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Aviation Weather > METAR & TAF > Flashcards

METAR & TAF Flashcards

1
Q

METAR

A

Meterogical Terminal Aviation Routine Weather Report

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2
Q

TAF

A

Terminal Aerodrome Forecast

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3
Q

Difference between METAR and TAF

A

METAR is the current observation, and TAF is the forecast

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4
Q

Type of METAR reports

A
  1. Aviation routine weather report (METAR)

2. Nonroutine aviation weather report (SPECI)

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5
Q

AUTO

A

Automated weather report - no human intervention

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6
Q

COR

A

Corrected report

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7
Q

A01

A

Automated weather reporting station without precipitation discriminator. Cannot tell difference between liquid and freezing precipitation.

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8
Q

A02

A

Automated station with precipitation discriminator. Can tell difference between liquid and frozen precipitation.

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9
Q

G

A

Gusting

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10
Q

13008KT

A

Wind from 130 degrees at 8 knots

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11
Q

08032G45KT

A

Wind from 080 degrees at 32 knots with gusts to 45 knots

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12
Q

VRB

A

Variable

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13
Q

VRB04KT

A

Wind variable in direction at 4 knots

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14
Q

00000KT

A

Wind calm

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15
Q

210103G130KT

A

Winds from 210 degrees at 103 knots with gusts to 130 knots

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16
Q

280V350

A

Variable group if winds variable by more than 60 degrees, speed greater than 6 knots

Variable between 280 and 350 degrees

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17
Q

PK WND

A

Peak wind (included in remarks when peak wind exceeds 25 knots)

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18
Q

PK WND 28045/1955

A

Peak wind 280 degrees at 45 knots at 1955Z

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19
Q

WSHFT

A

Wind shift. Included in remarks followed by time the wind shift began

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20
Q

WSHFT 30 FROPA

A

Wind shift at 30 minutes past the hour due to frontal passage

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21
Q

7SM

A

Visibility 7 Statute miles

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22
Q

M1/4SM

A

Visibility less than 1/4 SM

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23
Q

VIS 1V2

A

Visibility variable between 1 and 2 statute miles

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24
Q

VIS N2

A

Sector visibility. Visibility north 2 statute miles

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25
Q

R32L/1200FT

A

Runway 32 left, runway visual range 1,200 feet

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26
Q

R27R/M1000V4000FT

A

Runway two seven right RVR variable fro, less than 1000 to 4000 ft

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27
Q

RVR

A

Runway visual range

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28
Q

-

A

Light intensity. Applies only to precipitation

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29
Q

No intensity symbol

A

Moderate intensity. Applies only to precipitation

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30
Q

+

A

Heavy intensity. Applies only to precipitation

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31
Q

VC

A

Vicinity. Proximity of 5 to 10 statute miles of observing station

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32
Q

TS

A

Thunderstorm

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33
Q

DR

A

Low drifting

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34
Q

SH

A

Showers

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35
Q

MI

A

Shallow

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36
Q

FZ

A

Freezing

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37
Q

BC

A

Patches

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38
Q

BL

A

Blowing

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39
Q

PR

A

Partial

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40
Q

RA

A

Rain

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41
Q

DZ

A

Drizzle

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42
Q

SN

A

Snow

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43
Q

GR

A

Hail (1/4” +)

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44
Q

GS

A

Small hail or snow pellets

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45
Q

PL

A

Ice pellets

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46
Q

SG

A

Snow grains

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47
Q

IC

A

Ice crystals

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48
Q

UP

A

Unknown precipitation

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49
Q

FG

A

Fog (VIS less than 5/8 mile)

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50
Q

HZ

A

Haze

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51
Q

FU

A

Smoke

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52
Q

PY

A

Spray

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53
Q

BR

A

Mist (VIS 5/8 - 6SM)

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54
Q

SA

A

Sand

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55
Q

DU

A

Dust

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56
Q

VA

A

Volcanic ash

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57
Q

SQ

A

Squall

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58
Q

SS

A

Sandstorm

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59
Q

DS

A

Dust storm

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60
Q

PO

A

Dust/sand whirls

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61
Q

FC

A

Funnel cloud

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62
Q

+FC

A

Tornado/ waterspout

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63
Q

TSRA

A

Thunderstorm with moderate rain

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64
Q

+SN

A

Heavy snow

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65
Q

-RA FG

A

Light rain and fog

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66
Q

BRHZ

A

Mist and haze . VIS 5/8 mile +

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67
Q

FZDZ

A

Freezing drizzle

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68
Q

VCSH

A

Rain shower in vicinity

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69
Q

+SHRASNPL

A

Heavy rain shower, snow and ice pellets

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70
Q

SKC

A

Clear, no clouds. Reported at manual stations

71
Q

CLR

A

No clouds below 12,000 ft. Automated station

72
Q

FEW

A

Cloud coverage 0 to 2/8

73
Q

SCT

A

Scattered 3/8 to 4/8 of clouds

74
Q

BKN

A

Broken. 5/8 to 7/8 of clouds

75
Q

OVC

A

Overcast, 8/8 of clouds

76
Q

CB

A

Cumulonimbus clouds

77
Q

TCB

A

Towering cumulous clouds

78
Q

SCT025TCU BKN080 BKN250

A

2,500 scattered towering cumulus, ceiling eight thousand broken, 25,000 broken

79
Q

SCT008 OVC012CB

A

800 scattered, ceiling 1,200 overcast cumulonimbus clouds

80
Q

VV

A

Vertical visibility. Height into indefinite ceiling.

81
Q

1/8SM FG VV006

A

Visibility one eight of statute mile, fog, indefinite ceiling at 600 ft

82
Q

CIG

83
Q

BKN0000

A

Sky partial be obscured

84
Q

FU BKN0000

A

Smoke obscuring 5/8 to 7/8 of sky

85
Q

BKN020

A

Ceiling 2,000 broken

86
Q

RMK FU BKN020

A

Broken layer of smoke aloft based at two thousand ft

87
Q

CIG 005V010

A

Ceiling variable between 500 and 1000 ft

88
Q

CIG 020 RY11

A

Ceiling 2,000 at runway 11

89
Q

SCT V BKN

A

Scattered layer variable to broken

90
Q

BKN025 V OVC

A

Broken layer at 2,500 variable to overcast

91
Q

CBMAM

A

Cumulonimbus mammatus

92
Q

DSNT

A

Distant. Greater than 10 SM

93
Q

CB W MOV E

A

Cumulonimbus west moving east

94
Q

CBMAM DSNT S

A

Cumulonimbus mammatus distant south

95
Q

TCU OHD

A

Towering cumulous overhead

96
Q

TCU W

A

Towering cumulous west

97
Q

ACC

A

Altocumulus castellanus

98
Q

SCSL

A

Stratocumulus standing lenticular

99
Q

ACSL

A

Altocumulus standing lenticular

100
Q

CCSL

A

Cirrocumulus standing lenticular

101
Q

ACC W

A

Altocumulus castellanus west

102
Q

ACSL SW-S

A

Standing lenticular altocumulus southwest through South

103
Q

APRNT ROTOR CLD S

A

Apparent rotor cloud South

104
Q

CCSL OVR MT E

A

Standing lenticular cirrocumulus over mountains east

105
Q

M

106
Q

15/08

A

Temp 15C / dew point 08C

107
Q

00/M02

A

Temp 0C / dew point -2C

108
Q

M05/

A

Temp -5C / dew point missing

109
Q

A

110
Q

A2995

A

Altimeter 29.95

111
Q

RMK

112
Q

TWR VIS 1/2

A

Tower visibility 1/2 statute mile

113
Q

SFC VIS 1/2

A

Surface visibility 1/2 statute mile

114
Q

CG

A

Cloud to ground lightning

115
Q

IC

A

In cloud lightening

116
Q

CC

A

Cloud to cloud lightening

117
Q

CA

A

Cloud to air lightening. Not to ground

118
Q

OCNL

A

Occasional. Less than 1 lightening strike per minute

119
Q

FRQ

A

Frequent. 6 or more lightening flashes per minute.

120
Q

CONS

A

Constant. More than 6 flashes per minute

121
Q

LT

A

Lightening

122
Q

LTG

A

Lightening

123
Q

B

124
Q

E

125
Q

PRESRR

A

Pressure rising

126
Q

PRESFR

A

Pressure falling

127
Q

NOSPECI

A

No special report between hourly METAR reports

128
Q

SNINCR 3/15

A

Snow increasing 3 inches in last hour, 15 inches on ground

129
Q

P####

A

Precipitation in the last hour

130
Q

T########

A

Hourly temperature

131
Q

T10671100

A

Temperature last hour -6.7C and dew point -10C

132
Q

$

A

Maintenance needed on automated station

133
Q

PWINO

A

Present weather identifier sensor not working

134
Q

PNO

A

Tipping bucket rain gauge not working

135
Q

FZRANO

A

Freezing rain sensor not working

136
Q

TSNO

A

Lightening sensor not working

137
Q

VISNO LOC

A

Secondary visibility sensor not working

138
Q

CHINO LOC

A

Secondary ceiling height sensor not working

139
Q

1####

A

Six hour maximum temperature

140
Q

10272

A

Six hour max temp of 27.2C

141
Q

2####

A

6 hour minimum temp in tenths of degrees

142
Q

20211

A

6 hour minimum temp of 21.1C

143
Q

4/###

A

Snow depth in inches

144
Q

4/011

A

Snow depth of 11 inches

145
Q

4########

A

24 hour max and min temps in tenths of degree C

146
Q

400121023

A

24 hrs max temp of 2.1C and min temp of -2.3C

147
Q

5####

A

3 hour pressure tendency

148
Q

52032

A

Pressure increasing 3.2mb

149
Q

6####

A

3 and 6 hr precipitation amount

150
Q

7####

A

24 hour precipitation amount

151
Q

8/#####

A

Cloud types - low, med, high

152
Q

933###

A

Water equivalent of snow on ground

153
Q

984##

A

Duration of sunshine in minutes

154
Q

How many times a day are TAFs issued?

A

4 times, every 6 hours

155
Q

Forecast period for TAF

A

24 hours standard (other 30 hours)

156
Q

RTD

A

Delayed TAF report

157
Q

FM

158
Q

TEMPO

159
Q

P6SM

A

On TAF , visibility greater than 6 statute miles

160
Q

What does NSW mean, and to what does it apply?

A

No significant weather. Only applies to weather phenomena. Sky conditions/viability/ winds carry from previous time group if omitted.

161
Q

WS

A

Wind shear. Only up to 2,000 ft

162
Q

WS010/18040KT

A

Low level wind shear at 1,000; 180 degrees at 40 knots

163
Q

PROB

A

Probability

164
Q

PROB30

A

Probability between 30-39%

165
Q

PROB40 2221/2302 1/2SM +TSRA

A

Chance between 2200z and 0200z of visibility of 1/2 statute mile in thunderstorms and heavy rain

166
Q

When is FM used

A

When a rapid change, usually occurring in less than 1 hour, in prevailing conditions is expected

167
Q

FM210100 14010KT P6SM SKC

A

After 0100Z on the 21st, wind 140 degrees at 10 knots, visibility more than 6 statute miles, sky clear

168
Q

BECMG

169
Q

When is BECMG used

A

Gradual change in conditions is expected over a longer period of time, usually 2 hours.

170
Q

OVC012 BECMG 0114/0116 BKN020

A

Ceiling 1,200 overcast, gradual change to 2,000 broken between 1400Z and 1600Z on the 1st

171
Q

When is TEMPO used

A

Used for any wind, visibility weather or sky condition that is expected generally to last for less than 1 hour. Only the temp changing conditions are included with the statement

172
Q

SCT030 TEMPO 0519/0523 BKN030

A

Scattered at 3,000 with occasional ceilings of 3,000 broken between 1900Z and 2300Z on the 5th

173
Q

4SM HZ TEMPO 1900/1906 2SM BR HZ

A

Visibility 4 statute miles in haze with occasional visibility of 2 statute miles in mist and haze between 0000Z and 0600Z on the 19th

Aviation Weather (1 decks)

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