Please wait - loading…

12. Thunderstorms

Description

Tema 1 Meteo Quiz on 12. Thunderstorms, created by Jose Antonio Vazquez on 01/05/2018.
Jose Antonio Vazquez
Quiz by Jose Antonio Vazquez, updated more than 1 year ago
Jose Antonio Vazquez
Created by Jose Antonio Vazquez over 4 years ago
240
12

Resource summary

Question 1

Question
1- The conditions which must exist to allow thunderstorms to develop are:
Answer
  • A trigger action, a plentiful supply of moisture and a very stable atmosphere.
  • A steep lapse rate, a stable atmosphere through a large vertical extent and a plentiful supply of moisture.
  • A plentiful supply of moisture and a steep lapse rate through a large vertical extent and a trigger action.
  • A steep lapse rate through a large vertical extent, a low relative humidity and a trigger action.

Question 2

Question
2- Hazards of the mature stage of a TS cell include lightning, turbulence and:
Answer
  • Microburst, windshear and anvil.
  • Icing, microburst and windshear.
  • Icing, drizzle and microburst.
  • Windshear, hail and fog.

Question 3

Question
3- Thunderstorms require a trigger action to release the conditional instability. Which of the following woud be the least suitable as a trigger:
Answer
  • Covergence in temperate latitudes.
  • Convergence in tropical latitudes.
  • Subsidence in tropical latitudes.
  • Convection in polar latitudes.

Question 4

Question
4. During the _____ stage of a thunderstorm cell, the cloud contains _____ . Complete the above statement correctly using one o
Answer
  • Building / up currents and down currents.
  • Mature / up currents and down currents.
  • Dissipating / up currents and down currents.
  • Building / down currents only.

Question 5

Question
5- The following is unlikely to be a hazard below a thunderstorm:
Answer
  • Severe turbulence.
  • Severe icing.
  • Windshear.
  • Large variations in pressure setting values.

Question 6

Question
6- Thunderstorms are likely if:
Answer
  • Air is unstable, there is sufficient water vapour and there is a trigger action.
  • Air is completely stable, there is sufficient water vapour and there is lifting orographically.
  • There is a warm front.
  • There is a col in winter.

Question 7

Question
7- Hail grows by:
Answer
  • Freezing as it leaves the cloud.
  • By up and down progress in CU cloud.
  • By collision with supercooled water drops.
  • By collision with ice crystals.

Question 8

Question
8- How long approximately does a Cumulonimbus cell take to complete the full cycle from the Cumulus (building) to dissipating stage?
Answer
  • 2-3 hours.
  • 1-2 hours.
  • 4-5 hours.
  • About 1 hour

Question 9

Question
9- A microburst usually lasts for _____ and is about _____ across.
Answer
  • 20 minutes. 20 nm.
  • 5 minutes. 5 km.
  • 30 minutes. 10 km.
  • 45 minutes. 5 nm.

Question 10

Question
10- When flying through an active CB cloud, lightning strikes are most likely:
Answer
  • Above 5000' and underneath the anvil.
  • In the clear air below the the cloud in rain.
  • In the temperature band between +10ºC and -10ºC.
  • At about 10000 ft above AMSL.
Show full summary Hide full summary

Similar

01. T1 meteo
Jose Antonio Vazquez
13. Turbulence
Jose Antonio Vazquez
08. Precipitation
Jose Antonio Vazquez
PENDEJISMO BASICO 1
Nicolás Maya Orozco
Pronombres Personales en Inglés
Christenson Sarceño
LOS AZTECAS
frangonmar1000
capitulo 3. juego y competicion, funcion creadora de la cultura
jhonatan vargas
Conceptualización de la compensación
jhon.hard1989
Las especies del conocimiento
javicho12345
MONOGRAFÍA
Silvana Rios
Personal Pronouns
Daniel Taborda