Yonago Kitaro Airport / JASDF Miho Air Base

RJOH / YGJ

Yonago, JP

Last Updated
Jul 4, 19:00Z

Military Airport

Restricted

This is a Japan Air Self-Defense Force (JASDF) installation. Civil access is not permitted.

Access Notes:

JASDF bases closed to civil traffic

Consult official AIP (Japan AIP ENR 5.2) for current access procedures and restrictions.

Current Weather

Display Units
Fresh 10 min ago
19:00Z

🌇 Dusk
MVFR
Flight Rules
23°C
Temperature
Dewpoint: 22°C
1 kt
Variable
10+ km
Visibility
2,500 ft
Ceiling
Above Ground Level
--
QNH
Altimeter Setting

Raw METAR

METAR RJOH 041900Z VRB01KT 9999 -SHRA FEW008 SCT015 BKN025 23/22 Q1008

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 20 ft
FEW 800 ft AGL
SCT 1,500 ft AGL
BKN 2,500 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
800 ft
AGL (Above Ground)
820 ft AMSL
SCT
Scattered (3/8-4/8 sky coverage)
1,500 ft
AGL (Above Ground)
1,520 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
2,500 ft
AGL (Above Ground)
2,520 ft AMSL

Weather Briefing

MVFR

Yonago Kitaro Airport / JASDF Miho Air Base is currently reporting marginal VFR (MVFR) conditions with broken clouds at 2,500 feet and 10 miles or greater visibility.

Wind Analysis

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

Visibility & Ceiling

Visibility is unrestricted. The ceiling is 2500 feet AGL (broken), placing conditions in the MVFR category.

Temperature & Moisture

Temperature is 23°C (73°F) with a dewpoint of 22°C. The temperature-dewpoint spread is very narrow, indicating saturated or near-saturated air. Fog formation or low cloud development is likely.

Forecast Outlook

The TAF forecast covers the next 30 hours. The forecast shows a transition between VFR and IFR conditions. Pilots should monitor the forecast closely and have an alternate airport plan. Expected weather includes: Showers Rain, Mist. Temporary IFR conditions are forecast between 18:00Z and 01:00Z. Temporary IFR conditions are forecast with Showers Rain, Mist between 04:00Z and 06:00Z. Temporary IFR conditions are forecast between 06:00Z and 09:00Z.

Pilot Recommendations

VFR pilots should exercise caution. Consider filing IFR if instrument rated, or postponing the flight if conditions are expected to deteriorate further. The narrow temperature-dewpoint spread creates risk of fog formation, particularly during evening and early morning hours. 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.

Forecast (TAF)

View Full TAF
Raw TAF
TAF RJOH 041706Z 0418/0600 18004KT 9000 FEW005 BKN015 TEMPO 0418/0501 FEW003 BKN008 BECMG 0504/0506 08006KT TEMPO 0504/0506 3000 SHRA BR FEW003 SCT005 BKN008 TEMPO 0506/0509 FEW003 SCT005 BKN008 BECMG 0512/0515 17004KT
Upcoming Changes (Next 12 Hours)
19:09Z BASE
+0h
MVFR 180° 4 kt
Visibility: 9 km
Ceiling: 1,500 ft
04:00Z BECMG
+9h
VFR 80° 6 kt
04:00Z TEMPO
+9h
IFR
Visibility: 3 km
Ceiling: 800 ft
Showers Rain, Mist
06:00Z TEMPO
+11h
IFR
Ceiling: 800 ft

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
JOH
07
25

Runway Information

Runway Length Width Surface Heading Wind Component
07/25 8,202 ft 98 ft ASP 63° 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 - RJOH

6,775 observations | Sep 2025 - Jul 2026

Flight Rules Distribution

VFR
83.7%
MVFR
12.2%
IFR
3.1%
LIFR
1%

Yonago Kitaro Airport / JASDF Miho Air Base enjoys predominantly VFR conditions, with visual flight rules prevailing 83.7% of the time. Prevailing winds are from the S averaging 8.2 knots, with gusts recorded up to 34 knots. Temperature extremes range from -2°C to 33°C, reflecting significant seasonal variation. The best months for VFR flying are November, December, September.

Wind Analysis

Prevailing Direction: S (180°)
Average Speed: 8.2 kt
Maximum Recorded: 34 kt
Calm Winds: 0.6%
Direction Distribution:
E
8.6%
N
6.3%
S
24.3%
W
16.6%
NE
20.3%
NW
5.4%
SE
2.6%
SW
15.4%

Temperature Range

Average: 13.7°C
Range: -2°C to 33°C
-2°C 33°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 0.7%

Best Months for VFR

November December September

Runway Wind Analysis

Runway 07/25
Favorable wind: 100%
Avg crosswind: 3.9 kt

Statistics computed from 6,775 METAR observations (Sep 2025 - Jul 2026). Data sourced from official aviation weather services. Updated daily.

Yonago Kitaro Airport / JASDF Miho Air Base - Airport Information

Airport Details

ICAO Code: RJOH
IATA Code: YGJ
Type: medium airport
Status: active
Elevation: 20 ft MSL

Location

City: Yonago
Country: JP
Latitude: 35.492199°
Longitude: 133.235992°
Time Zone: Europe/Moscow

Runway Information

Runway 07/25
Length: 8,202 ft
Width: 98 ft
Surface: ASP
ILS: No

About Yonago Kitaro Airport / JASDF Miho Air Base

Yonago Kitaro Airport / JASDF Miho Air Base is a military facility. Civilian access may be restricted or require Prior Permission (PPR). Pilots should consult the JP AIP for current access procedures and restrictions.

Overview

Yonago Kitaro Airport, co-located with JASDF Miho Air Base, serves the western coastal region of Japan near Yonago city. The airport operates a single 8,202-foot asphalt runway (07/25) at a low elevation of 20 feet mean sea level, providing critical aviation infrastructure in the San'in region.

Flying Conditions

The airport experiences predominantly VFR conditions, with 87.7% of observations reporting clear weather suitable for visual flight. Temperature ranges from -1°C to 33°C, with an average of 13.3°C, indicating potential seasonal temperature variations. Wind patterns consistently blow from the south at an average of 8.2 knots, with maximum gusts up to 34 knots.

Notable Features

Located near the Sea of Japan coastline, the airport's geographic position influences its meteorological characteristics. The low elevation and coastal proximity suggest potential for marine layer development, though statistical data indicates minimal fog occurrence (0.8% of observations). The airport's dual civil and military usage provides operational flexibility for different aircraft types.

Approach Considerations

Runway 07/25 demonstrates highly favorable wind conditions, with 100% wind alignment and an average crosswind component of only 4.2 knots. November, December, and September represent the most consistent VFR months for flight operations. Pilots should anticipate stable approach conditions with typically excellent 10-statute-mile average visibility.

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.