Unit 2. Regional Analysis and Forecast Program

1.

1 point

What is the most important climatic element in Africa?

Precipitation.

Temperature.

Prevailing winds.

Humidity.

2.

1 point

What affect does the amplitude of a long wave trough or ridge have on surface systems?

A large amplitude long wave ridge would cause a high located ahead of it to build due to the strong convergence.

A small amplitude long wave trough would cause a low located ahead of it to deepen due to the convergence.

A large amplitude long wave trough would cause a low located ahead of it to fill due to the strong divergence.

A small amplitude long wave ridge would cause a high located ahead of it to build due to the strong divergence.

3.

1 point

Where would you expect predominantly wet, cloudy, and relatively warm winter weather in
Canada?

South central region.

North central region.

West coast region.

East coast region.

4.

1 point

Which of the following products are considered standard for detecting the longwave
pattern?

Local area work chart, Satellite water vapor analysis, and 500 MB hemispheric charts.

Local area work chart, Satellite infrared analysis, and 500 MB height fall analysis chart.

Satellite water vapor analysis, baroclinic wave analysis chart, and 500 MB hemispheric charts.

Satellite water vapor analysis, 5-wave analysis chart, and 500 MB hemispheric charts.

5.

1 point

Which type of analysis covers an area of sufficient size to identify systems affecting a
forecaster’s area of operation?

Mesoscale analysis.

Synoptic scale analysis.

Macroscale Analysis.

Pseudo Hemispheric Analysis.

6.

1 point

Which of the following information is not available via the Meteorological Technical
Information Program?

Description of surface and upper-level features.

Specific regime forecasting checklists for every weather unit in the CONUS.

Regime frequency, duration, and season when it most occurs.

General weather conditions associated with the regime and potential forecast problems.

7.

1 point

Suggested times spent on interrogating different atmospheric scales are

10 percent macroscale, 60 percent synoptic, and 30 percent mesoscale and local.

10 percent macroscale, 30 percent synoptic, and 60 percent mesoscale and local.

30 percent macroscale, 10 percent synoptic, and 60 percent mesoscale and local.

60 percent macroscale, 30 percent synoptic, and 10 percent mesoscale and local.

8.

1 point

Which of the following is not an example of a regime specific forecasting approach?

Performing standard isobaric analysis of surface charts as outlined by routine station procedures.

Performing two-degree isotherm analysis at 850 MB and 500 MB, 500 MB height fall analysis, and surface pressure fall analysis to help identify short waves and fronts.

Using hourly Local Analysis Work Charts to identify and track precipitation as part of the forecast/metwatch process during warm frontal overrunning.

Using WSR–88D Routine Product Set lists and alert paired products during episodes of severe convection.

9.

1 point

What region of Africa averages the most rainfall annually?

Equatorial region.

Northern region.

Southeastern interior region.

Southwestern region.

10.

1 point

This analytical process involves analyzing at the largest scale first, then focusing downward
to the smallest scale?

Forecast funnel.

Macroscale analysis.

Synoptic analysis.

Mesoscale analysis.

11.

1 point

This US weather region is dominated by a cold high in the midwinter that prevents storm
systems from moving into it is the

Southwest desert and mountain area.

Northeastern area.

Southwest Pacific coast area.

West central intermountain area.

12.

1 point

What affect does the amplitude of a long wave trough or ridge have on surface systems?

A large amplitude long wave trough would cause a low located ahead of it to deepen due to the strong divergence.

A large amplitude long wave trough would cause a low to weaken located ahead of it due to the strong convergence.

A small amplitude long wave ridge would cause a high located ahead of it to build due to the strong divergence.

A large amplitude long wave ridge would cause a high located ahead of it to weaken due to the strong convergence.

13.

1 point

What often determines the name of a synoptic weather regime?

Precipitation type and speed of movement.

Thermal characteristics and development region.

Development region and system type.

System type and thermal characteristics.

14.

1 point

Which of the following is a mesoscale system?

Short wave trough.

Long wave trough.

Mesolow.

Semipermanent cyclone.

15.

1 point

Which of the following statements best describes the second verification in the VIV
process?

Compare the 12-hr forecast positions with analysis of real-time data for the same time, such as METSAT analysis.

Compare the current 12-hour forecast positions with the previous 00-hour forecast positions for the same time.

Compare the previous 12-hour forecast positions with the current 00-hour forecast positions for the same time.

Compare the 00-hr forecast positions with analysis of real-time data for the same time, such as METSAT analysis.

16.

1 point

Which of the following is false concerning the classification of systems?

Local winds, temperatures, and clouds are not influenced by mesoscale systems.

Synoptic systems influence advection, vertical motions, and other dynamics.

Migratory systems may develop rapidly, or not at all, depending on the long wave macroscale influence.

Macroscale systems include long-waves, semipermanent cyclones, and anticyclones.

17.

1 point

This US weather region receives the greatest amount of precipitation.

Northwest Pacific coast area.

Northeastern area.

Southeast and Gulf States area.

Southwest Pacific coast area.

18.

1 point

India encounters an abundance of precipitation (425 inches or more) annually due to the

southwest monsoon and associated offshore flow.

northeast monsoon and associated onshore flow.

southwest monsoon and associated onshore flow.

northeast monsoon and associated offshore flow.

19.

1 point

Which part of the forecast worksheet is used to record forecast justification for each weather
element in a forecast?

Model output.

Climatology.

Synoptic analysis.

Forecast reasoning.

20.

1 point

How is synoptic regime information categorized?

Geographical region, long wave pattern, and surface features.

Geographical region, long wave pattern, and thermal characteristics.

Long wave pattern, associated weather, and thermal characteristics.

Geographical region, associated weather, and thermal characteristics.

21.

1 point

The Atlantic Ocean modifies weather along the east coast of Canada by keeping the east
coast

summers cooler and winters warmer than inland regions.

summers warmer and winters cooler than inland regions.

cloud-free during the summer.

cloud-free during the winter.

22.

1 point

What mountain chain separates France from Spain and how is it oriented?

Dinaric Alps; oriented east to west.

Pyrenees; oriented north to south.

Pyrenees; oriented east to west.

Dinaric Alps; oriented north to south.

23.

1 point

What software developed by the Air Force Weather Agency (AFWA) outputs weather
regime information on weather patterns all over the world?

Meteorological Technical Information Program.

Theater Technical Information Program.

Automated Weather Regime Dissemination Program.

Weather Regime Web (WRW).

24.

1 point

What size of an area do macroscale systems influence?

2,500 nautical miles.

1,000 nautical miles.

1,500 nautical miles.

5,000 nautical miles.

25.

1 point

A synoptic or mesoscale weather pattern, which affects the weather at a particular location
defines

a weather regime.

a standard synoptic regime.

a regional climatic system.

an oscillating weather pattern.

26.

1 point

Which US weather region is an area of storm track convergence?

Central Plains area.

Northeastern area.

Southeast and Gulf States area.

West central intermountain area.

27.

1 point

Which of the following statements best describes the first verification in the VIV process?

Compare the 00-hr forecast positions with analysis of real-time data for the same time, such as METSAT analysis.

Compare the previous 12-hour forecast positions with the current 00-hour forecast positions for the same time.

Compare the 12-hr forecast positions with analysis of real-time data for the same time, such as METSAT analysis.

Compare the current 12-hour forecast positions with the previous 00-hour forecast positions for the same time.

28.

1 point

What affect does the zonal index have on the speed and movement of synoptic systems?

A high zonal index would cause systems to slow down and move from the west to east.

A low zonal index would cause systems to speed up and move from the west to east.

A low zonal index would cause systems to slow down and move from the north to south.

A high zonal index would cause systems to speed up and move from the north to south.

29.

1 point

Which of the following is a synoptic system?

Radar thin line.

Mesohigh.

Warm front.

Mesocyclone.