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3.4 Guided Notes Weather Forecasters Use Advanced Technologies Weather data come from many sources A ___________________________________ is a scientist who studies weather. In order to predict the weather, meteorologists look at ___________________ and _____________________ conditions. They use many forms of technology to gather data. Instruments that gather weather data use many technologies and can be found in many places. ___________________________ locate clouds and measure their heights. ___________________, a special type of equipment, can detect air motion and precipitation. ______________________________ orbit Earth above the atmosphere. Images can show cloud cover, warm and cool regions, and invisible water vapor. ___________________________ and ___________________________ can carry instrument packages that make measurements wherever they go. _________________________________________________make important measurements of the air at different altitudes as they carry instruments high into the stratosphere. _____________________________________hold instruments that measure air pressure, temperature, dew point, precipitation, wind speed, wind direction, and cloud cover. ______________________________________ record the weather far from cities. They also measure conditions in the ocean that affect the atmosphere. Weather data can be displayed on maps Scientists use _______________________ to record and use the enormous amount of data gathered. One way to make the information easier to understand is to show it on _________________________. A single map can show many different types of data together to give a more complete picture of the ___________________________. _________________________________ are used to combine information from many ground stations. The resulting calculations give the ___________________________, __________________________ and ___________________________ that are marked on the map. Air Pressure on Weather Maps An ____________________ is a line that connects places that have the same air pressure. Each ________________________ is labeled with the air pressure for that whole line in units called millibars. A _____________________________ number means a ____________________ air pressure. Satellite Images and Special Maps ___________________take different types of images from space. Some images take _________________________________ that reflect of the clouds and Earth’s surface. Another image shows __________________________ given off by the warm surface and cooler clouds. These ____________________________________ can show cloud patterns even at night because objects with different ___________________________show up differently. ________________________________ change with altitude, so infrared images also show which clouds are _________________ and which are ___________________ or tall. Forecasters use computer models to predict weather. _________________________ have become an important tool for forecasters weather. When __________________________send in data, computers can create ____________________right away. ___________________________________________ combine many types of ________________________ to forecast what might happen next.