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Flight School > Weather Time Tables > Flashcards

Weather Time Tables Flashcards

1
Q

Terminal Aerodrome Forecasts (TAF)

A

Four times daily
00Z, 06Z, 12Z, 18Z
Valid for 24 or 30 hours

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2
Q

Weather Briefings

A

Standard
Abbreviated
Outlook

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3
Q

METAR

A

Hourly

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4
Q

METAR - SPECI

A 
Special METAR
Issued to report special circumstances
Wind speed direction 45 degrees
Visibility 3, 2, 1 miles
Ceiling 3000', 1000', 500'
Rain, thunderstorms, hail etc.
Aircraft accident
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5
Q

Radar Imagry

A

Updates:
10 min in clear air mode
4-6 min in precipitation mode

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6
Q

Surface Analysis Charts

5 Regions

A 
HPC - Conus
OPC - Atlantic & Pacific Oceans
TPC - Tropical
AAWU - Alaska
WFO HNL - Hawaii
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7
Q

HPC Surface Analysis Chart Schedule

A

Every 3 hours

00, 03, 06, 09, 12, 15, 18, 21 UTC

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8
Q

HPC

A

Hydrometeorological Prediction Center

Located in Maryland.

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9
Q

Constant Pressure Charts

A

Twice daily record of Radiosonde data.

Always 00, and 12 UTC collected worldwide

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10
Q

Freezing Level Graphics Schedule

A

Initial and 3, 6, 9, 12 hour forecasts
Initial and 3 hour updated hourly
6, 9, 12 updated every 3 hours

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11
Q

Weather Depiction Chart

A

Plot of METARS
Issued 8 times daily at:
1, 4, 7, 10, 13, 16, 19, 22 UTC

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12
Q

SIGMET

A

Issued as needed

Updated every 4 hours

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13
Q

Convective SIGMET

A

Issued hourly

Valid for 2 hours or when superseded by next issuance.

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14
Q

AIRMET - Schedule

A

Issued 4 times daily at:
0255, 0855, 1455, 2055
Valid for 6 hours

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15
Q

AIRMET - Phenomena

A

Sierra - IFR or mountain obscuration
Tango - Moderate Turbulence
Zulu - Moderate Icing

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16
Q

G-AIRMET (Graphical AIRMET) Schedule

A

Issued every 6 hours at:

0255, 0855, 1455, 2055

17
Q

G-AIRMET Snapshots

A

Initial, 3, 6, 9, and 12 hour forecasts

18
Q

CWA - Center Weather Advisory

A

Issued before a phenomenon becomes an AIRMET or SIGMET

19
Q

Convective Outlooks - Schedule

A

Day 1 - 5 times daily
Day 2 - 2 times
Day 3 - once
Valid for 12 hours

20
Q

Area Forecasts (FA)

A 
SFO 3 times daily
1145, 2045, 0345 UTC
0345, 1245, 1945 PST
3 Parts:
18 hour Synopsis
12 hour specific
6 hour category after specific timeframe

Flight School (25 decks)

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