Played 813 times. NEXRAD stands for Next Generation Radar. Weather stations typically have the following instruments: Always keep an eye at the sky and youâll usually be on top of weather conditions. A SLING PSYCHROMETER measures relative humidity, using the cooling effect of evaporation. A vertical spindle with three small plastic cups rotates on ball bearings at a rate proportional to the wind speed. In addition to weather stations we offer a complete line of weather instruments including anemometers, barometers, thermometers, rain gauges, weather radios, lightning detectors, and weather balloons. A HYGROMETER measures the water vapor content of air or the humidity. Here is a brief definition of the different measurements for humidity. YOUR EYES are one of the best ways to help detect the weather. Definition of weather-wise 1 : skillful in forecasting changes in the weather 2 : skillful in forecasting changes in opinion or feeling a weather-wise politician Most thermometers are closed glass tubes containing liquids such as alcohol or mercury. Science Fair Project Ideas: Here is a complete list of science fair project ideas. 4 years ago. Have you ever listened to a train whistle as it was coming toward you? When air around the tube heats the liquid, the liquid expands and moves up the tube. Meteorologists use weather maps to forecast the weather. Wind Vane: The direction of wind is determined by Wind Vane. WEATHER SATELLITES are used to photograph and track large-scale air movements. *D-990-003 Weather Instrument or Weather Log - Make a rain gauge or pinwheel to determine direction of the wind. Measuring the wind as an element of weather includes measuring the speed and the direction using two different instruments. This State Aviation Discretionary Grant will be used to match the FAA 2012 Entitlement Grant for Design Services for the capital construction project that will be completed in 2013 and an additional Snow Removal Equipment, a Utilities Master Plan, a Runway Weather Instrument System and an Airport Service Vehicle. A small battery provides power to the radiosonde. These instruments and measurements allow meteorologists to make predictions on weather conditions in the near future. Thermometers, for instance, come in traditional liquid-in-glass forms and newer electronic forms, but both measure temperature in Celsius and Fahrenheit. These give the exact temperature in that place. 5. What is Doppler Radar? Combined with satellites, radar gives forecasters the ultimate tools to provide accurate forecasts and advanced severe weather warnings. Follow guidelines for posters listed on page 22. A WIND SOCK is a conical textile tube, which resembles a giant sock, designed to indicate wind direction and relative wind speed. A HYGROMETER measures the water vapor content of air or the humidity. Discover the science behind the weather that impacts us every day. Weather definition, the state of the atmosphere with respect to wind, temperature, cloudiness, moisture, pressure, etc. Thermometer: The thermometer can measure low and high temperatures in degrees of Celsius and Fahrenheit. Printable journal pages make it easy to make journaling a daily or weekly class. Hygrometers are available in both digital versions and traditional analog versions. Weather Instruments DRAFT. An ANEMOMETER measures wind speed. A WEATHER BALLOON measures weather conditions higher up in the atmosphere. Most thermometers are closed glass tubes containing liquids such as alcohol or mercury. They trade over-the … Rainfall: Rainfall including other forms of precipitation (snow, sleet and hail) is always measured by … The barometers are useful in measuring the atmospheric pressure. At Maximum, we will always specify which type of humidity our instruments measure. A THERMOMETER measures the air temperature. You probably noticed that the pitch of the whistle changed as the train passed you and moved away. Weather Measuring Instruments by themselves cannot tell us if it is a nice day, but they will measure the things that make the weather enjoyable or miserable. They can learn how the Doppler Effect works and why Doppler Radar is such as important tool in weather forecasting.