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| HABY HINTS QUIZ, SET 1 |
The following 50 question quiz asks multiple choice questions based on Haby Hints 1 through 50 covered at this link: http://theweatherprediction.com/habyhints/
An answer key is provided at the bottom of this webpage.
1. All the following processes will increase the lower tropospheric relative humidity except:
a. Lifting of air
b. Evaporation of precipitation
c. Orographic descent
d. Advection of air with a much lower dewpoint depression
2. The lifting of air that occurs with an upper level low commonly occurs through:
a. Converging of air masses
b. Increasing values of moisture
c. Cold air advection
d. Upper level divergence
3. This air mass has the most dense air and thus tends to flow underneath other air masses when it interacts with them.
a. Continental tropical
b. Continental polar
c. Maritime polar
d. Maritime tropical
4. All of the following are favorable for morning dew except:
a. Soil with a high moisture content
b. Cloudy skies
c. Light winds
d. Low afternoon dewpoint depression preceding the night
5. This is the term for liquid condensation on the ground that then freezes during the course of the night:
a. Dew
b. Frost
c. Frozen dew
d. Freezing rain
6. Outflow boundaries are miniature cold fronts that form due to the presence of:
a. Positive vorticity advection
b. Warm air advection
c. Coastlines
d. Multi-cell thunderstorms
7. Why do bridges and over passes usually ice up before other roads?
a. Bridges and overpassess are more exposed to the air and thus cool more quickly
b. Surface frictional warming between tires and the road is less on bridges and overpasses
c. Bridges and overpasses tend to retain more heat
d. Bridges and overpasses are made of substances that tend to freeze more easily
8. Radiation fog tends to form first in lower lying areas because:
a. Temperatures are warmer and moisture concentration is higher
b. Temperatures are cooler and moisture concentration is higher
c. Temperatures are warmer and moisture concentration is lower
d. Temperatures are cooler and moisture concentration is lower
9. Dew is most likely to first form on substances that are _____(1)______ than surrounding objects and have a ______(2)________ dewpoint immediately around the object.
a. (1) Warmer, (2) higher
b. (1) Warmer, (2) lower
c. (1) Cooler, (2) lower
d. (1) Cooler, (2) higher
10. This force causes the wind to slow down, causes air to converge into surface low pressure, and causes wind to be turbulent (gusty) near the surface.
a. Coriolis
b. Pressure Gradient Force
c. Friction
d. Gravity
11. A sea breeze front will bring in ____(1)_____ temperatures inland. The sea breeze occurs during the ____(2)_____.
a. (1) Cooler, (2) night
b. (1) Cooler, (2) day
c. (1) Warmer, (2) night
d. (1) Warmer, (2) day
12. As a cold front presses equatorward the air behind the cold front will generally warm over time. All the following will help support this except:
a. Higher sun angles
b. Warm soils
c. Depth of cold air becoming more shallow
d. Evaporation into cold and dry air
13. All of the following will strengthen a mid-latitude cyclone except:
a. Dry air advection into the cyclone
b. Moist air advection into the cyclone
c. Strengthening upper level divergence
d. Strengthening low level convergence
14. Which of the following is false concerning a shortwave?
a. They have cyclonic curvature
b. They are smaller than longwaves
c. They often have rising air associated with them
d. They occur at the surface
15. For synoptic scale precipitation to occur through dynamic (forced) ascent there needs to be saturated air and ____________.
a. A lifting mechanism
b. An unstable troposphere
c. Synoptic scale subsidence
d. Strong speed and directional wind shear
16. Four locations have a temperature of 70 F at 4 pm. Assuming the weather is the same for each location over night (clear skies, light winds) except dewpoint. Which location should have the cooler overnight low?
a. Location 1 (4 pm dewpoint of 65 F)
b. Location 2 (4 pm dewpoint of 60 F)
c. Location 3 (4 pm dewpoint of 55 F)
d. Location 4 (4 pm dewpoint of 50 F)
17. The type of thermal advection that takes place depends primarily upon:
a. Solar radiation
b. Wind speed
c. Wind direction
d. Latent heat processes
18. Rapid height falls on upper level charts indicate that _____(1)______ weather is likely approaching. Rapid surface pressure rises at the surface indicate that _____(2)______ weather is likely approaching.
a. (1) tranquil, (2) tranquil
b. (1) inclement, (2) tranquil
c. (1) tranquil, (2) inclement
d. (1) inclement, (2) inclement
19. Evaporational cooling _____(1)_____ latent heat and therefore _____(2)_____ the air.
a. (1) releases, (2) warms
b. (1) releases, (2) cools
c. (1) absorbs, (2) warms
d. (1) absorbs, (2) cools
20. For locations at a constant elevation, the most important global climatic control to expected temperatures is:
a. Ocean currents
b. Proximity to an ocean body
c. Latitude
d. Prevailing wind
21. (Statement 1) Drier soils tend to promote cooler high temperatures than wet soils. (Statement 2) Drier soils tend to promote cooler low temperatures than wet soils.
a. Statement 1 and Statement 2 are both false
b. Statement 1 and Statement 2 are both true
c. Statement 1 is true and Statement 2 is false
d. Statement 1 is false and Statement 2 is true
22. (Statement 1) When all other ingredients for radiation fog are available, radiation fog is more likely to form if the wind speed is calm as opposed to 5 miles per hour. (Statement 2) If an afternoon rain falls preceding a clear night then the risk of fog increases.
a. Statement 1 and Statement 2 are both false
b. Statement 1 and Statement 2 are both true
c. Statement 1 is true and Statement 2 is false
d. Statement 1 is false and Statement 2 is true
23. The safest location to be during a tornado is a(n):
a. Mobile home
b. Car
c. Attic
d. Bank vault
24. Which of the following is analyzed on a lower tropospheric analysis:
a. Differential vorticity advection
b. Temperature advection
c. Jet stream
d. Longwave troughs and ridges
25. Positive vorticity is a ______________ spin to the air in the Northern Hemisphere.
a. Cyclonic (counterclockwise)
b. Anticyclonic (clockwise)
c. Convective
d. Retrograde
26. (Statement 1) A jet streak in the entrance sector of a trough will tend to weaken the trough over time. (Statement 2) If the upper level winds are weak, storm systems and thunderstorms will tend to move slower than when the upper level winds were strong.
a. Statement 1 and Statement 2 are both false
b. Statement 1 and Statement 2 are both true
c. Statement 1 is true and Statement 2 is false
d. Statement 1 is false and Statement 2 is true
27. A global wind moving toward the North in the Northern Hemisphere will be deflected to the _____(1)______ of the path of motion by the Coriolis force. A global wind moving toward the North in the Southern Hemisphere will be deflected to the _____(2)______ of the path of motion by the Coriolis force.
a. (1) left, (2) left
b. (1) right, (2) right
c. (1) left, (2) right
d. (1) right, (2) left
28. All of the following further increase instability except:
a. Lower tropospheric warm air advection
b. Lower troposphere moisture advection
c. Middle and upper tropospheric warm air advection
d. Middle and upper tropospheric cold air advection
29. The autumnal equinox occurs on:
a. September 23
b. December 23
c. March 23
d. June 23
30. The average environmental lapse rate which is defined as the average rate the temperature decreases with height in the troposphere is near ________ degrees C/km.
a. 4.5
b. 5.5
c. 6.5
d. 7.5
31. When a superadiabatic lapse rate occurs, it most commonly occurs:
a. Near the surface
b. At the top of the boundary layer
c. Near the 500 mb pressure surface
d. Within the tropopause
32. The weather a certain location will experience is likely to be influenced by the _____(1)______ weather conditions. As a boat moves in a river current it moves toward _____(2)_______.
a. (1) upstream, (2) downstream
b. (1) downstream, (2) upstream
c. (1) upstream, (2) upstream
d. (1) downstream, (2) downstream
33. Which of the following is an example of an adiabatic process:
a. A parcel of air warming as it sinks
b. Sun shine warming the earth's surface
c. Evaporational cooling within a parcel of air
d. The soil evaporating moisture into the boundary layer
34. Which of the following has the lowest albedo?
a. Snow
b. Black top
c. Sand
d. Forest
35. If the dewpoint depression is large during the afternoon, there will generally be a large temperature range between the high and low temperature especially on clear days and nights.
a. True
b. False
36. If the weather is uncomfortable warm, which of the following will help it feel cooler:
a. Increasing the dewpoint
b. Step into direct sunlight
c. Stand in the shade in a breezy area and spray water mist on your face
d. Exercise
37. Which of the following is a direct sensor?
a. Radar
b. Satellite
c. Wind profiler
d. Thermometer
38. A contour line of equal rainfall is called an:
a. Isotach
b. Isobar
c. Isohyet
d. Isohypse
39. If heat is added to ice but the ice remain at a constant temperature, then:
a. The thermometer will detect a temperature change
b. Energy is not being added to the ice
c. Energy is being subtracted from the ice
d. The energy added to the ice is being absorbed due to a latent heat process
40. (Statement 1) As temperatures warm, increasing amounts of water vapor can be added to the air. (Statement 2) The maximum amount of water vapor that can be in the air is a function of temperature.
a. Statement 1 and Statement 2 are both false
b. Statement 1 and Statement 2 are both true
c. Statement 1 is true and Statement 2 is false
d. Statement 1 is false and Statement 2 is true
41. (Statement 1) Ocean temperatures tend to be highest climatologically in late summer. (Statement 2) The sun is at the highest noon solar elevation (maximum insolation) in early summer.
a. Statement 1 and Statement 2 are both false
b. Statement 1 and Statement 2 are both true
c. Statement 1 is true and Statement 2 is false
d. Statement 1 is false and Statement 2 is true
42. (Statement 1) Classic supercells tend to produce stronger convective wind gusts and larger hail than HP supercells. (Statement 2) LP supercells tend to produce stronger tornadoes than Classic or HP supercells.
a. Statement 1 and Statement 2 are both false
b. Statement 1 and Statement 2 are both true
c. Statement 1 is true and Statement 2 is false
d. Statement 1 is false and Statement 2 is true
43. (Statement 1) Low level uplift is more intense when low level convergence associated with a front is weak. (Statement 2) Warm fronts generally have more severe weather associated with them as compared to cold fronts and drylines.
a. Statement 1 and Statement 2 are both false
b. Statement 1 and Statement 2 are both true
c. Statement 1 is true and Statement 2 is false
d. Statement 1 is false and Statement 2 is true
44. A moisture tongue will likely have all of the following associated with it except:
a. Warm air advection
b. Higher dewpoints
c. Strong wind
d. Stability
45. This is a term to describe a temperature lapse rate that is between the moist and dry adiabatic lapse rate.
a. Convective instability
b. Potential instability
c. Conditional instability
d. Latent instability
46. Severe thunderstorms in general tend to form in an environment initially with dynamic lifting, instability and:
a. Wind shear
b. Capping
c. Isentropic descent
d. Saturation within entire troposphere
47. Evaporational cooling is most common in the ________(1)__________. Drier air tends to be associated with the ________(2)___________.
a. (1) rear flank downdraft, (2) rear flank downdraft
b. (1) forward flank downdraft, (2) forward flank downdraft
c. (1) rear flank downdraft, (2) forward flank downdraft
d. (1) forward flank downdraft, (2) rear flank downdraft
48. (Statement 1) A south wind in the boundary layer and a west wind higher aloft is an example of a backing wind. (Statement 2) A veering wind is associated with warm air advection especially in the middle latitudes near mid-latitude cyclones.
a. Statement 1 and Statement 2 are both false
b. Statement 1 and Statement 2 are both true
c. Statement 1 is true and Statement 2 is false
d. Statement 1 is false and Statement 2 is true
49. This is a synoptic environment with fronts and mid-latitude cyclones:
a. Baroclinic
b. Barotropic
50. The winds within and around a tornado can vary by over 100 miles per hour over distances less than the size of a football field.
a. True
b. False
KEY
| 1. C | 11. B | 21. D | 31. A | 41. B |
| 2. D | 12. D | 22. D | 32. A | 42. C |
| 3. B | 13. A | 23. D | 33. A | 43. A |
| 4. B | 14. D | 24. B | 34. B | 44. D |
| 5. C | 15. A | 25. A | 35. A | 45. C |
| 6. D | 16. D | 26. D | 36. C | 46. A |
| 7. A | 17. C | 27. D | 37. D | 47. D |
| 8. B | 18. B | 28. C | 38. C | 48. D |
| 9. D | 19. D | 29. A | 39. D | 49. A |
| 10. C | 20. C | 30. C | 40. B | 50. A |