Calgary International Airport

CYYC / YYC

Calgary, CA

Current TAF Forecast

Raw TAF:
TAF CYYC 100840Z 1009/1106 32008KT P6SM BKN060 BKN100 TEMPO 1009/1014 6SM SHRA BR SCT015 OVC040 BECMG 1011/1013 34010G20KT FM101400 34012G22KT P6SM -RA BKN030 OVC060 TEMPO 1014/1020 3SM -RA BR SCT007 OVC020 FM102000 34015G25KT P6SM BKN040 BKN080 TEMPO 1020/1103 P6SM -SHRA PROB30 1020/1023 6SM TSRA OVC025CB FM110300 32012KT P6SM BKN050 BKN180 TEMPO 1103/1106 P6SM -SHRA OVC040 RMK NXT FCST BY 101200Z

Detailed TAF Table

Parameter
Wed
10:00Z
+-1h
Wed
11:00Z
+0h
Wed
12:00Z
+1h
Wed
13:00Z
+2h
Wed
14:00Z
+3h
Wed
15:00Z
+4h
Wed
16:00Z
+5h
Wed
17:00Z
+6h
Wed
18:00Z
+7h
Wed
19:00Z
+8h
Wed
20:00Z
+9h
Wed
21:00Z
+10h
Wed
22:00Z
+11h
Wed
23:00Z
+12h
Thu
00:00Z
+13h
Thu
01:00Z
+14h
Thu
02:00Z
+15h
Thu
03:00Z
+16h
Thu
04:00Z
+17h
Wind Dir
320°
NW
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
Wind Speed
8 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
10 kt
G20 kt
Visibility
>6SM
>6SM
>6SM
>6SM
3SM
3SM
3SM
3SM
3SM
3SM
6SM
6SM
6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
Weather
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Light Rain, Mist
-RA BR
Light Rain, Mist
-RA BR
Light Rain, Mist
-RA BR
Light Rain, Mist
-RA BR
Light Rain, Mist
-RA BR
Light Rain, Mist
-RA BR
Thunderstorm Rain
TSRA
30%
Thunderstorm Rain
TSRA
30%
Thunderstorm Rain
TSRA
30%
Light Showers Rain
-SHRA
Light Showers Rain
-SHRA
Light Showers Rain
-SHRA
Light Showers Rain
-SHRA
Light Showers Rain, FCST
-SHRA FCST
Light Showers Rain, FCST
-SHRA FCST
Clouds
BKN060
BKN100
☀️ CLR
☀️ CLR
☀️ CLR
SCT007
OVC020
SCT007
OVC020
SCT007
OVC020
SCT007
OVC020
SCT007
OVC020
SCT007
OVC020
OVC025CB
OVC025CB
OVC025CB
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
OVC040
OVC040
Ceiling
6,000 ft
AGL
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,500 ft
AGL
2,500 ft
AGL
2,500 ft
AGL
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
4,000 ft
AGL
4,000 ft
AGL
Flight Rules VFR VFR VFR VFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR VFR VFR VFR VFR VFR VFR
Day/Night
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 19:31Z
☀️
Day
🌇 19:31Z
☀️
Day
🌇 19:31Z
🌇
Dusk
🌇 19:31Z
🌙
Night
🌇 19:31Z
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 04:28Z
🌙
Night
🌅 04:28Z
🌅
Dawn
🌅 04:28Z
Flight Rules
VFR: Visual Flight Rules
MVFR: Marginal VFR
IFR: Instrument Flight Rules
LIFR: Low IFR
Ceiling Colors
Red: < 500ft
Amber: 500-1000ft
Blue: 1000-3000ft
Green: > 3000ft
⛈️ TCU: Towering Cumulus
🌩️ CB: Cumulonimbus
+Nh: Hours from now • %: Probability of occurrence • AGL: Above Ground Level

Forecast Periods

BASE
VFR
Wind
320° at 8 kt
Visibility
>6SM
Clouds
BKN060 BKN100
📖 Plain English Explanation:

This is the base forecast condition. Winds from the Northwest (320°) at 8 kt. Visibility will be excellent at more than 6SM. Broken clouds at 6000 feet, Broken clouds at 10000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

TEMPO 09:00Z - 14:00Z
VFR
Visibility
6SM
Weather
Showers Rain, Mist
Clouds
SCT015 OVC040
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Visibility will be excellent at 6SM. Weather conditions: Showers Rain, Mist. Scattered clouds at 1500 feet, Overcast skies at 4000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 11:00Z - 13:00Z
VFR
Wind
340° at 10 kt
Gusts: 20 kt
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the North-Northwest (340°) at 10 kt. Gusts up to 20 kt are expected. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM101400 14:00Z - 20:00Z
VFR
Wind
340° at 12 kt
Gusts: 22 kt
Visibility
>6SM
Weather
Light Rain
Clouds
BKN030 OVC060
📖 Plain English Explanation:

Winds from the North-Northwest (340°) at 12 kt. Gusts up to 22 kt are expected. Visibility will be excellent at more than 6SM. Weather conditions: Light Rain. Broken clouds at 3000 feet, Overcast skies at 6000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

TEMPO 14:00Z - 20:00Z
MVFR
Visibility
3SM
Weather
Light Rain, Mist
Clouds
SCT007 OVC020
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Visibility will be good at 3SM. Weather conditions: Light Rain, Mist. Scattered clouds at 700 feet, Overcast skies at 2000 feet. Marginal VFR conditions - some restrictions for visual flying.

FM102000 20:00Z - 02:00Z
VFR
Wind
340° at 15 kt
Gusts: 25 kt
Visibility
>6SM
Clouds
BKN040 BKN080
📖 Plain English Explanation:

Winds from the North-Northwest (340°) at 15 kt. Gusts up to 25 kt are expected. Visibility will be excellent at more than 6SM. Broken clouds at 4000 feet, Broken clouds at 8000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

TEMPO 20:00Z - 03:00Z
VFR
Visibility
>6SM
Weather
Light Showers Rain
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Visibility will be excellent at more than 6SM. Weather conditions: Light Showers Rain. Conditions will be suitable for Visual Flight Rules (VFR) operations.

PROB30 20:00Z - 23:00Z
MVFR
Visibility
6SM
Weather
Thunderstorm Rain
Clouds
OVC025CB
📖 Plain English Explanation:

There is a 30% probability of: Visibility will be excellent at 6SM. Weather conditions: Thunderstorm Rain. Overcast skies at 2500 feet. Marginal VFR conditions - some restrictions for visual flying.

FM110300 03:00Z - 09:00Z
VFR
Wind
320° at 12 kt
Visibility
>6SM
Clouds
BKN050 BKN180
📖 Plain English Explanation:

Winds from the Northwest (320°) at 12 kt. Visibility will be excellent at more than 6SM. Broken clouds at 5000 feet, Broken clouds at 18000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

TEMPO 03:00Z - 06:00Z
VFR
Visibility
>6SM
Weather
Light Showers Rain, FCST
Clouds
OVC040
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Visibility will be excellent at more than 6SM. Weather conditions: Light Showers Rain, FCST. Overcast skies at 4000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

📚 Understanding TAF Forecasts

Terminal Aerodrome Forecast (TAF) provides detailed weather forecasts specifically for aviation operations. Our system translates complex meteorological codes into plain English to help pilots of all experience levels understand forecasted conditions.

What TAF Includes:

  • • Wind direction, speed, and gusts
  • • Visibility in statute miles or kilometers
  • • Weather phenomena (rain, snow, fog, thunderstorms)
  • • Cloud coverage types and altitudes
  • • Forecast changes with timing
  • • Flight rules categories (VFR/IFR)

Change Indicators Explained:

  • • BASE - Main forecast conditions
  • • FM - Permanent change from specific time
  • • BECMG - Gradual change over 2-4 hours
  • • TEMPO - Temporary changes (less than 1 hour)
  • • PROB30/40 - 30% or 40% probability

🛩️ Flight Rules Categories

VFR

Visual Flight Rules

  • • Ceiling ≥ 3000 ft
  • • Visibility ≥ 5 miles
  • • Good for visual flying

MVFR

Marginal VFR

  • • Ceiling 1000-3000 ft
  • • Visibility 3-5 miles
  • • Caution for VFR

IFR

Instrument Flight Rules

  • • Ceiling 500-1000 ft
  • • Visibility 1-3 miles
  • • Instruments required

LIFR

Low IFR

  • • Ceiling < 500 ft
  • • Visibility < 1 mile
  • • Challenging conditions

💡 TAF Reading Tips

For Student Pilots:

  • • Focus on the plain English explanations above
  • • Pay attention to flight rules categories
  • • Look for wind direction relative to runway headings
  • • Check for temporary conditions (TEMPO)

For Experienced Pilots:

  • • Cross-reference with raw TAF for precise timing
  • • Consider probability forecasts for alternate planning
  • • Monitor BECMG periods for gradual changes
  • • Always check current METAR vs TAF forecast

Important: TAF forecasts should always be supplemented with current METAR observations, PIREPs, and other weather information for complete situational awareness. Weather can change rapidly, and forecasts have inherent limitations.