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| Author | Hite, M. M. | ||||
| Title | Vorticity-Based Detection of Tropical Cyclogenesis | Type | $loc['typeManuscript'] | ||
| Year | 2006 | Publication | Abbreviated Journal | ||
| Volume | Issue | Pages | |||
| Keywords | Quikscat, Seawinds, Tropical Disturbance, Tropical Cyclogenesis, Vorticity | ||||
| Abstract | Ocean wind vectors from the SeaWinds scatterometer on QuikSCAT and GOES imagery are used to develop an objective technique that can detect and monitor tropical disturbances associated with the early stages of tropical cyclogenesis in the Atlantic basin. The technique is based on identification of surface vorticity and wind speed signatures that exceed certain threshold magnitudes, with vorticity averaged over an appropriate spatial scale. The threshold values applied herein are determined from the precursors of 15 tropical cyclones during the 1999-2004 Atlantic hurricane seasons using research-quality QuikSCAT data. Tropical disturbances are found for these cases within a range of 19 hours to 101 hours before classification as tropical cyclones by the National Hurricane Center (NHC). The 15 cases are further subdivided based upon their origination source (i.e., easterly wave, upper-level cut-off low, stagnant frontal zone, etc). Primary focus centers on the cases associated with tropical waves, since these waves account for approximately 63% of all Atlantic tropical cyclones. The detection technique illustrates the ability to track these tropical disturbances from near the coast of Africa. Analysis of the pre-tropical cyclone (TC) tracks for these cases depict stages, related to wind speed and precipitation, in the evolution of an easterly wave to tropical cyclone. | ||||
| Address | Department of Meteorology | ||||
| Corporate Author | Thesis | $loc['Master's thesis'] | |||
| Publisher | Florida State University | Place of Publication | Tallahassee, FL | Editor | |
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 616 | ||
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| Author | Hite, M. M.; Bourassa, M. A.; O'Brien, J. J. | ||||
| Title | Vorticity-Based Detection Of Tropical Cyclones | Type | $loc['typeConference Article'] | ||
| Year | 2006 | Publication | 14th Conference on Interactions of the Sea and Atmosphere, American Meteorological Society, Atlanta, Ga, USA | Abbreviated Journal | |
| Volume | Issue | Pages | cdrom | ||
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| Funding | NASA, OSU, SEAWINDS | Approved | $loc['no'] | ||
| Call Number | COAPS @ mfield @ | Serial | 922 | ||
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| Author | Hoffman, R.N.; Privé, N.; Bourassa, M. | ||||
| Title | Comments on “Reanalyses and Observations: What's the Difference?” | Type | $loc['typeJournal Article'] | ||
| Year | 2017 | Publication | Bulletin of the American Meteorological Society | Abbreviated Journal | Bull. Amer. Meteor. Soc. |
| Volume | 98 | Issue | 11 | Pages | 2455-2459 |
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| ISSN | 0003-0007 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 371 | ||
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| Author | Hoffman, R.N.; Privé, N.; Bourassa, M. | ||||
| Title | Comments on “Reanalyses and Observations: What's the Difference?” | Type | $loc['typeJournal Article'] | ||
| Year | 2017 | Publication | Bulletin of the American Meteorological Society | Abbreviated Journal | Bull. Amer. Meteor. Soc. |
| Volume | 98 | Issue | 11 | Pages | 2455-2459 |
| Keywords | GEOPHYSICAL DATA; marine surface winds; energy and water cycles | ||||
| Abstract | Are there important differences between reanalysis data and familiar observations and measurements? If so, what are they? This essay evaluates four possible answers that relate to: the role of inference, reliance on forecasts, the need to solve an ill-posed inverse problem, and understanding of errors and uncertainties. The last of these is argued to be most significant. The importance of characterizing uncertainties associated with results—whether those results are observations or measurements, analyses or reanalyses, or forecasts—is emphasized. | ||||
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| ISSN | 0003-0007 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ rl18 @ | Serial | 990 | ||
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| Author | Holbach, H. | ||||
| Title | The Effects of Gap-Wind-Induced Vorticity, the Monsoon Trough, and the ITCZ on Tropical Cyclogenesis | Type | $loc['typeManuscript'] | ||
| Year | 2012 | Publication | Abbreviated Journal | ||
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| Address | Department of Earth, Ocean and Atmospheric Science | ||||
| Corporate Author | Thesis | $loc['Master's thesis'] | |||
| Publisher | Florida State University | Place of Publication | Tallahassee, FL | Editor | |
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 276 | ||
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| Author | Holbach, HM; Bourassa, MA | ||||
| Title | The effects of gap wind induced vorticity, monsoon trough and ITCZ on tropical cyclogenesis | Type | $loc['typeConference Article'] | ||
| Year | 2012 | Publication | IEEE International Symposium on Geoscience and Remote Sensing IGARSS | Abbreviated Journal | |
| Volume | Issue | Pages | 2074-2077 | ||
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| Area | Expedition | Conference | IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Munich, Germany | ||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 254 | ||
| Permanent link to this record | |||||
| Author | Holbach, H.M.; Uhlhorn, E.W.; Bourassa, M.A. | ||||
| Title | Off-Nadir SFMR Brightness Temperature Measurements in High-Wind Conditions | Type | $loc['typeJournal Article'] | ||
| Year | 2018 | Publication | Journal of Atmospheric and Oceanic Technology | Abbreviated Journal | J. Atmos. Oceanic Technol. |
| Volume | 35 | Issue | 9 | Pages | 1865-1879 |
| Keywords | Tropical cyclones; Wind; Air-sea interaction; Microwave observations; Remote sensing; Surface observations | ||||
| Abstract | Wind and wave-breaking directions are investigated as potential sources of an asymmetry identified in off-nadir remotely sensed measurements of ocean surface brightness temperatures obtained by the Stepped Frequency Microwave Radiometer (SFMR) in high-wind conditions, including in tropical cyclones. Surface wind speed, which dynamically couples the atmosphere and ocean, can be inferred from SFMR ocean surface brightness temperature measurements using a radiative transfer model and an inversion algorithm. The accuracy of the ocean surface brightness temperature to wind speed calibration relies on accurate knowledge of the surface variables that are influencing the ocean surface brightness temperature. Previous studies have identified wind direction signals in horizontally polarized radiometer measurements in low to moderate (0�20 m s−1) wind conditions over a wide range of incidence angles. This study finds that the azimuthal asymmetry in the off-nadir SFMR brightness temperature measurements is also likely a function of wind direction and extends the results of these previous studies to high-wind conditions. The off-nadir measurements from the SFMR provide critical data for improving the understanding of the relationships between brightness temperature, surface wave�breaking direction, and surface wind vectors at various incidence angles, which is extremely useful for the development of geophysical model functions for instruments like the Hurricane Imaging Radiometer (HIRAD). | ||||
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| ISSN | 0739-0572 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ rl18 @ | Serial | 980 | ||
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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 | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 268 | ||
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| Author | Hong, C. H.; Hurlburt, H. E.; Melsom, A.; Metzger, E. J.; Meyers, S. D.; O'Brien, J. J. | ||||
| Title | The role of tropically forced coastal Kelvin waves on the stability of the coastal circulation along western north America | Type | $loc['typeConference Article'] | ||
| Year | 1997 | Publication | CAS/JSC Working Group, (WMO/ICSU/IOC) | Abbreviated Journal | |
| Volume | 25 | Issue | Pages | 848-849 | |
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| Publisher | CAS/JSC Working Group | Place of Publication | Editor | Boer, G. J. | |
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 731 | ||
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| Author | Hood, M., and 39 Coauthors (including S. R. Smith) | ||||
| Title | Ship-Based Repeat Hydrography: A Strategy for a Sustained Global Program | Type | $loc['typeConference Article'] | ||
| Year | 2010 | Publication | Proceedings of OceanObs'09: Sustained Ocean Observations and Information for Society | Abbreviated Journal | |
| Volume | 2 | Issue | Pages | ||
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| Publisher | Place of Publication | Editor | Hall, J., Harrison, D.E. and Stammer, D.ll | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 563 | ||
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