Abstract: The writer has observed that large dust devils rotate cyclonically, at least near Tucson, Arizona. This implies that the dust-devil is a central feature of a convective cell whose horizontal radius is frequently a mile. A ...

Abstract: uring 2008 approximately 75% of tornado warnings issued by the National Weather Service (NWS) were false alarms. This study investigates some of the climatological trends in the issuance of false alarms and highlights ...

Abstract: In order for the Federal Aviation Administration (FAA) to use airspace more efficiently during thunderstorm events, accurate storm longevity forecasts are needed. Relationships between 16 radar reflectivity?derived storm ...

Abstract: ornado warnings are currently issued an average of 13 min in advance of a tornado and are based on a warn-on-detection paradigm. However, computer model improvements may allow for a new warning paradigm, warn-on-forecast, ...

Abstract: Typical cold-formed steel floor systems involve many repetitive joist members laid in parallel, yet the design specifications are based upon the reliability of individual members and fail to account for the potential ...