Weather and Climate Unit 12 Exam
Questions and Answers 100% Pass
Who handles (within the government) forecasting the weather for the United States? -
ANS National Weather Service(NWS)
What is the mission statement of the national weather service? - ANS to provide weather
and climate forecasts and warning to the US, territories, and water for the protection of life and
property and the enhancement of the economy.
What is the national center for environmental prediction? - ANS •NCEP collects weather data
from all over the world
•This information is then disseminated to 125 regional Weather Forecast Offices (WFOs)
•Theregional WFOs prepare local forecasts
What is the world meteorological organization? - ANS a part of the United Nations, is
responsible for the international exchange of weather data
How many Automated Surface Observation Systems (ASOSs) do the NWS and FAA operate? -
ANS Approximately 900
How many land observations stations are in the world? - ANS 10,000
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How many ships at sea provide data? - ANS 7,000
When do data buoys report data? - ANS 4 times a day
(00Z, 06Z, 12Z, 18Z)
When are weather balloons launched? - ANS -Twice Daily
-Midnight and Noon Greenwich Mean Time (GMT, aka Zulu time)
What are radiosondes? - ANS Light weight instrument packs that measure temperature
humidity and pressure
How is information on weather maps presented? - ANS collected and displayed is done so in
a way that can be comprehended easily by forecasters and meteorologists
What type of map do meteorologist/forecasters rely on? - ANS rely on upper-level maps to
get an entire picture of the troposphere
What levels do forecasters look at? - ANS 850 mb, 700 mb, 500 mb, 300 mb, and 250/200
mb
What does the 850 mb map help with? - ANS find areas of cold air advection and warm air
advection
What does the 700 mb help with? - ANS to predict the movement of weather producers
What do the 300 and 250/200 mb maps represent? - ANS near the top of the troposphere
What map is the jet stream seen at? - ANS 300 mb and 250/200 mb
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