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WX301 Exam 3 UPDATED Questions and CORRECT Answers

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  • WX 301
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  • WX 301

X301 Exam 3 UPDATED Questions and CORRECT Answers Infra-red satellites sense - CORRECT ANSWER- cloud top temperature In a black and white IR image, land appears dark compared with the sea. Does this mean that - CORRECT ANSWER- land is warmer than the sea To pinpoint the location of a target,...

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  • November 15, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • WX 301
  • WX 301
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WX301 Exam 3 UPDATED Questions and
CORRECT Answers
Infra-red satellites sense - CORRECT ANSWER✔✔- cloud top temperature


In a black and white IR image, land appears dark compared with the sea. Does this mean that
- CORRECT ANSWER✔✔- land is warmer than the sea


To pinpoint the location of a target, we need information about the - CORRECT
ANSWER✔✔- target range, elevation and azimuth


An image of radar reflectivity displayed on a horizontal map is called - CORRECT
ANSWER✔✔- a plan position indicator



Composite reflectivity is - CORRECT ANSWER✔✔- the highest reflectivity over different
elevation scans


In a range-height indicator display, convective precipitation shows up as - CORRECT
ANSWER✔✔- a tower like area of high reflectivity



The Z-R relationship relates __ to__ - CORRECT ANSWER✔✔- reflectivity to rainfall rate



A Dopper radar measures precipitation rate and - CORRECT ANSWER✔✔- radial
component of wind to/from the radar


What causes attenuation - CORRECT ANSWER✔✔- strong precipitation between the radar
and a more distant area of precipitation that reduces the signal from the distant area


Airborne radar has __ attenuation and a __ beam width than NWS WSR-88D radar -
CORRECT ANSWER✔✔- more; bigger

, Dual-polarization radar can provide more information about ___ and ___ - CORRECT
ANSWER✔✔- precip type and size, non precipitation scatters



Globally, TS are most common - CORRECT ANSWER✔✔- over tropical land masses


To get a thunderstorm, we need each of the following three conditions. - CORRECT
ANSWER✔✔- unstable air, a lifting mechanism, low level moisture



Over tropical oceans, most TS occur - CORRECT ANSWER✔✔- just before dawn


An airmass thunderstorm has mostly updrafts and surface flow toward the storm at the __
stage - CORRECT ANSWER✔✔- cumulus



Thunderstorms are most common over Iowa - CORRECT ANSWER✔✔- around sunset



In the US, most thunderstorms occur in __ over __ - CORRECT ANSWER✔✔- summer;
Florida


An air mass thunderstorm typically lasts - CORRECT ANSWER✔✔- 30-60 min



Cumulonimbus literally means - CORRECT ANSWER✔✔- heaped rain-producing clouds



TS over the desert southwest are most common during. - CORRECT ANSWER✔✔- mid
afternoon


The outer edge of the expanding cold air below a thunderstorms is called - CORRECT
ANSWER✔✔- the outflow boundary



At the outer edge of the expanding cold air we find the - CORRECT ANSWER✔✔- gust
front


A shelf cloud is an arc-shaped cloud ___ - CORRECT ANSWER✔✔- above the gust front

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