To start with, as we know, the United State is one of the most vulnerable country being affected by a tornado hazard. Records of the National Weather Association indicates that there are approximate 1,200 tornado have been observed each year in which 2011 was the deadly tornado season killing 553 people.
This is an example provided by the National Weather Association. When a tornado is striking, local authorities need to warn people at risk to take an appropriate protective action. Originally, those efforts were made by county-based warnings. What is that? Take a look at this radar reflectivity, there are three simultaneous tornadoes within line of severe thunderstorms. In past days, local authorities would warn every single county which was
This is an example provided by the National Weather Association. When a tornado is striking, local authorities need to warn people at risk to take an appropriate protective action. Originally, those efforts were made by county-based warnings. What is that? Take a look at this radar reflectivity, there are three simultaneous tornadoes within line of severe thunderstorms. In past days, local authorities would warn every single county which was