Updated: Jan 3
METAR terminology can be confusing for new and old pilots alike.
Here's what you need to know.
WHAT IS A METAR?
A METAR is a current observation of surface weather for the reporting airport.
KOGD 091753Z VRB05KT 10SM CLR 09/M02 A3032 RMK A02 SLP257 T00941022
DECODING THE SAMPLE
KOGD = The station identifier.
This is for the Ogden, UT Airport.
091753Z = This is the date and time (in zulu format) that the report was given.
The date for this report is the 9th of the month at 1753 zulu time.
VRB05KT = Wind direction and velocity.
The wind direction in this report is variable.
The wind velocity is 05 knots.
10SM = Statute Miles of visibility.
The visibility in this report is 10 Statute Miles.
CLR = Sky Condition.
The sky condition in this report is clear skies.
09/M02 = Is the temperature and dewpoint in degrees Celsius.
The temperature in this report is 9 Celsius.
The dewpoint in this report is negavite 2 Celsius.
A3032 = Current altimeter setting.
The current altimeter setting in this report is 30.32".
RMK = Remarks.
Anything following the RMK indicates there are additional remarks for this report.
A02 = Automated reporting station type 2.
There are 2 types of automatic reporting stations:
Type 1 - An automated report without a precipitation discriminator.
Type 2 - An automated report with a precipitation discriminator.
SLP257 = Sea Level Pressure in millibars.
If the first number after the "P" is between 0-5, add the number 10 in front.
Example: SLP257 means millibar pressure is 1025.7.
If the first number after the "P" is between 6-9, add the number 9 in front.
Example: SLP823 means millibar pressure is 982.3.
T00941022 = Temperature and Dewpoint to the tenth of a degree.
In this report the temperature is 9.4 Celsius and the Dewpoint is -2.2 Celsius.
OTHER METAR DESCRIPTORS
Not all METAR Descriptors were covered in the example above.
Below you can see a breakdown of all the descriptors.
Author - Nate Hodell
CFI/CFII/MEI/ATP - Creator of wifiCFI - Owner of Axiom Aviation Flight School.
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