Osan Air Base

RKSO / OSN

Pyeongtaek, KR

Current TAF Forecast

Raw TAF:
TAF RKSO 1621/1803 30006KT 4800 HZ SKC QNH3013INS BECMG 1700/1701 33006KT 8000 HZ SKC QNH3019INS TX03/1706Z TNM02/1721Z

Detailed TAF Table

Parameter
Sat
13:00Z
+-1h
Sat
14:00Z
+0h
Sat
15:00Z
+1h
Sat
16:00Z
+2h
Sat
17:00Z
+3h
Sat
18:00Z
+4h
Sat
19:00Z
+5h
Sat
20:00Z
+6h
Sat
21:00Z
+7h
Sat
22:00Z
+8h
Sat
23:00Z
+9h
Sun
00:00Z
+10h
Sun
01:00Z
+11h
Sun
02:00Z
+12h
Sun
03:00Z
+13h
Sun
04:00Z
+14h
Sun
05:00Z
+15h
Sun
06:00Z
+16h
Sun
07:00Z
+17h
Sun
08:00Z
+18h
Sun
09:00Z
+19h
Sun
10:00Z
+20h
Sun
11:00Z
+21h
Sun
12:00Z
+22h
Sun
13:00Z
+23h
Sun
14:00Z
+24h
Sun
15:00Z
+25h
Sun
16:00Z
+26h
Sun
17:00Z
+27h
Sun
18:00Z
+28h
Sun
19:00Z
+29h
Sun
20:00Z
+30h
Sun
21:00Z
+31h
Sun
22:00Z
+32h
Sun
23:00Z
+33h
Mon
00:00Z
+34h
Mon
01:00Z
+35h
Mon
02:00Z
+36h
Mon
03:00Z
+37h
Mon
04:00Z
+38h
Mon
05:00Z
+39h
Mon
06:00Z
+40h
Mon
07:00Z
+41h
Mon
08:00Z
+42h
Mon
09:00Z
+43h
Mon
10:00Z
+44h
Mon
11:00Z
+45h
Wind Dir
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
300°
NW
Wind Speed
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
6kt
Visibility
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
4.8 km
Weather
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Haze
HZ
Clouds
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
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
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
Flight Rules IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR
Day/Night
☀️
Day
☀️
Day
🌇 16:54
☀️
Day
🌇 16:54
☀️
Day
🌇 16:54
🌇
Dusk
🌇 16:54
🌙
Night
🌇 16:54
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 07:04
🌙
Night
🌅 07:04
🌅
Dawn
🌅 07:04
☀️
Day
🌅 07:04
☀️
Day
🌅 07:04
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 16:55
☀️
Day
🌇 16:55
☀️
Day
🌇 16:55
🌇
Dusk
🌇 16:55
🌙
Night
🌇 16:55
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 07:03
🌙
Night
🌅 07:03
🌅
Dawn
🌅 07:03
☀️
Day
🌅 07:03
☀️
Day
🌅 07:03
☀️
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
IFR
Wind
300° at 6 kt
Visibility
4.8 km
Weather
Haze
Clouds
CLR
📖 Plain English Explanation:

This is the base forecast condition. Winds from the West-Northwest (300°) at 6kt. Visibility will be moderate at 4.8 km. Weather conditions: Haze. Skies will be clear. Instrument Flight Rules (IFR) conditions - instrument flying required.

BECMG 2026-02-17 00:00:00 - 2026-02-17 01:00:00
MVFR
Wind
330° at 6 kt
Visibility
8 km
Weather
Haze
Clouds
CLR
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the North-Northwest (330°) at 6kt. Visibility will be good at 8 km. Weather conditions: Haze. Skies will be clear. Marginal VFR conditions - some restrictions for visual flying.

📚 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.