Chiang Mai International Airport

VTCC / CNX

Chiang Mai, TH

Current TAF Forecast

Raw TAF:
TAF VTCC 040500Z 0406/0512 17005KT 8000 SCT035 BECMG 0409/0411 27005KT BECMG 0412/0414 35005KT BECMG 0501/0503 18005KT BECMG 0510/0512 25005KT

Detailed TAF Table

Parameter
Wed
06:00Z
+-1h
Wed
07:00Z
+0h
Wed
08:00Z
+1h
Wed
09:00Z
+2h
Wed
10:00Z
+3h
Wed
11:00Z
+4h
Wed
12:00Z
+5h
Wed
13:00Z
+6h
Wed
14:00Z
+7h
Wed
15:00Z
+8h
Wed
16:00Z
+9h
Wed
17:00Z
+10h
Wed
18:00Z
+11h
Wed
19:00Z
+12h
Wed
20:00Z
+13h
Wed
21:00Z
+14h
Wed
22:00Z
+15h
Wed
23:00Z
+16h
Thu
00:00Z
+17h
Thu
01:00Z
+18h
Thu
02:00Z
+19h
Thu
03:00Z
+20h
Thu
04:00Z
+21h
Thu
05:00Z
+22h
Thu
06:00Z
+23h
Thu
07:00Z
+24h
Thu
08:00Z
+25h
Thu
09:00Z
+26h
Thu
10:00Z
+27h
Wind Dir
170°
S
170°
S
170°
S
270°
W
270°
W
270°
W
350°
N
350°
N
350°
N
350°
N
350°
N
350°
N
350°
N
350°
N
350°
N
350°
N
350°
N
350°
N
350°
N
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
250°
W
Wind Speed
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
Visibility
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
8 km
Weather
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Clouds
SCT035
SCT035
SCT035
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
Ceiling
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
Flight Rules MVFR MVFR MVFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
Day/Night
🌅
Dawn
🌅 06:12Z
☀️
Day
🌅 06:12Z
☀️
Day
🌅 06:12Z
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 17:47Z
☀️
Day
🌇 17:47Z
☀️
Day
🌇 17:47Z
🌇
Dusk
🌇 17:47Z
🌙
Night
🌇 17:47Z
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 06:11Z
🌙
Night
🌅 06:11Z
🌅
Dawn
🌅 06:11Z
☀️
Day
🌅 06:11Z
☀️
Day
🌅 06:11Z
☀️
Day
☀️
Day
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 occurrenceAGL: Above Ground Level

Forecast Periods

BASE
MVFR
Wind
170° at 5 kt
Visibility
8 km
Clouds
SCT035
📖 Plain English Explanation:

This is the base forecast condition. Winds from the South (170°) at 5 kt. Visibility will be good at 8 km. Scattered clouds at 3500 feet. Marginal VFR conditions - some restrictions for visual flying.

BECMG 09:00Z - 11:00Z
VFR
Wind
270° at 5 kt
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the West (270°) at 5 kt. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 12:00Z - 14:00Z
VFR
Wind
350° at 5 kt
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the North (350°) at 5 kt. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 01:00Z - 03:00Z
VFR
Wind
180° at 5 kt
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the South (180°) at 5 kt. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 10:00Z - 12:00Z
VFR
Wind
250° at 5 kt
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the West-Southwest (250°) at 5 kt. 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.