// Station · 25m ago
CYAH
La Grande-4 Airport
CAT VFR
WIND 270° / 3 kt
VIS 9.0 SM
CEILING CLR
T/Td 17°C / 11°C
ALTIM 30.09 inHg
ELEV 1,005 FT
53.7547°N / 73.6753°W
LOCATION · La Grande-4, CA
WIND
270°3 kt
CYAH · 1,005 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
270°/3
VIS
9.0 SM
CEILING
CLR
LAYERS
—
T / Td
17 / 11
ALTIM
30.09"
// Interpretation
VFR with light winds at 270°/3 kt. Visibility 9.0 SM and no reported cloud layers. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.
Loading TAF forecast narrative…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR CYAH 111400Z AUTO 27003KT 220V300 9SM CLR 17/11 A3009 RMK SLP198 DENSITY ALT 1400FT
CYAH · day 11 at 14:00 UTC · wind from 270° at 3 kt · visibility 9.0 SM · temp 17°C / dewpoint 11°C · altimeter 30.09" Hg · sea-level pressure 1019.8 mb
// Runway analysis · computed from current METAR wind
Wind 270° @ 3 kt
ALL USABLE · WINDS CALM
WIND
270°3 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS
2 ends
09
HDG 090°
—CALM
——
5,000'
27
HDG 270°
—CALM
——
5,000'
Pattern altitude: 2,005 ft MSL (1,000 ft AGL).
Verify pattern direction and altitude with the chart supplement before flying.
// On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.
// Density altitude · ISA +4°C
1,300FT
+295 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +500 FT
24h AGO18h12h6hNOW
FIELD ELEV1,005 FT
OAT+17°C
ISA DELTA+4°C
PRESSURE ALT834 FT
// Performance equivalent
Operating here right now feels like operating at CYMT
(Chapais Airport, Chibougamau, elev 1,270 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+13%
-9%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+9%
-6%
Light jetCJ4, Phenom 300, M2
+5%
-4%
Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge.
// Cloud layers · clear · no layers reported
// Sun & Moon · times in Z · bar = local day (UTC-5)
08:39ZSUNRISE
17:01ZSOLAR NOON
01:23ZSUNSET
02:13ZCIVIL END
CURRENT14:25Z
DAYLIGHT REMAINING10h 57m
VFR NIGHT BEGINS02:13Z (11h 48m)
DAY LENGTH16h 43m
Waning Crescent
ILLUMINATION11%
MOONRISE06:03Z
MOONSET22:47Z
FULL MOON IN18 days
// Nearest reporting stations · 3 shown · 200 NM (very sparse)
CYGL
VFR
La Grande Rivière Airport · La Grande Rivière
- WIND
- 070° / 3 kt
- VIS
- 10+ SM
- CEILING
- FEW030
- DIST
- 143 NM W
- AGE
- 25m ago
CYGW
VFR
Kuujjuarapik Airport · Kuujjuarapik
- WIND
- 310° / 4 kt
- VIS
- 9.0 SM
- CEILING
- CLR
- DIST
- 169 NM NW
- AGE
- 25m ago
CYMU
VFR
Umiujaq Airport · Umiujaq
- WIND
- 190° / 9 kt
- VIS
- 10+ SM
- CEILING
- FEW210
- DIST
- 193 NM NW
- AGE
- 25m ago
// Area map · 200 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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