Gral. Bernardo O´Higgins Airport

SCCH / YAI

Chillan, CL

Current TAF Forecast

Raw TAF:
TAF SCCH 151100Z 1512/1524 01015KT 8000 SCT008 OVC010 TX18/1519Z TN16/1512Z BECMG 1512/1514 3000 RA BKN005 OVC008 TEMPO 1514/1518 01018G28KT

Detailed TAF Table

Parameter
Sun
12:00Z
+-1h
Sun
13:00Z
+0h
Sun
14:00Z
+1h
Sun
15:00Z
+2h
Sun
16:00Z
+3h
Sun
17:00Z
+4h
Sun
18:00Z
+5h
Sun
19:00Z
+6h
Sun
20:00Z
+7h
Sun
21:00Z
+8h
Sun
22:00Z
+9h
Wind Dir
10°
N
10°
N
10°
N
10°
N
10°
N
10°
N
10°
N
10°
N
10°
N
10°
N
10°
N
Wind Speed
15 kt
15 kt
18 kt
G28 kt
18 kt
G28 kt
18 kt
G28 kt
18 kt
G28 kt
15 kt
15 kt
15 kt
15 kt
15 kt
Visibility
8 km
8 km
3 km
3 km
3 km
3 km
3 km
3 km
3 km
3 km
3 km
Weather
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Rain
RA
Rain
RA
Rain
RA
Rain
RA
Rain
RA
Clouds
SCT008
OVC010
SCT008
OVC010
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
BKN005
OVC008
BKN005
OVC008
BKN005
OVC008
BKN005
OVC008
BKN005
OVC008
Ceiling
1,000 ft
AGL
1,000 ft
AGL
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
Flight Rules MVFR MVFR VFR VFR VFR VFR IFR IFR IFR IFR IFR
Day/Night
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 18:09Z
☀️
Day
🌇 18:09Z
☀️
Day
🌇 18:09Z
🌙
Night
🌇 18:09Z
🌙
Night
🌇 18:09Z
🌙
Night
🌙
Night
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
10° at 15 kt
Visibility
8 km
Clouds
SCT008 OVC010
📖 Plain English Explanation:

This is the base forecast condition. Winds from the North (10°) at 15 kt. Visibility will be good at 8 km. Scattered clouds at 800 feet, Overcast skies at 1000 feet. Marginal VFR conditions - some restrictions for visual flying.

BECMG 12:00Z - 14:00Z
IFR
Visibility
3 km
Weather
Rain
Clouds
BKN005 OVC008
📖 Plain English Explanation:

Conditions will gradually change to become: Visibility will be moderate at 3 km. Weather conditions: Rain. Broken clouds at 500 feet, Overcast skies at 800 feet. Instrument Flight Rules (IFR) conditions - instrument flying required.

TEMPO 14:00Z - 18:00Z
VFR
Wind
10° at 18 kt
Gusts: 28 kt
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Winds from the North (10°) at 18 kt. Gusts up to 28 kt are expected. 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.