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Author Devanas, A. ; Stefanova, L.
Title Statistical Prediction Of Waterspout Probability For The Florida Keys Type $loc['typeJournal Article']
Year 2018 Publication Weather and Forecasting Abbreviated Journal Wea. Forecasting
Volume 33
Issue Pages 389-410
Keywords Regression analysis ; Forecast verification/skill ; Forecasting techniques ; Probability forecasts/models/distribution ; Statistical forecasting
Abstract A statistical model of waterspout probability was developed for wet-season (June–September) days over the Florida Keys. An analysis was performed on over 200 separate variables derived from Key West 1200 UTC daily wet-season soundings during the period 2006–14. These variables were separated into two subsets: days on which a waterspout was reported anywhere in the Florida Keys coastal waters and days on which no waterspouts were reported. Days on which waterspouts were reported were determined from the National Weather Service (NWS) Key West local storm reports. The sounding at Key West was used for this analysis since it was assumed to be representative of the atmospheric environment over the area evaluated in this study. The probability of a waterspout report day was modeled using multiple logistic regression with selected predictors obtained from the sounding variables. The final model containing eight separate variables was validated using repeated fivefold cross validation, and its performance was compared to that of an existing waterspout index used as a benchmark. The performance of the model was further validated in forecast mode using an independent verification wet-season dataset from 2015–16 that was not used to define or train the model. The eight-predictor model was found to produce a probability forecast with robust skill relative to climatology and superior to the benchmark waterspout index in both the cross validation and in the independent verification.
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0882-8156
ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 553
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Author Kara, A.B.
Title Mixed layer depth variability over the global ocean Type $loc['typeJournal Article']
Year 2003 Publication Journal of Geophysical Research Abbreviated Journal J. Geophys. Res.
Volume 108
Issue C3
Pages
Keywords mixed layer ; isothermal layer ; seasonal cycle ; temperature ; salinity ; verification
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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 482
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Author Smedstad, O.M. ; Hurlburt, H.E. ; Metzger, E.J. ; Rhodes, R.C. ; Shriver, J.F. ; Wallcraft, A.J. ; Kara, A.B.
Title An operational Eddy resolving 1/16° global ocean nowcast/forecast system Type $loc['typeJournal Article']
Year 2003 Publication Journal of Marine Systems Abbreviated Journal Journal of Marine Systems
Volume 40-41
Issue Pages 341-361
Keywords global ocean prediction ; prediction of mesoscale variability ; data assimilation ; ocean forecast verification
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ISSN 0924-7963
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 481
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