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Aviation Weather

Aviation weather divided by description

QuestionAnswer
Metar (stand for) Aviation Routine weather Report
Metar ( Definition ) Observation of Current Condition at an Airport
Metar ( Issued ) 50 Minutes of each hour
Metar ( coverage ) Cover the Airport
TAF ( Stand for) Terminal Area Forecast
TAF (Definition ) A concise Statement of Expected Meteorological conditions within a 5SM radius of an airport
TAF ( issued ) 4x a day at 0z 6z 12z 18z
TAF (Valid) 24 hours
TAF (coverage) 5 statute miles from the center of the runway complex.
Metar ( valid ) issuance time only
FA ( Stand for) Aviation Area Forecast
FA ( definition ) Forecast of visual meteorological conditions, Clouds and general Weather over an area of Several States.
FA (contain) Comunications and product header, precautionary statement, synopsis, VFR Clouds e Weather
FA (issued) 3 Times daily
FA (Valid) 18Hours - 12 hours forecast - 6 hours Categorical outlook
FA (coverage) Several States
Airmet ( Stand For ) Airmens Meterological Information
Airmet ( Definition ) Advises of non-convective weather that is potentially hazardous to all aircraft but specially to small aircrafts.
Airmet ( issued ) every six hours starting at 01:45 UTC
Airmet ( Valid ) 6 Hours
Airmet ( Sierra ) IFR Conditions and extensive mountain obscuration.
Airmet ( Tango ) Moderate Turbulence, sustained surface winds 30 knots or greater, non-convective low-level wind shear
Airmet ( Zulu ) Moderate icing and Freezing levels.
Airmet ( coverage ) 3000 Square Miles.
SIGMET ( Stand for ) Significant Meterological Information
SIGMET (definition) Advises of Non-convective weather that is potentially hazardous to all aircraft.
SIGMET (contain) Severe icing, Severe to extreme turbulence or CAT Dust and Sand Storm that reduce visibility to less than 2 SM, volcanic ash
SIGMET (issued) Unscheduled
SIGMET (valid) 4 Hours
SIGMET ( Coverage ) 3000 Square Miles
Convective Sigmet ( stand for ) Convective Sigmet Meterological Information
Convective Sigmet ( Definition ) Advises of convective weather that is potentially hazardous to all aircraft
Convective Sigmet ( Contain ) Severe thunderstorm due to hail at the surface of 3/4 inch or greather / surface winds of 50 knots or greater / Tornados / Embedded Thunderstorms / A line of thunderstorms or thunderstorms producing heavy or greater precipitation affecting at least 40%
Convective Sigmet ( Issued ) Hourly at 55 of each hour
Convective Sigmet ( Valid ) 2 Hours
Convective Sigmet ( coverage ) 3000 square miles
Surface Analysis Chart ( Contain ) Pressure (isobar e high low centers) / Fronts / Weather - Stations with weather symbolos: sky coverage wind direction e speed, temp/dewpoint / preciptation.
Surface Analysis Chart ( Issued ) Every 3 hours
Surface Analysis Chart ( Valid ) At issuance Time only
Surface Analysis Chart ( infos ) Low pressure circulates the air counterclock sucking the air and trowing it out and up.
Weather Depiction Chart ( Contain ) Observed flying category ( IFR, MVFR, VFR )
Weather Depiction Chart ( issued ) Every 3 hours starting at 01Z each day
Weather Depiction Chart ( Valid ) at issuance time only
Low-Level Significant Prognostic Chart ( Contain ) Four Panels - Top two panels are like weather depiction plus turbulence and freezing levels. Lower two panels are like surface analysis.
Low-Level Significant Prognostic Chart ( issued ) 4 times a day at 0z 6z 12z 18z
Low-Level Significant Prognostic Chart ( valid ) 12 and 24 hours (Time is also on chart)
NOTAM ( stand for ) Notice to airmen
NOTAM ( Definition ) Time-critical aeronautical information of a temporary nature not sufficiently know in advance to permit publication charts that might effect a pilots decision to make a flight.
NOTAM ( L ) Stand for Local
NOTAM L ( Definition ) Information Regarding a local airport enviroment.
NOTAM L ( Contain ) Taxiways closures, men and equipment working near or crossing runways and non-navigational lighting such as VASI
NOTAM D ( Stand for ) Distant
NOTAM D ( Definition) Information for all navigational Facilities and public airports.
NOTAM D ( Contain ) 2 outages / limitations on VIR, ILS NDB, DME, Major runway closure.
NOTAM FDC ( Stand for ) Flight Data Center
NOTAM FDC ( Definition ) Information that is regulatory in nature.
NOTAM FDC ( Contain )1 Amendments to aeronautical Charts & IAPS ,also TFR'S
MILITARY TAF More concise / Temperature expected / High and Low Temperature only / Pressure Expected
PIREPS Report provided from a Pilot during flight reporting any diferent weather condition
EFAS ( Stand for ) Enroute Flight Advisory
EFAS ( Infos ) Flight Watch / Frequency 122.0 /
EFAS ( contain ) Reports urgent Pireps / Storms / Wind Shear / Turbulence / Airmet
EFAS ( Definition ) Report Hazardous during Flight
EFAS ( how to find it) using any VOR frequency of the area
EFAS ( Availability ) Below 17,500 and above 5,000 feet.
Created by: Israelleite
 

 



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