2-43. Which   of   the   following   systems   have   the greatest vertical extent? 1. Cold-cored lows and highs 2. Warm-cored lows and highs 3. Warm-cored lows and cold-cored highs 4. Cold-cored lows and warm-cored highs 2-44. Well-developed cyclonic and anticyclonic closed  circulations  at  the  surface  may  or  may not  be  evident  on  upper-level  charts,  and  the same type circulations may appear on upper-level  charts  and  not  be  evident  at  the surface. 1. True 2. False 2-45. How does a closed cyclonic circulation in the Northern Hemisphere with warmer temperatures   toward   the   circulation   center’ differ  from  a  similar  circulation  with  colder temperatures toward the center? 1. It    does not    extend as    far    into    the atmosphere 2. Its intensity lessens with height 3. It is classified as a warm-cored low 4. All of the above 2-46. A  migratory  closed  circulation  that  extends well into the atmosphere is classified as 1. warm-cored 2. cold-cored 3. dynamic 4. vertically axised 2-47. Tertiary circulations are small, localized circulations created by which of the following conditions? 1. Local heating and cooling 2. Adjacent heating and cooling 3. Induction 4. All of the above 2-48. The monsoons of India and southeast Asia are seasonal in nature, and in winter, the monsoon winds   are   normally   accompanied   by   what weather conditions? 1. Constant heavy rain 2. Heavy rain showers and thunderstorms 3. Both 1 and 2 are correct 4. Mostly clear skies 2-49. A   sea   breeze   can   be   expected   to   reach   its maximum intensity between what hours? 1. 0600  to 0800 local 2. 0900  to 1100 local 3. 1400  to 1600 local 4. 2000  to 2200 local 2-50. Sea breezes are most pronounced during which of the following seasons? 1. Winter 2. Late winter and early spring 3. Late spring, summer and early autumn 4. Late autumn to early spring 2-51. Mountains act as barriers to wind; however, if there   are   valleys   or   passages   through   the mountains, the wind may pass through at great speeds. Which of the following factors controls the wind speeds through such openings? 1. The orientation of the mountain range 2. The pressure difference on each side of the mountain 3. The  pressure  pattern  on  each  side  of  the mountain 4. Each of the above 2-52. Which  of  the  following  names  applies  to  the cold dense air of the Greenland ice cap (10,000 feet  above  sea  level)  when  it  is  set  in  motion and rushes down the cap to sea level? 1. Glacier wind 2. Mountain wind 3. Gravity wind 4. Each of the above 2-53. What is a thermal? 1. A warm dry wind that begins at the base of a   mountain   and   ascends   the   mountain slope 2. A warm moist wind that begins at the base of  a  mountain  and  ascends  the  mountain slope 3. A    relatively    small    1-scale    convective current produced by strong local heating 4. Turbulence created by moderate to strong airflow over rough or hilly terrain 11