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RISSeasonal Predictions of Tropical Cyclones Using a 25-km-Resolution General Circulation Model
Publisher: American Meteorological Society
Abstract: etrospective seasonal predictions of tropical cyclones (TCs) in the three major ocean basins of the Northern Hemisphere are performed from 1990 to 2010 using the Geophysical Fluid Dynamics Laboratory High-Resolution ...
Recurving Tropical Cyclones: Singular Vector Sensitivity and Downstream Impacts
Publisher: American Meteorological Society
Abstract: Singular vectors (SVs) are used to study the sensitivity of 2-day forecasts of recurving tropical cyclones (TCs) in the western North Pacific to changes in the initial state. The SVs are calculated using the tangent and ...
Toward Convective-Scale Prediction within the Next Generation Global Prediction System
Publisher: American Meteorological Society
Abstract: AbstractThe Geophysical Fluid Dynamics Laboratory (GFDL) has developed a new variable-resolution global model with the ability to represent convective-scale features that serves as a prototype of the Next Generation Global ...
Targeted Observations of Tropical Cyclone Movement Based on the Adjoint-Derived Sensitivity Steering Vector
Publisher: American Meteorological Society
Abstract: Since 2003, a field program has been conducted under the name of Dropwindsonde Observations for Typhoon Surveillance near the Taiwan Region (DOTSTAR). As the name DOTSTAR suggests, targeted observation is one of its key ...
Interpretation of Tropical Cyclone Forecast Sensitivity from the Singular Vector Perspective
Publisher: American Meteorological Society
Abstract: In this study, the leading singular vectors (SVs), which are the fastest-growing perturbations (in a linear sense) to a given forecast, are used to examine and classify the dynamic relationship between tropical cyclones ...
The Impact of Tropical Storm Paul (1999) on the Motion and Rainfall Associated with Tropical Storm Rachel (1999) near Taiwan
Publisher: American Meteorological Society
Abstract: A heavy rainfall event associated with the passage of Tropical Storm Rachel (1999) over southern Taiwan was studied in which a conceptual model was proposed. In the model, Tropical Storm Paul (1999) plays an important role ...
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Publisher: American Meteorological Society
Interaction of Typhoon Shanshan (2006) with the Midlatitude Trough from both Adjoint-Derived Sensitivity Steering Vector and Potential Vorticity Perspectives
Publisher: American Meteorological Society
Abstract: Targeted observation is one of the most important research and forecasting issues for improving tropical cyclone predictability. A new parameter [i.e., the adjoint-derived sensitivity steering vector (ADSSV)] has been ...
Validation and Interpretation of Adjoint-Derived Sensitivity Steering Vector as Targeted Observation Guidance
Publisher: American Meteorological Society
Abstract: he adjoint-derived sensitivity steering vector (ADSSV) has been proposed and applied as a guidance for targeted observation in the field programs for improving tropical cyclone predictability, such as The Observing System ...
Assimilation of Tropical Cyclone Track and Structure Based on the Ensemble Kalman Filter (EnKF)
Publisher: American Meteorological Society
Abstract: A new tropical cyclone vortex initialization method based on the ensemble Kalman filter (EnKF) is proposed in this study. Three observed parameters that are related to the tropical cyclone (TC) track and structure?center ...