Yokota Air Base

RJTY / OKO

Fussa, JP

Current TAF Forecast

Raw TAF:
TAF RJTY 042000Z 0421/0603 09003KT 9999 SCT006 BKN010 OVC060 QNH2989INS TEMPO 0421/0502 6000 -RA BKN006 BECMG 0502/0503 18010G15KT 9999 NSW SCT010 BKN020 QNH2987INS BECMG 0519/0520 VRB06KT 8000 -RA BKN005 OVC012 QNH2989INS TX24/0505Z TN20/0520Z

Detailed TAF Table

Parameter
Sat
23:00Z
+-1h
Sun
00:00Z
+0h
Sun
01:00Z
+1h
Sun
02:00Z
+2h
Sun
03:00Z
+3h
Sun
04:00Z
+4h
Sun
05:00Z
+5h
Sun
06:00Z
+6h
Sun
07:00Z
+7h
Sun
08:00Z
+8h
Sun
09:00Z
+9h
Sun
10:00Z
+10h
Sun
11:00Z
+11h
Sun
12:00Z
+12h
Sun
13:00Z
+13h
Sun
14:00Z
+14h
Sun
15:00Z
+15h
Sun
16:00Z
+16h
Sun
17:00Z
+17h
Sun
18:00Z
+18h
Sun
19:00Z
+19h
Sun
20:00Z
+20h
Sun
21:00Z
+21h
Sun
22:00Z
+22h
Sun
23:00Z
+23h
Mon
00:00Z
+24h
Mon
01:00Z
+25h
Wind Dir
90°
E
90°
E
90°
E
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
VRB
VRB
VRB
VRB
VRB
VRB
VRB
Wind Speed
3 kt
3 kt
3 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
10 kt
G15 kt
6 kt
G15 kt
6 kt
G15 kt
6 kt
G15 kt
6 kt
G15 kt
6 kt
G15 kt
6 kt
G15 kt
6 kt
G15 kt
Visibility
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ 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
Light Rain
-RA
Light Rain
-RA
Light Rain
-RA
Light Rain
-RA
Light Rain
-RA
Light Rain
-RA
Light Rain
-RA
Clouds
SCT006
BKN010
SCT006
BKN010
SCT006
BKN010
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
SCT010
BKN020
BKN005
OVC012
BKN005
OVC012
BKN005
OVC012
BKN005
OVC012
BKN005
OVC012
BKN005
OVC012
BKN005
OVC012
Ceiling
1,000 ft
AGL
1,000 ft
AGL
1,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
Flight Rules MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR IFR IFR IFR IFR IFR IFR IFR
Day/Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 04:51Z
🌙
Night
🌅 04:51Z
🌙
Night
🌅 04:51Z
☀️
Day
🌅 04:51Z
☀️
Day
🌅 04:51Z
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 19:08Z
☀️
Day
🌇 19:08Z
☀️
Day
🌇 19:08Z
🌙
Night
🌇 19:08Z
🌙
Night
🌇 19:08Z
🌙
Night
🌙
Night
🌙
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 occurrence • AGL: Above Ground Level

Forecast Periods

BASE
MVFR
Wind
90° at 3 kt
Visibility
10+ km
Clouds
SCT006 BKN010 OVC060
📖 Plain English Explanation:

This is the base forecast condition. Winds from the East (90°) at 3 kt. Visibility will be excellent at 10+ km. Scattered clouds at 600 feet, Broken clouds at 1000 feet, Overcast skies at 6000 feet. Marginal VFR conditions - some restrictions for visual flying.

TEMPO 21:00Z - 02:00Z
IFR
Visibility
6 km
Weather
Light Rain
Clouds
BKN006
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Visibility will be good at 6 km. Weather conditions: Light Rain. Broken clouds at 600 feet. Instrument Flight Rules (IFR) conditions - instrument flying required.

BECMG 02:00Z - 03:00Z
MVFR
Wind
180° at 10 kt
Gusts: 15 kt
Visibility
10+ km
Clouds
SCT010 BKN020
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the South (180°) at 10 kt. Gusts up to 15 kt are expected. Visibility will be excellent at 10+ km. Scattered clouds at 1000 feet, Broken clouds at 2000 feet. Marginal VFR conditions - some restrictions for visual flying.

BECMG 19:00Z - 20:00Z
IFR
Wind
VRB° at 6 kt
Visibility
8 km
Weather
Light Rain
Clouds
BKN005 OVC012
📖 Plain English Explanation:

Conditions will gradually change to become: Winds will be variable in direction at 6 kt. Visibility will be good at 8 km. Weather conditions: Light Rain. Broken clouds at 500 feet, Overcast skies at 1200 feet. Instrument Flight Rules (IFR) conditions - instrument flying required.

📚 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.