Usage

This utility fetches NOAA weather information from reporting stations that have an ICAO identifier.

Synopsis

metar [-dt] station_id [...]

• -d Show decoded METAR output
• -t Show TAFs where available

Examples

Standard METARs

% metar ksfo rjaa
2016/11/28 05:56
KSFO 280556Z 28004KT 10SM BKN050 BKN060 OVC150 13/07 A3011 RMK AO2 SLP196 T01280072 10133 20117 53001 $
2016/11/28 06:30
RJAA 280630Z 03005KT 360V060 9999 FEW030 13/04 Q1014 NOSIG

METARs and TAFs

% metar -t ksfo 
2016/11/28 06:56
KSFO 280656Z 16006KT 10SM FEW035 BKN050 OVC150 13/08 A3010 RMK AO2 SLP193 T01280078 $
2016/11/28 06:24
TAF KSFO 280520Z 2806/2912 25010KT P6SM FEW025 BKN200 
     FM280800 21010KT P6SM -RA OVC025 
     FM281100 27014G19KT P6SM -SHRA OVC030 
     FM281400 29012KT P6SM BKN050 
     FM282000 30014KT P6SM SCT050 
     FM290400 31008KT P6SM FEW020

Decoded METARs

% metar -d rjaa
New Tokyo Inter-National Airport, Japan (RJAA) 35-46N 140-23E 44M
Nov 28, 2016 - 01:30 AM EST / 2016.11.28 0630 UTC
Wind: from the NNE (030 degrees) at 6 MPH (5 KT) (direction variable):0
Visibility: greater than 7 mile(s):0
Sky conditions: mostly clear
Temperature: 55 F (13 C)
Dew Point: 39 F (4 C)
Relative Humidity: 54%
Pressure (altimeter): 29.94 in. Hg (1014 hPa)
ob: RJAA 280630Z 03005KT 360V060 9999 FEW030 13/04 Q1014 NOSIG
cycle: 6

Building & Installation

All systems

The system specific instructions are based on these steps, which will work for any system.

1. Get libcurl
2. Build using make with INCLUDE and LDFLAGS set to where libcurl is installed
3. Install via make install with PREFIX set to the desired install path

OS X

1. libcurl comes with the OS X SDK
2. make
3. sudo make install

FreeBSD

1. pkg install curl or cd /usr/ports/ftp/curl && make install
2. make INCLUDE=-I/usr/local/include LDFLAGS=-L/usr/local/lib
3. make PREFIX=/usr install as superuser

NetBSD

1. pkg_add curl or cd /usr/pkgsrc/www/curl && make install
2. make INCLUDE=-I/usr/pkg/include LDFLAGS=-L/usr/pkg/lib
3. make PREFIX=/usr install as superuser