Introduction

What is METAR

METAR (Aviation Routine Weather Report; thought to be a contraction of the French words MÉTéorologique ["Weather"] Aviation Régulière ["Routine"]) is a format for reporting weather information. A METAR weather report is predominantly used by pilots in fulfillment of a part of a pre-flight weather briefing, and by meteorologists, who use aggregated METAR information to assist in weather forecasting.

METAR Data Access

In order to share METAR observations more easily, we provide current and recent METAR reports from around the world in GZIP compressed files and via a WebService. Compressed files are available through Itimeteo at http://data.itimeteo.com/metar

Individual Reports

Itimeteo Metar Web Service

http://api.itimeteo.fr/metar.ims

In order to run this Web Service, you can use this sample IKey :
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NWS

In order to display the most recent METAR report from NWS, you can use the form at http://weather.noaa.gov/weather/metar.shtml or read METAR file from ftp://tgftp.nws.noaa.gov/data/observations/metar/stations/LFML.TXT where LFML is the OACI code you want to get.

Cycle Files

Get files

Hourly files containing METAR reports available from Itimeteo are stored at http://data.itimeteo.com/metar
Files are named hhZ.gz where hh is the corresponding cycle hour of METAR file reports. In each hhZ.gz file is stored a text file named hhZ.txt containing all cycle hour METAR reports.

File Format

Each cycle file contains multiple reports in the following format:



The end of each report is delimited by a blank line.