The US was already geared for war, that's what the cold war was all about. However, US tactics and machines of war had to be modified somewhat for the Vietnam War.
Just as with most other instruments, it has many variations, of which the cup anemometer is the most common. radar: Meteorologists use radar to track and measure rainfall in areas. thermometer: Thermometers play an important role in predicting the weather by allowing meteorologists to measure the temperature.
Weather.gov > Norman, OK > The Enhanced Fujita Scale (EF Scale) The Enhanced Fujita Scale or EF Scale, which became operational on February 1, 2007, is used to assign a tornado a 'rating' based on estimated wind speeds and related damage. When tornado-related damage is surveyed, it is compared to a list of Damage Indicators (DIs) and Degrees of Damage (DoD) which help estimate better the range of wind speeds the tornado likely produced.