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110 Cards in this Set
- Front
- Back
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Intensity "+" |
heavy |
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Intensity "-" |
light |
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Intensity "(no sign)" |
moderate |
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VC -DS |
duststorm |
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VC -SS |
sandstorm |
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VC -FG |
fog |
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VC -SH |
shower |
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VC -PO |
dust or sand swirls |
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VC -BLDU |
blowing dust |
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VC -BLSA |
blowing sand |
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VC - BLSU |
blowing snow |
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VC - FC |
tornado, waterspout or funnel clouds |
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VC |
proximity qualifier |
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Descriptor - MI |
shallow |
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Descriptor - BC |
patches |
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Descriptor - DR |
drifting |
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Descriptor - BL |
blowing |
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Descriptor - SH |
shower(s) |
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Descriptor - TH |
thunderstorm |
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Descriptor - PR |
partial |
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Descriptor - FZ |
freezing |
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Precipitation - DR |
drizzle |
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Precipitation - RA |
rain |
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Precipitation - SN |
snow |
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Precipitation - SG |
snow grains |
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Precipitation - PL |
ice pellets |
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Precipitation - GR |
hail |
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Precipitation - GS |
snow pellets |
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Precipitation - IC |
ice crystals |
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Precipitation - UP |
unknown precipitation (auto) |
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Obscuration - HZ |
haze |
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Obscuration - FU |
smoke |
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Obscuration - SA |
sand |
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Obscuration - DU |
dust |
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Obscuration - FG |
fog (visibility less than 5/8) |
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Obscuration - VSBY |
visibility |
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okta |
a unit of measurement used to describe the amount of cloud cover at any given location. this ranges from 0 (clear sky) to 8 (overcast). |
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Obscuration - BR |
mist (visibility greater than or equal to 5/8) |
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Obscuration - VA |
volcanic ash |
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Other Obscuration - PO |
dust or sand whirls |
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Other Obscuration - SS |
sandstorm |
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Other Obscuration - DS |
duststorm |
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Other Obscuration - SQ |
squalls |
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Other Obscuration - +FC |
tornado or watersprout |
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Other Obscuration - FC |
funnel cloud |
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Clouds - CLR |
sky clear |
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Clouds - SKC |
sky clear; no cloud present |
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Clouds - FEW |
trace to 2 oktas |
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Clouds - SCT |
scattered clouds; 3 to 4 oktas |
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Clouds - BKN |
broken clouds; 5 to less than 8 oktas |
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Clouds - OVC |
overcast; 8 oktas |
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METAR |
Meteorological Aerodrome Report. reports are generated once an hour or half-hour. |
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TAF |
Terminal Aerodrome Forecast. issued every six hours for major civil airfields. apply to a 24- or 30-hour period, and an area within approximately 5NM from the center of an airport runway complex. |
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SPECI |
Special. a METAR report with conditions change significantly that are not in METAR intervals. |
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Clouds - CB |
cumulonimbus |
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Clouds - TCU |
towering cumulus |
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Height Of Layer - 001 |
100 feet |
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Height Of Layer - 010 |
1000 feet |
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Height Of Layer - 110 |
11 000 feet |
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Height Of Layer - 405 |
40 500 feet |
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Height Of Layer - CAVOK |
Ceiling And Visibility OK (not in Canada) |
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VV |
vertical visibility |
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VV040 |
sky is obscured, vertical visibility is 4 000 feet |
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M##/## |
negative value of temperature and dewpoint |
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##/?? |
dewpoint temperature |
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??/## |
air temperature in celcius |
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M01/02 |
air temperature of -1C, dewpoint temperature of 2C. |
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A#### |
altimeter setting in inches of mercury |
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Q#### |
altimeter setting in hectopascals |
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A???? |
altimeter setting of ##.## inches of mercury |
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A2992 |
altimeter setting of 29.92 inches of mercury |
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RE |
recent weather |
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RWY?? |
runway number |
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WS |
wind shear - used to report low level shear (1.6K feet AGL) on take off and approach path. |
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WS RWY20R |
wind shear at runway 20, right |
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WS ALL RWY |
wind shear on all runways |
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RMK |
remark(s) - includes info on cloud type and layer opacity (oktas), sea level pressure (SLP) in hectopascals and other remarks. |
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SLP |
sea level pressure in hectopascals |
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Cloud Types - CI |
cirrus |
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Cloud Types - ST |
stratus |
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Cloud Types - CS |
cirrostratus |
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Cloud Types - SF |
strato fractus |
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Cloud Types - CC |
cirrocumulus |
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Cloud Types - SC |
stratocumulus |
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Cloud Types - AS |
altostratus |
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Cloud Types - CU |
cumulus |
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Cloud Types - AC |
altocumulus |
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Cloud Types - CF |
cumulus fractus |
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Cloud Types - ACC |
altocumulus castellanus |
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Cloud Types - TCU |
towering cumulus |
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Cloud Types - NS |
nimbostratus |
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Cloud Types - CB |
cumunolimbus |
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Station Identifier - Y or Z |
reporting station co-located with an airport |
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Station Identifier - W |
reporting station not located on airport |
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Station Identifier - U |
reporting station co-located with a radio beacon |
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??####Z |
date of the ##th day of the month |
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##????Z |
report taken at ##:## Zulu time. EST is 5 or 4(DST) hours behind. |
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Z |
Zulu time, UTC (CoordinatedUniversal Time), or time in Greenwich, UK. |
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Wind and Gust Information |
2 minute mean wind direction and speed. information of gusts is also given |
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G |
gusts (from and up to) |
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KMH |
kilometers per hour |
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KT |
knots per second |
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MPS |
meters per second |
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???##G##KT |
true magnetic direction where the wind is blowing |
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080##G##KT |
wind gusting from 80 degrees true |
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130##G##KT |
wind gusting from 130 degrees true |
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VRB |
variable |
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200VRB230 |
wind varying from 200 degrees true to 230 degrees true |
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SM |
statute miles |
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1/3SM |
prevailing visibility of 1/3 of a statute mile |
