Question 1

Even with better observing techniques and high-quality computer models, there are countless small, unpredictable atmospheric fluctuations, referred to as ____, that limit model accuracy.

Accepted Answer

The answer of Even with better observing techniques and high-quality...

Question 2

The ____________________ describes the steps used by forecasters to steer their attention from large scales to smaller scales and from short time frames to longer periods.

Accepted Answer

The answer of The ____________________ describes the steps used by...

Question 3

Predicting the weather by weather types employs the ____________________.

Accepted Answer

The answer of Predicting the weather by weather types employs...

Question 4

Surface weather information is provided by more than 10,000 land-based stations and hundreds of ships and buoys providing surface weather information at least ____ times a day.

Accepted Answer

Surface weather information is typically provided at least 4 times a day by land-based stations, ships, and buoys.

Question 5

In the course of a single workday, a typical forecaster may examine and compare ____ individual weather maps.

Accepted Answer

A typical forecaster examines and compares dozens of individual weather maps in the course of a single workday to analyze weather patterns and make accurate forecasts.

Question 6

A long-range forecast is a forecast that extends beyond approximately ____.

Accepted Answer

Long-range forecasts typically extend beyond 8.5 days, focusing on trends and conditions over extended periods rather than specific weather details.

Question 7

If low clouds at an elevation of 3000 ft above you are moving from the southeast, and clouds about 8000 ft higher are moving from the southwest, ____________________ advection is taking place between the cloud layers.

Accepted Answer

The answer of If low clouds at an elevation of...

Question 8

A weather forecast for up to a few hours (usually not more than 6 hours)is called a(n)____________________ forecast, or ____________________.

Accepted Answer

The answer of A weather forecast for up to a...

Question 9

You are in Calgary, Alberta, Canada, 100 km (62 mi)east of the Rockies in January. The current wind is from the north. Looking at a prog for tomorrow, you see that the wind will be from the west, hence tomorrow's temperature will be ____ today's.

Accepted Answer

When the wind shifts from the north to the west in Calgary, especially being close to the Rockies, it often indicates the onset of a Chinook wind. Chinook winds are warm, dry winds that descend down the eastern slopes of the Rockies, causing significant temperature increases in a short period.

Question 10

____________________ , which includes more than 175 nations, is responsible for the international exchange of weather data and certifies that the observation procedures do not vary among nations.

Accepted Answer

The answer of ____________________ , which includes more than 175...

Question 11

A blocking high is a ____.

Accepted Answer

A blocking high is a high-pressure system and accompanying ridge that persist in the same location for many days, often leading to prolonged periods of stable weather in that location.

Question 12

A forecast based on the climate of a particular region is known as a(n)____________________.

Accepted Answer

The answer of A forecast based on the climate of...

Question 13

A weather ____________________ indicates that atmospheric conditions favor hazardous weather occurring over a particular region during a specified time period. A weather ____________________, on the other hand, indicates that hazardous weather is either imminent or actually occurring within the specified forecast area. Advisories are issued to inform the public of less hazardous conditions caused by wind, dust, fog, snow, sleet, or freezing rain.

Accepted Answer

The answer of A weather ____________________ indicates that atmospheric conditions...

Question 14

Given a map with isallobars, high-pressure systems tend to move where the isallobars indicate ____________________ values, and low-pressure systems move where the isallobars are ____________________.

Accepted Answer

The answer of Given a map with isallobars, high-pressure systems...

Question 15

Suppose that where you live, the middle of January is typically several degrees warmer than the rest of the month. If you forecast this "January thaw" for the middle of next January, you have made a(an)____ type of weather forecast.

Accepted Answer

The answer of Suppose that where you live, the middle...

Question 16

Another aid in weather forecasting is the use of ____________________, a two-dimensional vertical profile of temperature, dew point, and winds.

Accepted Answer

The answer of Another aid in weather forecasting is the...

Question 17

Suppose that in a summer afternoon, you observe cumulus clouds with limited vertical growth and with tops at just about the same level. Your local weather forecast should be which of the following?

Accepted Answer

Cumulus clouds with limited vertical growth and uniform tops typically indicate stable weather conditions, suggesting partly cloudy skies with no precipitation.

Question 18

____ tend(s)to steer the movement of surface pressure systems.

Accepted Answer

Winds aloft, including the jet stream, play a significant role in steering the movement of surface pressure systems. They influence weather patterns by directing the path of these systems.

Question 19

The NOAA National Centers for Environmental Prediction runs several large-scale forecast models in ____________________ mode, meaning that they have been thoroughly tested and are reliable enough for everyday use. Other models are run in ____________________ mode; these models show promise and may be consulted by forecasters, but they may not yet be robust enough for operational use.

Accepted Answer

The answer of The NOAA National Centers for Environmental Prediction...

Question 20

Pattern recognition is the common term for what is known as the ____________________ method.

Accepted Answer

The answer of Pattern recognition is the common term for...

Quiz 13: Weather Forecasting