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// Station · 17m ago

CYAH

La Grande-4 Airport
CAT VFR
WIND VRB / 5 kt
VIS 9.0 SM
CEILING Few/scattered only
T/Td 21°C / 7°C
ALTIM 30.09 inHg
ELEV 1,005 FT
53.7547°N / 73.6753°W
LOCATION · La Grande-4, CA
N
WIND
VRB5 kt
CYAH · 1,005 FT
© OSM · CartoDB

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
VRB/5
 
 
 
VIS
9.0 SM
 
 
 
CEILING
 
 
 
LAYERS
FEW050
 
 
 
T / Td
21 / 7
 
 
 
ALTIM
30.09"
 
 
 

// Interpretation

VFR with light winds at variable/5 kt. Visibility 9.0 SM and a few at 5,000 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR CYAH 111600Z AUTO VRB05KT 9SM FEW050 21/07 A3009 RMK SLP198 DENSITY ALT 1800FT

CYAH · day 11 at 16:00 UTC · wind variable at 5 kt · visibility 9.0 SM · a few clouds at 5,000 ft · temp 21°C / dewpoint 7°C · altimeter 30.09" Hg · sea-level pressure 1019.8 mb

// Runway analysis · computed from current METAR wind

Wind VRB @ 5 kt
ALL USABLE · WINDS CALM
N
WIND
VRB5 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 +8°C

1,800FT
+795 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +900 FT
2,100 1,000 -100
24h AGO18h12h6hNOW
FIELD ELEV1,005 FT OAT+21°C ISA DELTA+8°C PRESSURE ALT834 FT
// Performance equivalent Operating here right now feels like operating at CYKL (Schefferville Airport, Schefferville, elev 1,709 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+18%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-8%
Light jetCJ4, Phenom 300, M2
+7%
-5%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,611 FT FEW050 CYAH ELEV · 1,005 FT
// Reported layers (highest → lowest)
FEW050
Few · base 5,000 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER5,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL11,611 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-5)

08:39ZSUNRISE
17:01ZSOLAR NOON
01:23ZSUNSET
02:13ZCIVIL END
CURRENT16:17Z DAYLIGHT REMAINING9h 06m VFR NIGHT BEGINS02:13Z (9h 56m) DAY LENGTH16h 43m
Waning Crescent
ILLUMINATION11% MOONRISE06:07Z MOONSET22:51Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of CYAH.

// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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