What Is The Difference Between METAR And TAF? A TAF report is valid for 24 to 30-hour time periods and is typically updated four times a day. Thus, the distinction is quite clear – a METAR pertains to current weather conditions, while a TAF pertains forecasted weather for the next 24 to 30 hours. What
What Does WS Mean In A TAF? Wind shear is encoded with the contraction WS followed by a three-digit height, slant character, and winds at the height indicated in the same format as surface winds. The wind shear element is omitted if not expected to occur. What does WS mean on a METAR? VRB VIS
How Long Is A TAF Valid For? Routine TAFs are valid for a 24-hour period and issued four times daily: 00Z, 06Z, 12Z, and 18Z, and are amended (updated) as conditions require. How often is TAF updated? TAFs are prepared four times a day and are issued at 2340, 0540, 1140, and 1740 UTC. How