ADX Weather and Environmental Factors 2

Question 1

A dispatcher notices a SIGMET for severe icing in cloud between FL180 and FL240 along the route. Which aircraft certification is required to legally operate in that airspace?

Accepted Answer

Aircraft certified for flight in known icing conditions

Answer

Any IFR-certified aircraft

Answer

Aircraft with de-icing boots only

Answer

No special certification is required if pilots are instrument-rated

Question 2

What does a Wind Shear PIREP (UA) reporting '+' before the wind shear intensity indicate?

Accepted Answer

Severe wind shear

Answer

Positive (increasing) airspeed during wind shear encounter

Answer

Moderate wind shear

Answer

Wind shear only on final approach

Question 3

Which synoptic feature is most likely to produce widespread IFR conditions with low ceilings and restricted visibility across a large geographic area?

Accepted Answer

A stationary front with warm moist air overrunning it

Answer

A fast-moving cold front

Answer

An upper-level ridge

Answer

A dry line

Question 4

A dispatcher reviews a TAF that includes 'TEMPO 1416 +TSRA.' What does this mean?

Accepted Answer

Temporary thunderstorms with heavy rain expected between 1400Z and 1600Z

Answer

Temporary thunderstorms with heavy rain expected between the 14th and 16th of the month

Answer

A probability of 40% of thunderstorms between 1400Z and 1600Z

Answer

Thunderstorms will persist from 1400Z to 1600Z without breaks

Question 5

What is the primary hazard associated with a microburst during the takeoff roll?

Accepted Answer

Sudden tailwind after an initial headwind, causing rapid performance loss

Answer

Sudden headwind increase improving performance

Answer

Severe turbulence above 1,000 feet AGL

Answer

Localized heavy precipitation reducing visibility only

Question 6

Which weather phenomenon is described as 'a rapidly rotating column of air extending from a cumulonimbus cloud that does not reach the surface'?

Accepted Answer

Funnel cloud

Answer

Waterspout

Answer

Dust devil

Answer

Gustnado

Question 7

An Airmet Sierra is issued for a route segment. What specific weather condition does Sierra designate?

Accepted Answer

IFR conditions and/or mountain obscuration

Answer

Turbulence and strong surface winds

Answer

Icing and freezing levels

Answer

Sustained surface winds exceeding 30 knots