Power
Point Presentations
New Power Point Presentation with Audio file:
"Canadian Hurricane Centre - Ongoing
Operational and Development Activities" by
Chris Fogarty given October 24, 2008.
(note:opens correctly in Flash version 9 or older. New versions
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ABSTRACT:
"In this presentation I will
discuss some recent activities at the CHC
which have some relationship to interests/projects at the NHC. Specifically, I will discuss the use of the "post-tropical"
terminology in the Canadian forecast bulletins; storm surge forecasting/warnings during tropical events; and track-relative forecast error distributions. Finally I will summarize the most recent work on experimental probabilistic wind swath forecast graphics, which entail the blending storm-only wind swaths with dynamical ensemble-based wind probability fields.
"Advances
In Tropical Cyclone
Track Uncertainty Guidance: Understanding Why Uncertainty
Looks
the Way
It Does". Presented
September 17th, 2008 by Dr. Jim
Hansen, Naval
Research Laboratory ,Monterey, CA. NHC Seminar Room
Audio
file for "Advances in Tropical Cyclone
Track Uncertainty Guidance: Understanding Why Uncertainty Looks the Way
It Does".
RT: ~1:15
"The CIRA and CIMSS AMSU Tropical
Cyclone Intensity Analyses: How Accurate Are They?
presented August 7, 2008 by Corey Walton, SCEP Student Intern at NHC
"The
Atlantic Ocean Thermohaline Circulation (THC) and Its Dominant
Influence on Atlantic Major Hurricane"
William M. Gray,
Department of Atmospheric Science, Colorado State University, Fort
Collins, CO presented at the National Hurricane
Center
July, 2008
ABSTRACT:
"The
Atlantic undergoes large multi-decadal variations in major hurricane
frequency. These changes are important because it has been
extablished
that major hurricanes (~20 percent of named storms) account
for
about 80-85 percent of the US's normalized
(population, inflation, wealth) hurricane destruction.
These multi-decadal changes in major hurricane
activity are
hypothesized to reslt from multi-decadal
variations in Atlantic
Thermohaline Circulation (THC) or the AMO as it is sometimes
referred to. This oscillatiion is hypothesized to be
primarily driven by Atlantic salinity variations - the so called
salt oscilation. It will be shown how Atlantic SSTs,
SLPAs,
trade winds and 200 mb zonal
winds, and Atlantic surface salinity patterns respond in a systematic
manner to these THC variations. The large increase
in Atlantic basin major hurricane frequency
of the last 13 years is due to the THC becoming much stronger
than it was
during the period of 1970-1994. This increase should not be
intepreted as having anything to do with atmospheric
CO2 increases."
Ideas for Improving
Hurricane Forecasts" power point
presentation by Dr.
Alexander "Sandy" MacDonald, Deputy
Assistant Administrator for Oceanic and Atmospheric Research
(OAR) and
Director, OAR's Earth Systems Research Lab (ESRL)
given June 19, 2008 at the National Hurricane Center and
Atlantic Oceonographic and Meteorological
Lab Library.
"Hurricane
Primer" by Neal Dorst, HRD AOML
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