weather in an air mass
Five basic types of air masses determine the weather. They can bring anything from scorching heat to bone-chilling cold depending on the type of air mass.
These air masses are:
Tropical
continental
(Tc) ...
Weather briefing
When checking for the weather make sure it is up to date as weather in the mountains can change very quickly. Try to grasp the big picture of what is happening and look for trends.
Citizens Weather Observer Program (CWOP) Â- Coastal-Marine Automated Network (C-MAN) Â- NEXRAD radar Â- Remote Automated Weather Station (RAWS) Â- Tropospheric Airborne Meteorological Data Reporting (TAMDAR) ...
Aviation Weather Terms
Aviation Glossary Terms & Definitions in the "Aviation Weather" Category
St. Elmos Fire ...
weather - The state of the atmosphere at a specific time and with respect to its effect on life and human activities. It is the short term variations of the atmosphere, as opposed to the long term, or climatic, changes.
Weather
See also: Beaufort Scale.
Search for weather books on Amazon.co.uk ...
Weather Dash-1- 175-1's are the official weather briefing worksheets given to aircrew prior to departure. A.k.a. Weather Dash One, Dash-1.
Wild Weasel - Mission to destroy enemy Surface to Air Missile Sites (SAM). Anti-SAM Mission.
Weathervane This describes the tendency to point into the wind. Stabilizers on a model result in its desire to weathervane.
Weather: The state of the atmosphere with reference to climatic conditions.
Wedge: An area of high pressure radiating from an anticyclone, which when plotted as isobars appears as a wedge.
Weather is another part of the National Airspace System. Weather plays a huge roll in when a pilot can or cannot fly somewhere. It also gives us limitations and challenges when actually flying.
WEATHER ADVISORY- In aviation weather forecast practice, an expression of hazardous weather conditions not predicted in the area forecast, as they affect the operation of air traffic and as prepared by the NWS.
(See SIGMET.)
(See AIRMET.) ...
Weather phenomenon entailing a strong downdraft of air that can result in the loss of lift for an aircraft passing through it.
Waiver ...
Weather conditions bad enough that the pilot is controlling the aircraft only by reference to instruments. Basically a pilot in IMC is in a cloud, although there are other places where IMC can prevail.
Localizer (LOC) ...
Weather conditions below the minimums prescribed by regulation for the particular action involved (e.g., landing minimums, takeoff minimums).
Braking Action ...
Weather Deviation
Z
Zulu Time. Another term used to designate Coordinated Universal Time (UTC), the standard time common to every place in the world.
Weather decision making is the most difficult and variable factor we deal with in aviation. There are really just a few weather situations that make continued safe flying difficult or impossible for instrument rated pilots: ...
WEATHER DECISION TIME. A predetermined time agreed upon by the USAF air mission commander and the airborne commander to decide on a GO or NO-GO for parachute operations.
WEATHER MINIMUMS Lowest (worst) visibility conditions under which an aircraft may legally be flown under visual flight rules. When visibility is less than specified minimums, an aircraft must fly under instrument flight rules or not at all.
The weather forecast indicated that if we could leave on Friday morning we might beat a snowstorm set to clobber Colorado Springs on Saturday evening. Fortunately, the forecast was wrong.
VFR weather minimums for controlled airspace require at least a 1,000-foot ceiling and three miles visibility except for "Special VFR" clearances to operate "clear of clouds.
Weather assistance.
g. Bird activity information.
h. Holding pattern surveillance.
Severe Weather Avoidance Program
SWEET
1. Equipment indicated is operating efficiently. 2. Valid response to an administrative IFF check. (Opposite of SOUR) ...
Wx - weather.
WX NIL - no significant weather, term used in Met reports.
"Wind and weather conditions vary daily. One day it's calm and the following day there is a slight crosswind. Each day requires different skills to master the Cub," he added.
Now, check the weather: There should be little or no wind, good visibility (no haze) and at least a 3,000 foot ceiling. Avoid the time around sunset if your active runway is 22 to 33! And, have as few friends around as possible.
AWOS (Automated Weather Observing System) Provides automated airport weatherobservations to pilots on a discrete radio frequency via a computer-generated voice. Less sophisticated than ASOS, usually installed using state funds.
8.11 Weathervaning During Taxi
When the airplane is on the ground, it feels the force of the ground and the force of the wind.
- a firm on an airport which maintains, rents, sells, and/or fuels aircraft, and may also provide flight training FSDO Flight Standards District Office - an FAA field office FSS Flight Service Station - an FAA facility which provides weather ...
At the top of the screen are input choices concerned with the type of pitcher, the stadium location and the weather. You can be a right hander or a lefty by clicking on the round buttons on the left.
A type of weather advisory regarding certain weather conditions (turbulence, icing, low visiblity) which could pose a threat to only smaller types of aircraft. SIGMET is a more inclusive type of advisory.
As with the 430/530, the top Garmin system provides full-color terrain mapping and weather uplink capability.
Various technical and weather delays caused the planned launch to slip at least six times until late December, 1968. Finally after a cancellation on 20 December 1968 due to weather, it was decided there would not be a 200th flight.
Beam width - The included angle of a weather radar interrogation signal.
Bendix - Avionics mfgr.
BITE - Built-in test equipment.
Bleed Air - High pressure air ducted from engine to pressurize cabin and other uses.
No, there is nothing more to stop aircraft following N864 from veering to avoid weather than those following any other airway.
Instrument flight rules, or IFR, on the other hand, are the rules under which general aviation aircraft must fly in bad weather and low visibility. Pilots must be in contact with ATC and must file a flight plan.
METAR - Acronym in FAA pilot briefings and weather reports simply means an "aviation routine weather report," but nobody seems certain about the original source.
-The pilot will ascertain from the weather vane and anemometer of the airdrome (1) velocity and (2) the direction of the wind, (3) speed of the airplane he is to fly, (4) the compass bearing of the actual course which he desires to follow.
But as the 707 climbed over the city of Renton, the unpredictable weather immediately closed in around the airliner and forced a landing at nearby Boeing Field after just seven minutes in the air.
The first ascent was made in very calm weather, and the "La France" airship realised the most sanguine expectations, being perfectly under control, and finally returning to the starting point without accident.
GPS is often aided by other systems like the weather alerts provided by Doppler data. GPS is accurate with four or more properly oriented satellites. Accuracy is degraded with improperly placed satellites or fewer than four satellites visible.
VISUAL FLIGHT RULES (VFR) - A set of regulations that a pilot may operate under when weather conditions meet certain minimum requirements.
At higher speeds, most aircraft have enough weathercock stability so that limited amounts of power can be used to stretch the glide or even to maintain altitude until a suitable landing area is reached.
Autorotating ...
Approach: 1)A documented series of turns and altitude changes intended to align a landing airplane with the runway when weather conditions prevent this from being done visually. Various types of approaches offer different degrees of accuracy.
VFR: Visual Flight Rules (good weather)
VIPOW: One-way complimentary systemwide upgrade certificate on American Airlines.
Any person approved by the USAF or Navy Air Weather Services or by the National Weather Service to forecast aviation weather for flight planning.
Section III
Special abbreviations and terms
STABO ...
MET Meteorological information (weather reports)
Monocoque A method of construction in which the skin carries the whole or the greater part of the main loads. Most modern training aircraft are of a monocoque design ...
Visual Meteorological Conditions (VMC) - Weather conditions expressed in terms of visibility, distance from cloud, and cloud ceiling equal to or greater than those specified in Federal Aviation Regulations Part 91.
TURBULENCE - Bad weather where the aircraft might be in a cloud, wind currents or thunderstorm.
AVIATION TERMINOLOGY
D.G.C.A. - Director General of Civil Aviation ...
When an aircraft has too much static directional stabiles (or weathercock stability) in comparison to the dihedral effect spiral instability arises. In spiral divergence the airplane disturbed goes into an ever steeping spiral dive.
IMC (Instrument Meteorological Conditions) Weather conditions that preclude visual flight. Clouds, fog, heavy precipitation, smoke, and volcanic ash can all produce IMC.
ATF Aerodrome Traffic Frequency - VHF frequency designated for use in the vicinity of certain specified uncontrolled airports
ATIS - Automated Terminal Information Service
ATS - Air Traffic Services
AWIS - Aviation Weather Information Service ...
Visual meteorological conditions - good weather
VSI
Vertical speed indicator (rate of climb or descent indicator in units of hundreds of feet per minute) ...
The possibility of the casein glue deteriorating, due to weathering, gave cause for concern - the lower wings being considered to be somewhat protected - debatable, of course.) Also poor workmanship was extensively uncovered in grounded aircraft and ...
An FAA facility that provides specialized flight-related services to pilots. It can provide weather briefings and en route advisories, among other things.
Freight
All air cargo excluding mail.
Mode - Term used by pilots in the Lafayette Escadrille during WWI to describe what they had to land in during rainy weather.
Motor - A word used by Englishmen and student pilots when referring to an aircraft engine. (also see "Aerodrome") ...
Ceiling and visibility unlimited, ideal flying weather
CTAF
Common traffic advisory frequency ...
A system of two pods carried by US F-14s, F-15s and F-16s that combines TFR and a laser designator for accurate low level flying and bombing at night and in bad weather
Legs - Jargon term meaning the range or duration of an aircraft ...
Air Traffic Plans and Publications
Environmental Issues
International Aviation
Technology
Weather ...
"The Toothpick Airforce"
Essays
Centennial of Flight Brochures
Great Games
The Wright Experience
The Weather Contest
The Aviation Fact of the Day
What's New from Oregon Students
Posters & Bookmark ...
The term is also used in the US to indicate weather conditions that are equal to or greater than minimum VFR requirements. Also used by pilots and controllers to indicate a specific type of flight plan.
 See also: Flight, Aircraft, Aviation, Landing, Navigation
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