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| HABY HINTS QUIZ, SET 8 |
The following 50 question quiz asks multiple choice questions based on Haby Hints 351 through 400 covered at this link: http://theweatherprediction.com/habyhints/
An answer key is provided at the bottom of this webpage.
Use the following image at link below for questions 351 to 358: http://theweatherprediction.com/severe/structure/supercell.jpg
351. What is the feature at "A"?
a. Flanking line
b. Mammatus
c. Anvil
d. Outflow boundary
352. What is the feature at "B"?
a. Flanking line
b. Overshooting top
c. Anvil
d. Outflow boundary
353. What is the feature at "C"?
a. Downdraft
b. Mammatus
c. Anvil
d. Tornado
354. What is the feature at "D"?
a. Flanking line
b. Mammatus
c. Anvil
d. Outflow boundary
355. What is the feature at "E"?
a. Rear Flank Downdraft
b. Wall cloud
c. Rain / Hail core
d. Forward Flank Downdraft
356. What is the feature at "F"?
a. Rear Flank Downdraft
b. Wall cloud
c. Rain / Hail core
d. Forward Flank Downdraft
357. What is the feature at "G"?
a. Rain Free Base
b. Wall cloud
c. Rain / Hail core
d. Forward Flank Downdraft
358. What is the feature at "H" on the right side of the diagram?
a. Forward Flank Downdraft
b. Rear Flank Downdraft
359. This is a fog composed of ice crystals:
a. Freezing fog
b. Ice fog
c. Advection fog
d. Radiation fog
360. A low pressure system that is weakening will be ______(1)________. A low pressure system that is strengthening will be ______(2)_________.
a. (1) filling, (2) lifting
b. (1) filling, (2) deepening
c. (1) digging, (2) lifting
d. (1) digging, (2) deepening
361. Which of the following is shown on satellite images with respect to a severe thunderstorm:
a. TVS
b. Elevated reflectivity
c. V-notch
d. Enhanced-V
362. The ______________ is the time of the year most relevant for the use of the term Indian summer.
a. Early spring
b. Middle and late summer
c. Late fall
363. All are characteristics of a shower expect?
a. Off and on precipitation
b. Brief precipitation
c. Quick beginning and quick ending
d. Flooding rain
364. (Statement 1) Drylines generally advance forward during the day and retreat at night. (Statement 2) A dryline separates warm/dry air from warm/moist air.
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
365. The "dog days of summer" have the origin from the sun:
a. Causing outdoor dogs to suffer in the heat
b. Lining up with the star Sirius to produce hot weather
c. Allowing you and your friends to do outdoor activities
d. Causing severe thunderstorms due to the instability
366. The polar vortex in winter is most common over:
a. Mexico
b. Western U.S.
c. Central Canada
d. Gulf of Mexico
367. (Statement 1) A thermal low tends to strengthen with height. (Statement 2) Thermal lows tend to move very quickly and are most common at night.
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
368. A sustained period of heavy rain at a location is promoted by:
a. A strong downdraft
b. A large volume of moisture entering an updraft
c. Slow movement of storm
d. All of the above
369. (Statement 1) The sublimational power of the sun on surface snow cover increases as the sun angle increases. (Statement 2) Ice can go straight from an ice to a vapor. This is called sublimation.
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
370. What is the threshold size between a drizzle drop and a rain drop?
a. 25 millimeters
b. 2.5 millimeters
c. 1.0 millimeters
d. 0.5 millimeters
371. Cloud cover generally acts to make day time temperatures _____(1)______ than they would be without cloud cover. Cloud cover generally acts to make night time temperatures _____(2)______ than they would be without cloud cover.
a. (1) cooler, (2) cooler
b. (1) warmer, (2) warmer
c. (1) cooler, (2) warmer
d. (1) warmer, (2) cooler
372. Precipitation usually results in a _____(1)______ of the air it falls through. If precipitation falls during the day, the overnight low temperature after the precipitation will tend to be ____(2)_____ than if no precipitation occurred.
a. (1) cooling, (2) warmer
b. (1) cooling, (2) cooler
c. (1) warming, (2) warmer
d. (1) warming, (2) cooler
373. When it comes to fronts, it is important to forecast:
a. When the front will pass through the forecast area
b. How much lifting will occur along the front
c. How much temperature advection will occur behind the front
d. All of the above
374. Surface snow cover has a ____________ effect of high and low temperatures especially when skies are clear.
a. Warming
b. Cooling
375. A morning capping inversion:
a. Can prevent afternoon storms from occurring
b. Can help build convective potential energy in the PBL during the day which can be released once the cap breaks
c. Both a and b
376. A(n) ____(1)_____ wind will usually promote warmer temperatures if upstream air is not too much colder. On a clear night with no temperature advection, the low temperature will tend to be _____(2)_____ when winds are weaker.
a. (1) upslope, (2) cooler
b. (1) upslope, (2) warmer
c. (1) downslope, (2) cooler
d. (1) downslope, (2) warmer
377. (Statement 1) A point is a position in space that has no area and no volume. (Statement 2) The precision of a measurement can always be more precise since there can be an infinite amount of numbers further to the right of the decimal point for any measurement.
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
378. As more precision in time and space for a forecast is required below the synoptic scale, forecast models tend to become:
a. More accurate
b. Less accurate
379. (Statement 1) It is important to know the local effects on temperature and precipitation in the forecast region. (Statement 2) It is important to know situations in which the forecast models will have forecasting problems in the forecast region.
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
380. (Statement 1) Two different forecasters can draw very different conclusions from the same forecast data. (Statement 2) It is important to communicate the forecast completely, coherently and correctly.
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
381. A strong bowing reflectivity gradient is indicative of:
a. Strong convective wind gusts
b. Large hail
c. Strong tornadoes
d. Snow
382. The rule of thumb is that the __________ the echo tops are in a storm then the stronger the updraft is that produced that storm.
a. Larger
b. Smaller
c. Higher
d. Lower
383. The reflectivity from dry ice is ______ than the reflectivity for wet ice that is the same size.
a. More than
b. Less than
384. VIL can be used to forecast the threat for:
a. High winds
b. Tornadoes
c. Icing
d. Hail and heavy rain
385. On radar, typical snow tends to have a ____(1)_____ gradient and a ____(2)_____ reflectivity.
a. (1) fuzzy, (2) light
b. (1) fuzzy, (2) heavy
c. (1) sharp, (2) light
d. (1) sharp, (2) heavy
386. A bow echo is produced by:
a. Storms developing along a cold front
b. A line of storms encountering abundant moisture
c. Strong winds aloft entering the backing side of a squall line
d. The merging of two supercells
387. The inflow notch on this supercell type resembles a kidney bean:
a. Classic
b. LP
c. HP
388. Much of the lighter reflectivity on radar that is downwind from a supercell is the result of:
a. Anvil blowoff
b. Suspended hail
c. Strong shear
d. Anomalous propagation
389. This on radar indicates a flooding potential:
a. Consistently heavy rain
b. Training of storms
c. Very intense slow moving thunderstorms
d. All of the above
390. The rotational velocity of a mesocyclone is outbound plus inbound velocity divided by 2.
a. True
b. False
391. An inversion will promote:
a. Subrefraction
b. Normal refraction
c. Superrefraction
d. No refraction
392. (Statement 1) To reduce velocity aliasing on Doppler radar, increase the pulse repetition frequency. (Statement 2) To reduce range aliasing on radar, decrease the pulse repetition frequency.
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
393. An S-shaped radial velocity pattern on Doppler radar indicates:
a. A veering wind and warm air advection
b. A veering wind and cold air advection
c. A backing wind and warm air advection
d. A backing wind and cold air advection
394. (Statement 1) The speed of light is a constant no matter the medium light moves through. (Statement 2) The frequency and wavelength of light detected by an observer depends on that observer's frame of reference.
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
395. (Statement 1) Increasing the gain will increase the power returned to the radar. (Statement 2) The reflectivity will increase as the distance from radar to hydrometeors 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
396. If the maximum unambiguous range is 190 miles and a storm is located 200 miles from the radar, what distance from the radar will the echo from this storm be erronously displayed:
a. 210 miles
b. 195 miles
c. 90 miles
d. 20 miles
e. 10 miles
397. If the radar indicates a storm top is at 50,000 feet and the actual storm top is at 44,000 feet, then _____________ occured.
a. Superrefraction
b. Subrefraction
398. (Statement 1) Ground clutter causes an overestimation of reflectivity. (Statement 2) Attenuation causes an underestimation of reflectivity.
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
399. (Statement 1) It is a good idea to remind that storms and severe thunderstorms often produce tornadoes even when no tornado warning is out yet. (Statement 2) Be careful about zooming in too close for too long on a storm when running the radar. Keep a close watch on all the viewing area.
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
400. A pulse storm forms in an environment with:
a. Strong wind shear and strong instability
b. Strong wind shear and weak instability
c. Weak wind shear and strong instability
d. Weak wind shear and weak instability
KEY
| 351. C | 361. D | 371. C | 381. A | 391. C |
| 352. B | 362. C | 372. A | 382. C | 392. B |
| 353. B | 363. D | 373. D | 383. B | 393. A |
| 354. A | 364. B | 374. B | 384. D | 394. D |
| 355. C | 365. B | 375. C | 385. A | 395. C |
| 356. B | 366. C | 376. C | 386. C | 396. E |
| 357. A | 367. A | 377. B | 387. C | 397. A |
| 358. A | 368. D | 378. B | 388. A | 398. B |
| 359. B | 369. B | 379. B | 389. D | 399. B |
| 360. B | 370. D | 380. B | 390. A | 400. C |