São Tomé International Airport

FPST / TMS

São Tomé, ST

Current TAF Forecast

Raw TAF:
TAF FPST 041600Z 0418/0524 32008KT 9999 FEW020CB SCT040 BECMG 0420/0523 BKN040 PROB30 TEMPO 0502/0504 TS

Detailed TAF Table

Parameter
Wed
19:00Z
+-1h
Wed
20:00Z
+0h
Wed
21:00Z
+1h
Wed
22:00Z
+2h
Wed
23:00Z
+3h
Thu
00:00Z
+4h
Thu
01:00Z
+5h
Thu
02:00Z
+6h
Thu
03:00Z
+7h
Thu
04:00Z
+8h
Thu
05:00Z
+9h
Thu
06:00Z
+10h
Thu
07:00Z
+11h
Thu
08:00Z
+12h
Thu
09:00Z
+13h
Thu
10:00Z
+14h
Thu
11:00Z
+15h
Thu
12:00Z
+16h
Thu
13:00Z
+17h
Thu
14:00Z
+18h
Thu
15:00Z
+19h
Thu
16:00Z
+20h
Thu
17:00Z
+21h
Thu
18:00Z
+22h
Thu
19:00Z
+23h
Thu
20:00Z
+24h
Thu
21:00Z
+25h
Thu
22:00Z
+26h
Wind Dir
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
Wind Speed
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 kt
8 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
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ 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
Clouds
FEW020CB
SCT040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
☀️ CLR
☀️ CLR
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
BKN040
Ceiling
2,000 ft 🌩️
CB Base
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
🌤️ Unlimited
🌤️ Unlimited
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
4,000 ft
AGL
Flight Rules 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 VFR
Day/Night
🌙
Night
🌇 17:59Z
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 06:00Z
🌙
Night
🌅 06:00Z
🌅
Dawn
🌅 06:00Z
☀️
Day
🌅 06:00Z
☀️
Day
🌅 06:00Z
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 17:59Z
☀️
Day
🌇 17:59Z
☀️
Day
🌇 17:59Z
🌇
Dusk
🌇 17:59Z
🌙
Night
🌇 17:59Z
🌙
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
320° at 8 kt
Visibility
10+ km
Clouds
FEW020CB SCT040
📖 Plain English Explanation:

This is the base forecast condition. Winds from the Northwest (320°) at 8 kt. Visibility will be excellent at 10+ km. Few clouds at 2000 feet, Scattered clouds at 4000 feet. Marginal VFR conditions - some restrictions for visual flying.

BECMG 20:00Z - 23:00Z
VFR
Clouds
BKN040
📖 Plain English Explanation:

Conditions will gradually change to become: Broken clouds at 4000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

PROB30 TEMPO 02:00Z - 04:00Z
VFR
📖 Plain English Explanation:

There is a 30% probability of: 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.