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Dukhovskoy, D.S.; Morey, S.L.; O'Brien, J.J. | ||||
| Title | Generation of baroclinic topographic waves by a tropical cyclone impacting a low-latitude continental shelf | Type | $loc['typeJournal Article'] | ||
| Year | 2009 | Publication | Continental Shelf Research | Abbreviated Journal | Continental Shelf Research |
| Volume | 29 | Issue | 1 | Pages | 333-351 |
| Keywords | Baroclinic motion; Topographic waves; Low-frequency internal waves; Hurricanes; Caribbean Sea | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0278-4343 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | NOAA, NASA | Approved | $loc['no'] | ||
| Call Number | COAPS @ mfield @ | Serial | 397 | ||
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| Author |
Elsner, J.B.; Strazzo, S.E.; Jagger, T.H.; LaRow, T.; Zhao, M. | ||||
| Title | Sensitivity of Limiting Hurricane Intensity to SST in the Atlantic from Observations and GCMs | Type | $loc['typeJournal Article'] | ||
| Year | 2013 | Publication | Journal of Climate | Abbreviated Journal | J. Climate |
| Volume | 26 | Issue | 16 | Pages | 5949-5957 |
| Keywords | Hurricanes/typhoons; Sensitivity studies; Statistics; General circulation models | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0894-8755 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 212 | ||
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| Author |
Guimond, S | ||||
| Title | Tropical Cyclone Inner-Core Dynamics: A Latent Heat Retrieval and Its Effects on Intensity and Structure Change; and the Impacts of Effective Diffusion on the Axisymmetrization Process | Type | $loc['typeManuscript'] | ||
| Year | 2010 | Publication | Abbreviated Journal | ||
| Volume | Issue | Pages | |||
| Keywords | Hurricanes, Doppler Radar, Latent Heat, Axisymmetrization, Diffusion, Numerical Modeling | ||||
| Abstract | Despite the fact that latent heating in cloud systems drives many atmospheric circulations, including tropical cyclones, little is known of its magnitude and structure due in large part to inadequate observations. In this work, a reasonably high-resolution (2 km), four-dimensional airborne Doppler radar retrieval of the latent heat of condensation is presented for rapidly intensifying Hurricane Guillermo (1997). Several advancements in the retrieval algorithm are shown including: (1) analyzing the scheme within the dynamically consistent framework of a numerical model, (2) identifying algorithm sensitivities through the use of ancillary data sources and (3) developing a precipitation budget storage term parameterization. The determination of the saturation state is shown to be an important part of the algorithm for updrafts of ~ 5 m s-1 or less. The uncertainties in the magnitude of the retrieved heating are dominated by errors in the vertical velocity. Using a combination of error propagation and Monte Carlo uncertainty techniques, biases were found to be small, and randomly distributed errors in the heating magnitude were ~16 % for updrafts greater than 5 m s-1 and ~156 % for updrafts of 1 m s- 1. The impact of the retrievals is assessed by inserting the heating into realistic numerical simulations at 2 km resolution and comparing the generated wind structure to the Doppler radar observations of Guillermo. Results show that using the latent heat retrievals outperforms a simulation that relies on a state-of-the-art microphysics scheme (Reisner and Jeffery 2009), in terms of wind speed root-mean-square errors, explained variance and eye/eyewall structure. The incorrect transport of water vapor (a function of the sub-grid model and the numerical approximations to advection) and the restrictions on the magnitude of heat release that ensure the present model's stability are suggested as sources of error in the simulation without the retrievals. Motivated by the latent heat retrievals, the dynamics of vortex axisymmetrization from the perspective of thermal anomalies is investigated using an idealized, non-linear atmospheric model (HIGRAD). Attempts at reproducing the results of previous work (Nolan and Grasso 2003; NG03) revealed a discrepancy with the impacts of purely asymmetric forcing. While NG03 found that purely asymmetric heating led to a negligible, largely negative impact on the vortex intensification, in the present study the impacts of asymmetries are found to have an important, largely positive role. Absolute angular momentum budgets revealed that the essential difference between the present work and that of NG03 was the existence of a significant, axisymmetric secondary circulation in the basic-state vortex used in the HIGRAD simulations. This secondary circulation was larger than that present in NG03's simulations. The spin-up of the vortex caused by the asymmetric thermal anomalies was dominated by the axisymmetric fluxes of angular momentum at all times, indicating fundamentally different evolution of asymmetries in the presence of radial flow. Radial momentum budgets were performed to elucidate the mechanisms responsible for the formation of the physically significant secondary circulation. Results show that explicit (sub-grid) diffusion in the model was producing a gradient wind imbalance, which drives a radial inflow and associated secondary circulation in an attempt to re-gain balance. In addition, the production of vorticity anomalies from the asymmetric heating was found to be sensitive to the eddy diffusivity, with large differences between HIGRAD and the widely used WRF model for the exact same value of this uncertain parameter. | ||||
| Address | Department of Earth, Ocean and Atmospheric Science | ||||
| Corporate Author | Thesis | $loc['Ph.D. thesis'] | |||
| Publisher | Florida State University | Place of Publication | Tallahassee, FL | Editor | |
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 573 | ||
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| Author |
Hart, R.E.; Maue, R.N.; Watson, M.C. | ||||
| Title | Estimating Local Memory of Tropical Cyclones through MPI Anomaly Evolution | Type | $loc['typeJournal Article'] | ||
| Year | 2007 | Publication | Monthly Weather Review | Abbreviated Journal | Mon. Wea. Rev. |
| Volume | 135 | Issue | 12 | Pages | 3990-4005 |
| Keywords | Hurricanes; Tropical cyclones; Sea surface temperature; Stability | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0027-0644 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 698 | ||
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| Author |
Holthuijsen, L.H.; Powell, M.D.; Pietrzak, J.D. | ||||
| Title | Wind and waves in extreme hurricanes | Type | $loc['typeJournal Article'] | ||
| Year | 2012 | Publication | Journal of Geophysical Research: Oceans | Abbreviated Journal | J. Geophys. Res. |
| Volume | 117 | Issue | C9 | Pages | n/a-n/a |
| Keywords | GPS sondes; hurricanes; swell; wave breaking; white caps; wind drag | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0148-0227 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 268 | ||
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| Author |
Kelly, D.L.; Letson, D.; Nelson, F.; Nolan, D.S.; Solís, D. | ||||
| Title | Evolution of subjective hurricane risk perceptions: A Bayesian approach | Type | $loc['typeJournal Article'] | ||
| Year | 2012 | Publication | Journal of Economic Behavior & Organization | Abbreviated Journal | Journal of Economic Behavior & Organization |
| Volume | 81 | Issue | 2 | Pages | 644-663 |
| Keywords | Risk perceptions; Correlated information; Bayesian learning; Event markets; Prediction markets; Favorite-longshot bias; Hurricanes | ||||
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| ISSN | 0167-2681 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 329 | ||
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| Author |
Misra, V.; Bastola, S. | ||||
| Title | Reconciling droughts and landfalling tropical cyclones in the Southeastern United States | Type | $loc['typeJournal Article'] | ||
| Year | 2016 | Publication | Climate Dynamics | Abbreviated Journal | Clim Dyn |
| Volume | 46 | Issue | 3-4 | Pages | 1277-1286 |
| Keywords | Atlantic hurricanes; Droughts; Teleconnection; Hydrology | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0930-7575 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | NOAA, USGS | Approved | $loc['no'] | ||
| Call Number | COAPS @ mfield @ | Serial | 46 | ||
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| Author |
Misra, V.; DiNapoli, S.M.; Bastola, S. | ||||
| Title | Dynamic downscaling of the twentieth-century reanalysis over the southeastern United States | Type | $loc['typeJournal Article'] | ||
| Year | 2013 | Publication | Regional Environmental Change | Abbreviated Journal | Reg Environ Change |
| Volume | 13 | Issue | S1 | Pages | 15-23 |
| Keywords | Atlantic multi-decadal oscillation; Hurricanes; Pacific Decadal Oscillation | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1436-3798 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 190 | ||
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| Author |
Misra, V.; Selman, C.; Waite, A. J.; Bastola, S.; Mishra, A. | ||||
| Title | Terrestrial and Ocean Climate of the 20th Century | Type | $loc['typeBook Chapter'] | ||
| Year | 2017 | Publication | Florida's climate: Changes, variations, & impacts | Abbreviated Journal | |
| Volume | Issue | Pages | 485-509 | ||
| Keywords | Seasonal cycle; Diurnal variations; Sea breeze; ENSO; Tropical cyclones; Hurricanes; AWP; AMO; PDO; PIZA | ||||
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| Publisher | Florida Climate Institute | Place of Publication | Gainesville, FL | Editor | Chassignet, E. P.; Jones, J. W.; Misra, V.; Obeysekera, J. |
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 849 | ||
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| Author |
Perrie, W.; Zhang, W.; Bourassa, M.; Shen, H.; Vachon, P.W. | ||||
| Title | Impact of Satellite Winds on Marine Wind Simulations | Type | $loc['typeJournal Article'] | ||
| Year | 2008 | Publication | Weather and Forecasting | Abbreviated Journal | Wea. Forecasting |
| Volume | 23 | Issue | 2 | Pages | 290-303 |
| Keywords | Satellite observations; Data assimilation; Hurricanes; Waves, oceanic; Ocean modeling; Numerical analysis | ||||
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| ISSN | 0882-8156 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | NASA, OVWST | Approved | $loc['no'] | ||
| Call Number | COAPS @ mfield @ | Serial | 680 | ||
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