies developed in Cooperative Projects with the University
of North Florida's Applied Global Systems Laboratory, and Florida
State University. This includes COMET Grants, NOAA HPCC Grant
and items developed for the Florida Department of Transportation
Road Weather Information System (RWIS).
Based
on microprocessssor-controlled, digital packet radio networks,
the developed Environmental Sensor Networks virtually eliminate
the high recurring costs of communications infrastructure. When
attached to COTS sensors, these networks deliver reliable data
even in the event of failed nodes, using Java and Jini (see www.jini.org)
as the base protocols to deliver autonomous networking of the
data sites. A key element is the the network is self-configuring,
adjusts its topology and continues operation.
Biography
Pat
Welsh graduated from the U. S. Naval Academy in June, 1969
with dual majors in Oceanography and Engineering. His first
tour was aboard the guided missile destroyer, U. S. S. Decatur
(DDG-31). The ship was equipped with surface to air missiles
and a sophisticated frequency scanning Doppler radar. Pat
was the radar and intelligence division officer, and served
as a combat aircraft intercept controller controlling fighter
aircraft. During this tour off Vietnam and Cambodia, he
was spot promoted to Lieutenant, and was awarded the Navy
Achievement Medal.
He next attended the U. S. Naval Postgraduate School in
Monterey, California and graduated with a Masters of Science
degree in Meteorology. His thesis work was part of the first
shipboard attempt to measure high speed atmospheric turbulence
from a moving ship platform, part of a larger laser propagation
study to define the limits of laser pointing accuracy. Following
graduation, Pat joined the Staff of Commander Cruiser Destroyer
Group Twelve, including a six month deployment to the Mediterranean
as Navigator, Scheduler and Combat Systems Officer for an
Aircraft Carrier Battle Group. For this tour of duty, he
was awarded the Navy Commendation Medal. Serving as an instructor
in the Oceanography Department of the U. S. Naval Academy,
he concurrently assumed duty as the Laboratory and Technician
Manager in addition to his normal teaching duties. He taught
oceanography, meteorology and geology courses, and received
a letter of commendation from the Academic Dean.
Pat led the team that developed a new capstone course for
the curriculum, integrating the research and applied aspects
of Oceanography. As an outgrowth of his duties as laboratory
manager, he developed a long range capital improvement program
which the department adopted. Pat was responsible for the
construction liaison for the new Hendrix Oceanography Laboratory,
a 3500 square foot facility on the Severn River, and for
the new research vessel's scientific suite. He was awarded
the Navy Achievement Medal for his work at the Naval Academy.
Pat served as the Officer in Charge of the Naval Oceanography
Command Detachment at Mayport, Florida, where he was awarded
his third Navy Achievement Medal for his management improvements
and innovative fleet training programs in weather readiness,
antisubmarine warfare, and sensor utilization. The latter
included tactical exploitation of anomalous radar and sonar
propagation.
In 1993, Pat completed his dissertation at Florida State
University, as a NASA-Florida Space Grant Consortium Fellow.
He developed a new method to analyze turbulent convective
boundary layers and their fluxes.
Pat has a broad range of scientific interests including
turbulent flows, nonlinear acoustics, remote sensing of
the earth's atmosphere and oceans by acoustic, laser, radar
and satellite sensors.
Currently, as Science and Operations Officer for the National
Weather Service Forecast Office in Jacksonville, he has
been involved in the training, administration and outfitting
the computer and network systems of the new Weather Forecast
Office (WFO) and its Doppler radar facility. He has received
Regional awards for his technical training of the forecast
staff, and the integration of the complex computer networks
in the facility.
He has been recognized for his operational leadership and
the technology transfer of current research into operational
forecasting. In addition to his long-standing interests
in boundary layers and remote sensing of the atmosphere
and oceans, his recent research emphasis is on tornadic
storms, use of the Doppler radar in mesoscale meteorology,
severe weather, and high resolution numerical modeling of
sea breezes and severe weather events.
Pat and his wife of thirty-four years, the former Susan
Elizabeth Day of Lake Mary, have four adult children. Three
of their children are married, while the youngest is a chemistry
student at the University of North Florida. Pat enjoys fishing
and gardening particularly raising fruit trees, orchids
and other tropical plants.
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