Metar/taf Decodings

Front 1

Define METAR

Back 1

Meteorological Terminal Air Report

Front 2

Define TAF

Back 2

Terminal Aerodrome Forecast

Front 3

How often are METARs updated

Back 3

Every hour

Front 4

How often are TAFs updated

Back 4

Valid for a 24 hour period. Published 4 times per day at 00Z, 06Z, 12Z, 18Z or as weather conditions warrant a sooner TAF.

Front 5

Decode this remark

- PK WND 22030/15

Back 5

Peak wind 220 at 30kts, 15 minutes past the hour

Front 6

Decode this remark

- R28R/2600FT

Back 6

Runway visual range for runway 28 right is 2,600ft

Front 7

Decode this RVR report

- M0600FT

Back 7

M indicates that RVR is less than lowest reportable sensor value.

(Visual range is Minus 600ft)

Front 8

Decode this RVR report

- P6000FT

Back 8

Indicates RVR greater than highest reportable sensor value.

(Visual range is Plus 6000ft)

Front 9

Decode this RVR report

- R06L/2000V4000FT

Back 9

Runway 06 Left runway visual range varies between 2000 and 4000ft

Front 10

Decode this remark

- SLP013

Back 10

Sea Level Pressure 1001.3 millibars

Front 11

Decode this remark

- T01760158

Back 11

"T" stands for temperature

"0" Means positive value

"1" Means Negative value

Breaks down temperature/dew point to nearest 1/10th degree Celsius

Front 12

AO1

Back 12

Automated Observation without precipitation discriminator (rain/snow)

Front 13

AO2

Back 13

Automated observation with precipitation discriminator (rain/snow)

Front 14

AMD

Back 14

Amended forecast (TAF)

Front 15

BECMG

Back 15

Becoming (expected between 2 digit beginning hour and 2 digit ending hour)

Front 16

BKN

Back 16

Broken 5-7 octas cloud layer

Front 17

CLR

Back 17

Clear at or below 12,000ft

Front 18

COR

Back 18

Correction to the observation

Front 19

FEW

Back 19

>0-2 Octas cloud coverage

Front 20

FM

Back 20

From (4 digit beginning time in hours and minutes

Front 21

LDG

Back 21

Landing

Front 22

M (Temperature Field)

Back 22

Temperature field means minus or negative

Front 23

M (RVR Field)

Back 23

Visibility less than lowest reportable sensor value

Front 24

NO

Back 24

Not available

Front 25

NSW

Back 25

No significant weather

Front 26

OVC

Back 26

8 octas cloud coverage

Front 27

P (RVR Field)

Back 27

Visibility greater than highest reportable sensor value

Front 28

PROB40

Back 28

Probably 40 percent

Front 29

SLP

Back 29

Sea Level Pressure

Front 30

SPECI

Back 30

Special Report

Front 31

TKOF

Back 31

Takeoff

Front 32

VC

Back 32

Vacinity

Front 33

VV

Back 33

Vertical Visibility

Front 34

WS

Back 34

Wind Shear

Front 35

BC

Back 35

Patches

Front 36

BL

Back 36

Blowing

Front 37

DR

Back 37

Low Drifting

Front 38

FZ

Back 38

Supercooled/Freezing

Front 39

MI

Back 39

Shallow

Front 40

PR

Back 40

Partial

Front 41

SH

Back 41

Showers

Front 42

TS

Back 42

Thunderstorms

Front 43

BR

Back 43

Mist

Front 44

DS

Back 44

Dust Storm

Front 45

DU

Back 45

Widespread Dust

Front 46

DZ

Back 46

Drizzle

Front 47

FC

Back 47

Funnel Cloud

Front 48

+FC

Back 48

Tornado/Water Spout

Front 49

FG

Back 49

Fog

Front 50

FU

Back 50

Smoke

Front 51

GR

Back 51

Hail

Front 52

GS

Back 52

Small Hail/Snow Pellets

Front 53

HZ

Back 53

Haze

Front 54

IC

Back 54

Ice Crystals

Front 55

PL

Back 55

Ice Pellets

Front 56

PO

Back 56

Dust/Sand Whirls

Front 57

PY

Back 57

Spray

Front 58

SA

Back 58

Sand

Front 59

RA

Back 59

Rain

Front 60

SG

Back 60

Snow Grains

Front 61

SN

Back 61

Snow

Front 62

SQ

Back 62

Squall

Front 63

SS

Back 63

SandStorm

Front 64

UP

Back 64

Unknown Precipitation

Front 65

VA

Back 65

Volcanic Ash

Front 66

CB

Back 66

Cumulonimbus

Front 67

TCU

Back 67

Towering Cumulus