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New Tornado Scale
The Fujita Scale rates
tornadoes based on the
damage inflicted upon
buildings, so accurate
rating requires knowing how
resistant buildings were in
the first place. Starting
February 2007, the National
... > full story
Predicting When Tornadoes Will Strike
Meteorologists found
connections between the sea
surface temperature in the
tropical Pacific Ocean and
the occurrence of tornadoes
in unlikely parts of the
North American continent.
... > full story
Hurricanes Spawn Tornadoes
Tornadoes can form when
hurricanes make landfall, as
their winds at ground level
slow down, while the winds
near the top keep their
momentum. Data from 2004
show this tendency seems to
... > full story
Knowing Where Tornadoes Will Strike
Meteorologists recently
studied the effect of
gravity waves on tornado
formation. They found that
when gravity waves push down
on rotating thunderstorms
the storm compresses and
... > full story
Browse Science Videos
1 to 10 of 58 videos
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Meteorologists Track Tornado Damage From Satellites
Meteorologists use high resolution satellite photography to analyze the path and intensity of recent tornadoes. The data obtained allows them to develop a mathematical model to identify storm damage ... > more -
Meteorologists Describe Little-Known Giant Windstorms
Derechos are elongated, straight-lined windstorms that often have bands of rapidly moving thunderstorms associated with it. These little-known atmospheric phenomena often stretch for hundred of miles ... > more -
Civil Engineers Develop Inexpensive System to Assess Damage after Natural Disasters
A new wireless system assesses injury in a structure after it is hit by a natural disaster such as a hurricane. When a building shakes, sensors records the frequency of the movement. This data is ... > more -
Civil Engineers Improve Houses Against Hurricanes
Polystyrene blocks used to build the walls in the home have survived a direct hit from a tornado, and improved version used in houses incorporates concrete with steel reinforcing inside. On a ... > more -
Meteorologists Are Getting Better at Forecasting
The U.S. experiences more severe storms than any other country in the world. Recent improvements in forecasting technology -- especially in computer simulations have brought five-day weather ... > more -
Research Meteorologists See More Severe Storms Ahead: The Culprit -- Global Warming
Research Meteorologists found that the temperature changes brought on by global warming are significant enough to cause an increase in the occurrence of severe storms. Severe storms are those that ... > more -
Physicists, Engineers Capture Lightning with Tethered Rockets
To study lightning, scientists use rockets connected to the ground by wires. They fire the rockets into clouds, triggering electrical discharges, and storing their power. They have found that ... > more -
Atmospheric Physicists Develop Dust Storm Forecasting System
Atmospheric Physicists designed an early warning system to predict the path and danger of developing dust storms. They linked together storm research, forecasting, and warning tools from different ... > more -
Meteorologists Invent Better Way To Monitor Hurricane Strength
Meteorologists have developed a new method for analyzing hurricane strength. A series of mathematical formulas transform data from Doppler radars into a 3-D picture of storm intensity every 6 ... > more -
Meteorologists Now Able To Issue Storm-based Warnings
Meteorologists no longer have to unnecessarily alarm an entire county with a storm warning. Using a computer program that reflects an increase in the understanding of how storms develop and move, ... > more
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