PHAK Chapter 13 - Aviation Weather Services

ARTCC facilities are responsible for maintaining separation between flights conducted under IFR in the enroute structure.

<p>Meteorological Data Collection and Reporting System</p> Signup and view all the answers

<p>Airborne Radar</p> Signup and view all the answers

<p>Flight Service Station (FSS)</p> Signup and view all the answers

<p>Outlook</p> Signup and view all the answers

<p>The most complete information and a more complete weather picture.</p> Signup and view all the answers

<p>Advisories concerning weather conditions that are potentially hazardous to aircraft.</p> Signup and view all the answers

<p>Inflight advisories concerning non-convective weather that is potentially hazardous to all aircraft.</p> Signup and view all the answers

<p>Dust storms that lower visibility</p> Signup and view all the answers

<p>4 hours, unless a hurricane 6 hours.</p> Signup and view all the answers

<p>Abbreviated</p> Signup and view all the answers

<p>The most complete information and a more complete weather picture.</p> Signup and view all the answers

<p>Current conditions</p> Signup and view all the answers

<p>A shortened standard briefing to update the previous briefing.</p> Signup and view all the answers

<p>A briefing planned for departure 6 hours or more away.</p> Signup and view all the answers

<p>Reports that give accurate depictions of current weather conditions.</p> Signup and view all the answers

<p>Observation of current surface weather reported in a standard international format.</p> Signup and view all the answers

<p>The distance a pilot can see down the runway in a moving aircraft.</p> Signup and view all the answers

<p>1/8 to 2/8</p> Signup and view all the answers

<p>Terminal Aerodrome Forecast, updated 4 times a day.</p> Signup and view all the answers

<p>Used when a rapid and significant change occurs within an hour.</p> Signup and view all the answers

<p>Used for temporary fluctuations of weather expected to last less than 1 hour.</p> Signup and view all the answers

<p>A given percentage describes the probability of thunderstorms and precipitation occurring in the coming hours.</p> Signup and view all the answers

<p>Light aircraft and aircraft with limited operational capabilities.</p> Signup and view all the answers

<p>Moderate icing, moderate turbulence, sustained surface winds of 30 knots, and ceilings less than 1,000ft.</p> Signup and view all the answers

<p>IFR and mountain obscuration.</p> Signup and view all the answers

<p>Turbulence, strong surface winds, low-level wind shear.</p> Signup and view all the answers

<p>Icing and freezing levels.</p> Signup and view all the answers

<p>If wind speed is forecast greater than 99 but less than 199, 50 is added to direction and subtracts 100 from speed.</p> Signup and view all the answers

<p>Wind group is coded as 99 knots.</p> Signup and view all the answers

<p>Subtract 50 from 77 and add 100 to 99, wind 270° at 199 knots.</p> Signup and view all the answers

<p>Wind speed is calm, or less than 5 knots, 'light and variable'.</p> Signup and view all the answers

<p>True north.</p> Signup and view all the answers

<p>Every 3 hours.</p> Signup and view all the answers

<p>Areas of high and low pressure, fronts, temperatures, and local weather.</p> Signup and view all the answers

<p>When the rate of rainfall or intensity of precipitation increases.</p> Signup and view all the answers

<p>15 to 20 minutes.</p> Signup and view all the answers