Wind speed is a very useful weather data, especially for those whose personal or professional activity is influenced by the wind or the weather forecast. It is also the wind speed (combined with the direction) that helps to establish a reliable weather forecast. So how do you measure wind sp...
v denotes wind speed; c signifies sound speed. To measure wind direction, arctan2 can be employed:β = atan2(NS, EW) The variables are as follows: β is an angle, calculated using the two-argument arctangent function atan2, with NS and EW as its arguments; ...
If balloons catch a particularly strong gust of wind, they can travel several hundred miles -- touching down anywhere from a marshy bog to the snowy peaks of the Rocky Mountains. Sending helicopters to pick up almost 200 weather balloons launched in the United States each day simply isn't ...
You can also expose the same scene before and after the subject has experienced some kind of stimulus, like a gust of wind or a vibration. This lets researchers see exactly how the stimulus changed the object. Using lasers to make three-dimensional images of objects may sound like a novelty...
How could a pendulum be used to measure altitude? How does mass affect gravitational force? What can affect the strength of gravitational force? Raindrops are falling straight down at 12 m/s when suddenly the wind starts blowing horizontally at a Brisk 4.0 m/s. From your point of view, the...
<wind_string>From the WSW at 5.8 MPH Gusting to 7.4 MPH</wind_string> <wind_dir>WSW</wind_dir> <wind_degrees>243</wind_degrees> <wind_mph>5.8</wind_mph> <wind_gust_mph>7.4</wind_gust_mph> <wind_kph>9.3</wind_kph> <wind_gust_kph>11.9</wind_gust_kph> <pressure_mb>1019</...
Sometime that afternoon or evening, a gust of wind put enough strain to crack a plastic bracket on one of the flagpole rings that had helped secure the flag, leaving it clumsily draped over the shrubbery below the pole. I am fixing that problem by ordering two new rings–which means I’...
Wind is another factor that will turn the falling tree direction according to the wind direction. A large tree will catch the wind and obey the strong push of a constant wind or a wind gust. Falling large trees is a dangerous action. Only experiences tree fallers should attempt to land a...
A sudden gust of wind can bring you down and make the flood the least of your concerns. The roof is the wrong place to be for another reason — you’re completely exposed to falling trees and power lines. The only good reason to go to the roof is to be seen by a rescue helicopter...
By sending up regular squadrons of balloons to measure the conditions of the upper atmosphere, meteorologists can keep tabs on brewing storms. A century ago, scientists could only predict the weather from measurements taken on the ground. With such a limited data set, the best meteorologists can...