What do the METAR and Taf codes mean?

The Aircrew Quick Reference Guide to the METAR and TAF Codes is designed to help aircrews quickly and clearly translate METAR and TAF codes into plain language. See references in Attachment 1 for a listing of source documents. METAR codes report observed weather conditions by airfield; TAF codes report forecasted weather conditions by airfield.

Are there any erros in the METAR decoder?

The colour state decoding: Note 5: Although the decoder has been tested it still might contain some erros. If you find some of them please contact me. A gradual change in weather between aa and bb hours. Temporary (less than half of period aabb) changes in weather between aa and bb hours. A change in weather by hh hours and mm minutes.

What does the METAR stand for in sky condition?

– RA BR SKY CONDITION Cloud amount and height: CLR (no clouds detected below 12000 feet); FEW (few); SCT (scattered); BKN (broken); OVC (overcast); followed by 3 -digit height in hundreds of feet; or vertical visibility ( VV ) followed by height for indefinite ceiling. BKN015 OVC025 TEMPERATURE/DEW POINT

How to decode an ASOS METAR observation?

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 SLP125 P0003 600 09 T00640036 10066 21012 58033 TSNO $ TYPE OF REPORT

Where to find AWC-Terminal Aerodrome Forecasts ( TAFs )?

AWC – Terminal Aerodrome Forecasts (TAFs) Aviation Weather Center Homepage provides comprehensive user-friendly aviation weather Text products and graphics. Aviation Weather Center Home Page TAFs Page AVIATION WEATHER CENTER N O A A N A T I O N A L W E A T H E R S E R V I C E HOME AWC Home NCEP > NCEP Home Aviation (AWC)

What does METAR stand for in aviation category?

METAR (Aviation Routine Weather Report) refers to a scheduled observation taken between 55-59 minutes past the hour (also referred to as a routine hourly observation).

What do aircrews need to know about METAR codes?

Aircrews should check METAR/TAF codes thoroughly for all hazards to flying safety, including thunderstorms, icing, turbulence, wind shear, and other elements that may significantly affect their aircraft.

What is the visibility of the METAR code?

METAR EDDF 071320Z 22008KT 9999 SCT036 SCT090 BKN280 19/10 Q1011 NOSIG At overseas locations, visibility is reported in meters, and SM is omitted. The largest reportable metric value is 9999. This value represents a visibility greater than 9000 meters (7 SM or more).

Is there a METAR decoder for WX now?

Automated weather observing station with precipitation discriminator. KORD 030551Z 00000KT 10SM CLR 16/10 A2992 RMK AO2 SLP128 T01610100 10228 20161 402560128 58003

What is the METAR code for sand dust?

N O A A N A T I O N A L W E A T H E R S E R V I C E Symbol METAR Code Description Dust or sand Dust or sand Dust or sand FU VA Smoke or volcanic Ash HZ Haze DU SA Dust or sand

When to use CAVOK or p6sm for TAF?

CAVOK is used when there is no significant weather, the visibility is 10 km or greater, and the ceilings are greater than 5,000 ft. In the CONUS, civilian TAFS forecast visibility in statute miles up to 6 statute miles, beyond which P6SM is used to indicate forecast visibility greater than 6 statute miles.