key to decode an asos (metar) observation metar kabc 121755z auto 21016g24kt 180v240 1sm r11/p6000ft - ra br bkn015 ovc025 06/04 a2990 rmk ao2 pk wnd 20032/25 wshft 1715 vis 3/4v1 1/2 vis 3/4 rwy11 rab07 cig 013v017 cig 017 rwy11 presfr

Table of Significant Present, Forecast and Recent Weather - Grouped in categories and used in the order listed below; or as needed in TAF, No Significant Weather. “VC” = Vicinity, but not at aerodrome. In the US METAR, 5 to 10 SM from the point of observation. In the US TAF, 5 to 10 SM from the center of the runway complex. Elsewhere, within 8000m.

METAR and TAF Weather Reports. Weather Identifiers: B - Began BC Patches BL Blowing BR Mist >=5/8 DR Low Drifting DS Dust storm DU Dust DZ Drizzle E - Ended: FC, +FC Funnel Cloud, Well-Developed Funnel Cloud Tornado or Waterspout FG Fog FU Smoke FZ Freezing GR Hail (>5mm) GS Small Hail / Snow Pellets (<5mm) HZ Haze

Raw and decoded airport observations. You are accessing a U.S. Government information system, which includes: 1) this computer, 2) this computer network, 3) all Government-furnished computers connected to this network, and 4) all Government-furnished devices and storage media attached to this network or to a computer on this network.

TERMINAL AIRPORT FORECASTS (TAF) The format of the TAF is essentially the same as that of the aviation routine weather report (METAR).

The Aircrew Quick Reference Guide to the METAR/TAF code is a color-coded pamphlet, designed specifically for aircrews, to assist with the quick reference and interpretation of the METAR/TAF codes into plain language. Key groups and solutions are …

A Terminal Aerodrome Forecast (TAF) is a point meteorological condition forecast covering expected weather for a 24 or 30 hour timeframe within a 5 statute mile radius of the airport for which the TAF is being issued. Beyond that radius, pilots must consult their area forecasts.

2019年5月7日 · Detailed information of all aviation weather products including ATIS, ASOS/AWOS, METAR, TAF, Airmets, Prog Charts, etc. & an downloadable excel doc.

This article explains the METAR format by summarizing features from AC 00-45G, Aviation Weather Services. METAR’s are current weather for an airport, and TAF’s are forecasts for a selected airport. The METAR structure is shown in Figure 1 taken from the advisory circular (as are all other Figures and Tables in this summary).

TAF (Aerodrome Forecast) is a statement of meteorological conditions expected for the specified period of time in the airspace within 5 nautical miles of the aerodrome reference point. METAR (Meteorological Aerodrome Report) is a routine aerodrome weather report issued at half hourly time intervals. SPECI (Special Meteorological Report) is a