Ponciano Arriaga International Airport

MMSP / SLP

San Luis Potosí, MX

Current TAF Forecast

Raw TAF:
TAF COR MMSP 221159Z 2212/2312 33005KT 1SM BR BKN003 OVC008 TX29/2221Z TN14/2212Z TEMPO 2212/2215 1/4SM FG VV002 FM221530 32005KT 3SM BR BKN010 FM221620 34006KT 6SM HZ SCT020 BECMG 2218/2220 BKN020 BKN080 TEMPO 2221/2301 4SM TSRA OVC020CB FM230200 17005KT P6SM SCT030

Detailed TAF Table

Parameter
Wed
17:00Z
+-1h
Wed
18:00Z
+0h
Wed
19:00Z
+1h
Wed
20:00Z
+2h
Wed
21:00Z
+3h
Wed
22:00Z
+4h
Wed
23:00Z
+5h
Thu
00:00Z
+6h
Thu
01:00Z
+7h
Thu
02:00Z
+8h
Thu
03:00Z
+9h
Thu
04:00Z
+10h
Thu
05:00Z
+11h
Thu
06:00Z
+12h
Thu
07:00Z
+13h
Thu
08:00Z
+14h
Thu
09:00Z
+15h
Thu
10:00Z
+16h
Wind Dir
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
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
Visibility
1SM
1SM
1SM
1SM
4SM
4SM
4SM
4SM
1SM
1SM
1SM
1SM
1SM
1SM
1SM
1SM
1SM
1SM
Weather
Mist
BR
☀️ Clear
☀️ Clear
☀️ Clear
Thunderstorm Rain
TSRA
Thunderstorm Rain
TSRA
Thunderstorm Rain
TSRA
Thunderstorm Rain
TSRA
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Clouds
BKN003
OVC008
BKN020
BKN080
BKN020
BKN080
BKN020
BKN080
OVC020CB
OVC020CB
OVC020CB
OVC020CB
BKN020
BKN080
BKN020
BKN080
BKN020
BKN080
BKN020
BKN080
BKN020
BKN080
BKN020
BKN080
BKN020
BKN080
BKN020
BKN080
BKN020
BKN080
BKN020
BKN080
Ceiling
300 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
Flight Rules LIFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR
Day/Night
☀️
Day
🌇 18:22Z
☀️
Day
🌇 18:22Z
🌙
Night
🌇 18:22Z
🌙
Night
🌇 18:22Z
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 05:36Z
🌙
Night
🌅 05:36Z
🌙
Night
🌅 05:36Z
☀️
Day
🌅 05:36Z
☀️
Day
🌅 05:36Z
☀️
Day
☀️
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
LIFR
Wind
330° at 5 kt
Visibility
1SM
Weather
Mist
Clouds
BKN003 OVC008
📖 Plain English Explanation:

This is the base forecast condition. Winds from the North-Northwest (330°) at 5 kt. Visibility will be moderate at 1SM. Weather conditions: Mist. Broken clouds at 300 feet, Overcast skies at 800 feet. Low IFR conditions - challenging even for instrument operations.

TEMPO 12:00Z - 15:00Z
LIFR
Visibility
1/4SM
Weather
Fog
Clouds
VV002
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Visibility will be moderate at 1/4SM. Weather conditions: Fog. Vertical visibility at 200 feet. Low IFR conditions - challenging even for instrument operations.

FM221530 15:00Z - 21:00Z
IFR
Wind
320° at 5 kt
Visibility
3SM
Weather
Mist
Clouds
BKN010
📖 Plain English Explanation:

Winds from the Northwest (320°) at 5 kt. Visibility will be good at 3SM. Weather conditions: Mist. Broken clouds at 1000 feet. Instrument Flight Rules (IFR) conditions - instrument flying required.

FM221620 16:00Z - 22:00Z
VFR
Wind
340° at 6 kt
Visibility
6SM
Weather
Haze
Clouds
SCT020
📖 Plain English Explanation:

Winds from the North-Northwest (340°) at 6 kt. Visibility will be excellent at 6SM. Weather conditions: Haze. Scattered clouds at 2000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 18:00Z - 20:00Z
MVFR
Clouds
BKN020 BKN080
📖 Plain English Explanation:

Conditions will gradually change to become: Broken clouds at 2000 feet, Broken clouds at 8000 feet. Marginal VFR conditions - some restrictions for visual flying.

TEMPO 21:00Z - 01:00Z
MVFR
Visibility
4SM
Weather
Thunderstorm Rain
Clouds
OVC020CB
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Visibility will be good at 4SM. Weather conditions: Thunderstorm Rain. Overcast skies at 2000 feet. Marginal VFR conditions - some restrictions for visual flying.

FM230200 02:00Z - 08:00Z
VFR
Wind
170° at 5 kt
Visibility
>6SM
Clouds
SCT030
📖 Plain English Explanation:

Winds from the South (170°) at 5 kt. Visibility will be excellent at more than 6SM. Scattered clouds at 3000 feet. 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.