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Introduction of ubiquitous technology is changing our daily living environment. Particularly, the new IT services applying the RFID and USN technology are used in wide ranging areas such as the weather, logistics, urban facility management and agriculture. However, information security of such new services closely related to our daily lives is very weak. This paper intends to evaluate the safet...

The work reported here was undertaken to gain an understanding of the weather forecasting process in a naturalistic setting that involves task switching and moderate time pressure. In the first study, Navy weather forecasters verbalized their thoughts while they completed a standard forecasting task. In the second study, Navy weather forecasters completed a questionnaire after finishing each of...

I n 2003, the Meteorological Service of Canada (MSC) began a significant restructuring of its forecasting operations in response to financial pressures. Senior management proposed that the MSC could be made more cost effective while continuing to provide quality services by pursuing a more centralized forecasting approach and increasing the automation of forecasts via numerical weather predicti...

* Corresponding author ([email protected]) Abstract: The performance of artificial neural networks in forecasting short range (3-6 hourly) occurrence of rainfall is presented. Feature sets extracted from both surface level weather parameters and satellite images were used in developing the networks. The study was limited to forecasting the weather over Colombo (79°52’ E, 6°54’ N), the capital...

The Biblical quotation above is an ancient example of attempting to make meteorological predictions based on empirical observations. The idea it contains tends to work as a forecasting scheme, and it has been expressed in many different ways in the subsequent 2,000 years. it is one of many sayings and rhymes of folklore that provide a qualitative description of the weather. In the 17th century,...

The Weather is a continuous, data-intensive, multidimensional, dynamic process that makes weather forecasting a formidable challenge. Weather forecasting involves predicting how the present state of the atmosphere will change. Climate is the long-term effect of the sun's radiation on the rotating earth's varied surface and atmosphere. The Day-byday variations in a given area constitute the weat...

CHIMERE is a chemical transport model widely used within the air quality scientific community. The actual version of CHIMERE is coupled with the MM5 mesoscale meteorological model. To facilitate model development, MM5 is replaced here with the Weather Research and Forecasting (WRF) model. With the accuracy of air quality models being highly dependent on the quality of meteorological drivers, th...

This paper presents a methodology for using hydrodynamic modeling to estimate inundation areas and water depths during a hurricane event. The Environmental Fluid Dynamic Code (EFDC) is used in this research. EFDC is one of the most commonly applied models to Gulf of Mexico estuaries. The event with which the hydrodynamic model was tested was hurricane Ivan. This hurricane made landfall at the A...