Ranong Airport

VTSR / UNN

Ranong, TH

Last Updated
Apr 23, 05:00Z

Current Weather

Display Units
Recent 53 min ago
05:00Z

☀️ Day
VFR
Flight Rules
33°C
Temperature
Dewpoint: 25°C
1 kt
Variable
10+ km
Visibility
Ceiling
Unlimited
1008 hPa
QNH
Altimeter Setting

Raw METAR

METAR VTSR 230500Z VRB01KT 9999 SCT020 33/25 Q1008 NOSIG

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 57 ft
SCT 2,000 ft AGL
SCT
Scattered (3/8-4/8 sky coverage)
2,000 ft
AGL (Above Ground)
2,057 ft AMSL

Weather Briefing

VFR

Ranong Airport is currently reporting visual flight rules (VFR) conditions with scattered clouds at 2,000 feet and 10 miles or greater visibility.

Wind Analysis

Winds are calm, presenting no crosswind concerns for any runway.

Visibility & Ceiling

Visibility is unrestricted. No ceiling exists. Cloud layers reported: scattered at 2,000 ft.

Temperature & Moisture

Temperature is 33°C (91°F) with a dewpoint of 25°C, indicating moderate moisture conditions. High temperatures at this elevation may result in significant density altitude effects. Pilots should calculate density altitude and adjust performance expectations accordingly.

Forecast Outlook

The TAF forecast covers the next 24 hours. Conditions are expected to fluctuate between VFR and MVFR. VFR pilots should be prepared for deteriorating conditions. Expected weather includes: Light Thunderstorm Rain. Temporary MVFR conditions are forecast with Light Thunderstorm Rain between 08:00Z and 12:00Z.

Pilot Recommendations

Conditions are favorable for visual flight. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1008 hPa
Sea Level Pressure
For altitude above MSL
QFE
1006 hPa
Field Pressure
Height above aerodrome (57 ft)
Pressure Alt
215 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 2,389 ft (High - Reduced Performance)
ISA Deviation: +18.1°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF VTSR 222300Z 2300/2324 08005KT 9999 FEW020 BECMG 2302/2304 30005KT TEMPO 2308/2312 -TSRA FEW018CB SCT020 BKN100
Upcoming Changes (Next 12 Hours)
05:53Z BASE
+0h
VFR 80° 5 kt
Visibility: 10+ km
08:00Z TEMPO
+3h
MVFR
Ceiling: 10,000 ft
Light Thunderstorm Rain

24-Hour Weather Evolution

Loading weather data...
Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
Chart Features
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
TSR
02
20

Runway Information

Runway Length Width Surface Heading Wind Component
02/20 6,562 ft 148 ft CON 24° No wind data
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - VTSR

2,923 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
78.1%
MVFR
21.7%
IFR
0.2%
LIFR
0%

Ranong Airport typically experiences VFR conditions 78.1% of the time, though instrument-rated pilots will find IFR weather present approximately 0.2% of observations. Prevailing winds are from the E averaging 7.1 knots. Calm conditions occur 23.2% of the time. Temperatures typically range between 18°C and 36°C with an average of 28.5°C. The best months for VFR flying are April, January, March.

Wind Analysis

Prevailing Direction: E (90°)
Average Speed: 7.1 kt
Maximum Recorded: 22 kt
Calm Winds: 23.2%
Direction Distribution:
N
8.7%
NE
6.6%
E
21.2%
SE
6%
S
3.5%
SW
9.8%
W
13.2%
NW
7.8%

Temperature Range

Average: 28.5°C
Range: 18°C to 36°C
18°C 36°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 0%

Best Months for VFR

April January March

Runway Wind Analysis

Runway 02/20
Favorable wind: 100%
Avg crosswind: 5.5 kt

Statistics computed from 2,923 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Ranong Airport - Airport Information

Airport Details

ICAO Code: VTSR
IATA Code: UNN
Type: medium airport
Status: active
Elevation: 57 ft MSL

Location

City: Ranong
Country: TH
Latitude: 9.777620°
Longitude: 98.585503°
Time Zone: Etc/GMT-7

Runway Information

Runway 02/20
Length: 6,562 ft
Width: 148 ft
Surface: CON
ILS: No

About Ranong Airport

Overview

Ranong Airport serves the coastal region of southwestern Thailand, located in Ranong Province near the Myanmar border. As a medium-sized airport with a single runway measuring 6,562 feet, it provides critical transportation infrastructure for this maritime and mountainous area of southern Thailand.

Flying Conditions

The airport experiences predominantly Visual Flight Rules (VFR) conditions, with 68.7% of observations supporting clear flying weather. Winds are consistently from the east at an average of 6.6 knots, with maximum gusts reaching 20 knots, and calm conditions occurring 24.5% of the time. Temperature remains stable, averaging 27.4°C with a range between 18°C and 34°C.

Notable Features

Situated at a low elevation of 57 feet mean sea level, Ranong Airport is positioned in a coastal terrain with minimal elevation challenges. The airport's geographic location suggests potential maritime influences on local weather patterns, with consistent easterly winds and high visibility averaging 10 statute miles.

Approach Considerations

Runway 02/20 demonstrates highly favorable wind conditions, with prevailing winds aligned 100% with the runway heading. Pilots can expect an average crosswind component of just 4.8 knots, making for generally comfortable approach and landing conditions. The best visual flying months are November, December, and January, offering optimal weather conditions for operations.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.