WxDecoder

CYAH/YAH METAR & TAF La Grande-4 Airport

La Grande-4, QuebecElevation 1,005 ftMedium airport
CURRENT STATUS
VFR38 min old
Ceiling 4,400 ft, visibility 9 SM, gusts to 33 kt.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
260@18
gust 33 kt
VISIBILITY
9 SM
14.5 km
CEILING
4,400 ft
lowest BKN/OVC
DENSITY ALT
85 ft
-920 ft vs field
CURRENT METAR

Decoded observation

Observed 0200Z (10:00 PM local) · 38 min old

CYAH is currently VFR. Winds are from the west at 18 knots gusting 33. Visibility is 9 statute miles. The ceiling is 4,400 feet AGL. Main concerns: Wind gusting to 33 kt (gust spread 15 kt).

WIND
260° at 18 kt, gust 33
Gusts 15 kt above the steady wind.
VISIBILITY
9 statute miles
14.5 km, good.
CEILING & SKY
Ceiling 4,400 ft
Lowest broken or overcast layer.
TEMP / DEWPOINT
4°C / -1°C
39°F / 30°F. 5°C spread.
ALTIMETER
29.77 inHg
1008.1 hPa, below standard.
WEATHER & HAZARDS
GUST
Wind gusting to 33 kt (gust spread 15 kt).

Codes in this report: AUTO BKN OVC RMK

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED
SLP098
sea-level pressure 1009.8 hPa
TERMINAL AERODROME FORECAST

TAF timeline

Issued 1740Z (1:40 PM local) · valid to 2100Z (5:00 PM local)

CYAH forecast starts MVFR at 18Z. Worst period is 18Z to 20Z with MVFR possible (GUST). Conditions are roughly steady over the period.

OVC0121,200 ft
BKN0303,000 ft
1800Z2:00 PM1836Z2:36 PM1912Z3:12 PM1948Z3:48 PM2024Z4:24 PM2100Z5:00 PM

Codes in this report: P6SM OVC TEMPO BKN RMK AUTO

Tap any group to decode it.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Moderate

›Wind gusting to 33 kt (gust spread 15 kt).
›Large gust spread: 18 kt gusting 33 kt.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Pilot weather notes

Current aviation conditions show flight category VFR, wind from 260° at 18 kt, gusting 33 kt, visibility 9 SM, ceiling 4,400 ft. No extended National Weather Service forecast is available for this location. Key risks: gusty winds.

PILOT WEATHER NOTES
Gusty windsMETAR
Winds gusting to 33 kt. Plan for the gust factor on approach and landing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for CYAH. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

09/27
Dimensions
5,000 x 150 ft
Surface
GRAVEL
FIELD CONDITIONS

Performance & density altitude

Density altitude
85 ft
Pressure altitude
1,155 ft
Field elevation
1,005 ft MSL
Temperature
4°C (39°F)
Dewpoint
-1°C (30°F)
Altimeter
29.77 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2135Z 5:35 PM
Sunrise
1142Z 7:42 AM
Loggable night
2212Z (6:12 PM local) → 1106Z (7:06 AM local)
end of evening to start of morning civil twilight
Position lights required
2135Z (5:35 PM local) → 1142Z (7:42 AM local)
sunset to sunrise (91.209)
Night passenger currency
2235Z (6:35 PM local) → 1042Z (6:42 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

La Grande-4 Airport is in La Grande-4, Quebec. Field elevation 1,005 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeMedium airport
CHARTS & AIRSPACE
ICAO / IATACYAH / YAH
RegionQuebec
CountryCanada
Coordinates53.7547, -73.6753
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Nearby airports

CLB6 Lac de la Falaise Water Aerodrome
3 NM SW
CLP3 Lac Polaris (pourvoirie Mirage)
29 NM E
CPM3 Pourvoirie Mirage Aerodrome
30 NM E
CSY6 Poste Lemoyne (Complex Lg-3) Heliport
51 NM W
OFFICIAL LINKS & SOURCES
↗Official METAR on AviationWeather.gov
↗Wikipedia
↗CYAH on OurAirports
FREQUENTLY ASKED
Does CYAH have a METAR?
Yes. CYAH has a current METAR observation, decoded into plain English on this page.
Does CYAH have a TAF?
Yes, a TAF is issued for CYAH; the decoded forecast timeline is shown above.
What is the field elevation at CYAH?
CYAH sits at 1,005 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for CYAH?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.