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Author Stewart, M. L.
Title Cyclogenesis and Tropical Transition in Frontal Zones Type $loc['typeManuscript']
Year 2007 Publication Abbreviated Journal
Volume Issue Pages
Keywords Noel(2001), Gaston(2004), Front, QuikSCAT, Peter(2003), Tropical Transition
Abstract Tropical cyclones can form from many different precursors, including baroclinic systems. The process of an extratropical system evolving into a warm core tropical cyclone is defined by Davis and Bosart (2004) as a Tropical Transition (TT) with further classification of systems into Weak Extratropical Cylclones (WEC) and Strong Extratropical Cyclones (SEC). It is difficult to predict which systems will make the transition and which will not, but the description of a common type of TT occurring along a front will aid forecasters in identifying systems that might undergo TT. A wind speed and SST relationship thought to be necessary for this type of transition is discussed. QuikSCAT and other satellite data are used to locate TT cases forming along fronts and track their transformation into tropical systems. Frontal TT is identified as a subset of SEC TT and the evolution from a frontal wave to a tropical system is described in five stages. A frontal wave with stronger northerly wind and weaker southerly wind is the first stage in the frontal cyclogenesis. As the extratropical cyclogenesis continues in the next two stages, bent back warm front stage and instant occlusion stage, the warmer air of the bent back front becomes surrounded by cooler air . Next, in the subtropical stage the latent heat release energy from the ocean surface begins ascent and forms a shallow warm core. As the energy from surface heat fluxes translates to convection within the system, the warm core extends further into the upper levels of the atmosphere in the final, tropical stage of TT. Model data from MM5 simulations of three storms, Noel (2001), Peter (2003) and Gaston (2004) are analyzed to illustrate the five stages of frontal TT. Noel is found to have the most baroclinic origin of the three and Gaston the least.
Address Department of Meteorology
Corporate Author Thesis $loc['Master's thesis']
Publisher Florida State University
Place of Publication Tallahassee, FL
Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Funding NASA, SeaWinds, OVWST, NSF
Approved $loc['no']
Call Number COAPS @ mfield @
Serial 613
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Author Smith, R. A.
Title Trends in Maximum and Minimum Temperature Deciles in Select Regions of the United States Type $loc['typeManuscript']
Year 2007 Publication Abbreviated Journal
Volume Issue Pages
Keywords Long term temperature trends, Climate change, Statistical analysis, Climatology
Abstract Daily maximum and minimum temperature data from 758 COOP stations in nineteen states are used to create temperature decile maps. All stations used contain records from 1948 through 2004 and could not be missing more than 5 consecutive years of data. Missing data are replaced using a multiple linear regression technique from surrounding stations. For each station, the maximum and minimum temperatures are first sorted in ascending order for every two years (to reduce annual variability) and divided into ten equal parts (or deciles). The first decile represents the coldest temperatures, and the last decile contains the warmest temperatures. Patterns and trends in these deciles can be examined for the 57-year period. A linear least-squares regression method is used to calculate best-fit lines for each decile to determine the long-term trends at each station. Significant warming or cooling is determined using the Student's t-test, and bootstrapping the decile data will further examine the validity of significance. Two stations are closely examined. Apalachicola, Florida shows significant warming in its maximum deciles and significant cooling in its minimum deciles. The maximum deciles seem to be affected by some localized change. The minimum deciles are discontinuous, and the trends are a result of a minor station move. Columbus, Georgia has experienced significant warming in its minimum deciles, and this appears to be the result of an urban heat-island effect. The discontinuities seen in the Apalachicola case study illustrate the need for a quality control method. This method will eliminate stations from the regional analysis that experience large changes in the ten-year standard deviations within their time series. The regional analysis shows that most of the region is dominated by significant cooling in the maximum deciles and significant warming in the minimum deciles, with more variability in the lower deciles. Field significance testing is performed on subregions (based on USGS 2000 land cover data) and supports the findings from the regional analysis; it also isolates regions, such as the Florida peninsula and the Maryland/Delaware region, that appear to be affected by more local forcings.
Address Department of Meteorology
Corporate Author Thesis $loc['Master's thesis']
Publisher Florida State University
Place of Publication Tallahassee, FL
Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 612
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Author Brolley, J.M. ; O'Brien, J.J. ; Schoof, J. ; Zierden, D.
Title Experimental drought threat forecast for Florida Type $loc['typeJournal Article']
Year 2007 Publication Agricultural and Forest Meteorology Abbreviated Journal Agricultural and Forest Meteorology
Volume 145
Issue 1-2
Pages 84-96
Keywords wildfires ; Keetch-Byram drought index ; drought ; El Nino/Southern oscillation ; spectral weather generator
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0168-1923
ISBN Medium
Area Expedition Conference
Funding USDA and NOAA
Approved $loc['no']
Call Number COAPS @ mfield @
Serial 422
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Author Peng, M.S. ; Maue, R.N. ; Reynolds, C.A. ; Langland, R.H.
Title Hurricanes Ivan, Jeanne, Karl (2004) and mid-latitude trough interactions Type $loc['typeJournal Article']
Year 2007 Publication Meteorology and Atmospheric Physics Abbreviated Journal Meteorol. Atmos. Phys.
Volume 97
Issue 1-4
Pages 221-237
Keywords Vorticity ; Cyclone ; Tropical Cyclone ; Singular Vector ; Extratropical Cyclone
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0177-7971
ISBN Medium
Area Expedition Conference
Funding NRL internship
Approved $loc['no']
Call Number COAPS @ mfield @
Serial 699
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Author Lim, Y.-K. ; Kim, K.-Y.
Title ENSO Impact on the Space-Time Evolution of the Regional Asian Summer Monsoons Type $loc['typeJournal Article']
Year 2007 Publication Journal of Climate Abbreviated Journal J. Climate
Volume 20
Issue 11
Pages 2397-2415
Keywords
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0894-8755
ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 424
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Author Smith, S.R. ; Brolley, J. ; O'Brien, J.J. ; Tartaglione, C.A.
Title ENSO's Impact on Regional U.S. Hurricane Activity Type $loc['typeJournal Article']
Year 2007 Publication Journal of Climate Abbreviated Journal J. Climate
Volume 20
Issue 7
Pages 1404-1414
Keywords
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0894-8755
ISBN Medium
Area Expedition Conference
Funding NOAA, NASA, USDA
Approved $loc['no']
Call Number COAPS @ mfield @
Serial 429
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Author Gierach, M.M. ; Bourassa, M.A. ; Cunningham, P. ; O'Brien, J.J. ; Reasor, P.D.
Title Vorticity-Based Detection of Tropical Cyclogenesis Type $loc['typeJournal Article']
Year 2007 Publication Journal of Applied Meteorology and Climatology Abbreviated Journal J. Appl. Meteor. Climatol.
Volume 46
Issue 8
Pages 1214-1229
Keywords Cyclogenesis/cyclolysis ; Tropics ; Vorticity
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1558-8424
ISBN Medium
Area Expedition Conference
Funding NASA, OSU, TCSP
Approved $loc['no']
Call Number COAPS @ mfield @
Serial 696
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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
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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 Lim, Y.-K. ; Shin, D.W. ; Cocke, S. ; LaRow, T.E. ; Schoof, J.T. ; O'Brien, J.J. ; Chassignet, E.P.
Title Dynamically and statistically downscaled seasonal simulations of maximum surface air temperature over the southeastern United States Type $loc['typeJournal Article']
Year 2007 Publication Journal of Geophysical Research Abbreviated Journal J. Geophys. Res.
Volume 112
Issue D24
Pages
Keywords downscaling ; temperature ; regional climate
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0148-0227
ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 700
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Author Xu, X. ; Chassignet, E.P. ; Price, J.F. ; Özgökmen, T.M. ; Peters, H.
Title A regional modeling study of the entraining Mediterranean outflow Type $loc['typeJournal Article']
Year 2007 Publication Journal of Geophysical Research Abbreviated Journal J. Geophys. Res.
Volume 112
Issue C12
Pages
Keywords
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0148-0227
ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 420
Permanent link to this record
