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RISEastern North Pacific Hurricane Season of 2009
Publisher: American Meteorological Society
Abstract: he 2009 eastern North Pacific hurricane season had near normal activity, with a total of 17 named storms, of which seven became hurricanes and four became major hurricanes. One hurricane and one tropical storm made landfall ...
The Influence of Incipient Latent Heat Release on the Precipitation Distribution of the 24–25 January 2000 U.S. East Coast Cyclone
Publisher: American Meteorological Society
Abstract: The role of a diabatically produced lower-tropospheric potential vorticity (PV) maximum in determining the precipitation distribution of the 24?25 January 2000 U.S. East Coast cyclone is investigated. Operational numerical ...
Observational Diagnosis and Model Forecast Evaluation of Unforecasted Incipient Precipitation during the 24–25 January 2000 East Coast Cyclone
Publisher: American Meteorological Society
Abstract: Previous research has shown that a lower-tropospheric diabatically generated potential vorticity (PV) maximum associated with an area of incipient precipitation (IP) was critical to the moisture transport north of the PV ...
An Examination of Model Track Forecast Errors for Hurricane Ike (2008) in the Gulf of Mexico
Publisher: American Meteorological Society
Abstract: ources of dynamical model track error for Hurricane Ike (2008) in the Gulf of Mexico are examined. Deterministic and ensemble model output are compared against National Centers for Environmental Prediction (NCEP) Global ...
Potential Vorticity (PV) Thinking in Operations: The Utility of Nonconservation
Publisher: American Meteorological Society
Abstract: The use of the potential vorticity (PV) framework by operational forecasters is advocated through case examples that demonstrate its utility for interpreting and evaluating numerical weather prediction (NWP) model output ...
An Analysis of the Impact of a Split-Front Rainband on Appalachian Cold-Air Damming
Publisher: American Meteorological Society
Abstract: Appalachian cold-air damming (CAD) is characterized by the development of a cool, stable air mass that is advected southwestward along the eastern slopes of the Appalachian Mountains by low-level ageostrophic flow. Operational ...
Operational Forecaster Uncertainty Needs and Future Roles
Publisher: American Meteorological Society
Abstract: Key results of a comprehensive survey of U.S. National Weather Service operational forecast managers concerning the assessment and communication of forecast uncertainty are presented and discussed. The survey results ...
The Operational Use of QuikSCAT Ocean Surface Vector Winds at the National Hurricane Center
Publisher: American Meteorological Society
Abstract: The utility and shortcomings of near-real-time ocean surface vector wind retrievals from the NASA Quick Scatterometer (QuikSCAT) in operational forecast and analysis activities at the National Hurricane Center (NHC) are ...
Observations of Gulf of Tehuantepec Gap Wind Events from QuikSCAT: An Updated Event Climatology and Operational Model Evaluation
Publisher: American Meteorological Society
Abstract: A climatology of gale- and storm-force gap wind events in the Gulf of Tehuantepec is constructed for the first time using 10 yr of ocean surface vector wind data from the SeaWinds scatterometer on board NASA?s Quick ...