Question | Answer |
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. |