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// CYAH · La Grande-4 Airport · La Grande-4

// STALE Observation is 1h 7m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 7m ago · STALE

CYAH

La Grande-4 Airport
CAT VFR
WIND 070° / 2 kt
VIS 9.0 SM
CEILING CLR
T/Td -3°C / -6°C
ALTIM 30.13 inHg
ELEV 1,005 FT
53.7547°N / 73.6753°W
LOCATION · La Grande-4, CA
N
WIND
070°2 kt
CYAH · 1,005 FT
© OSM · CartoDB

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

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
070°/2
 
 
 
VIS
9.0 SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
-3 / -6
 
 
 
ALTIM
30.13"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with light winds at 070°/2 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…

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

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// Raw observation METAR string + decoded

METAR CYAH 130000Z AUTO 07002KT 9SM CLR M03/M06 A3013 RMK SLP226

CYAH · day 13 at 00:00 UTC · wind from 070° at 2 kt · visibility 9.0 SM · temp -3°C / dewpoint -6°C · altimeter 30.13" Hg · sea-level pressure 1022.6 mb

// Runway analysis · computed from current METAR wind

Wind 070° @ 2 kt
ALL USABLE · WINDS CALM
N
WIND
070°2 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 -16°C

-1,200FT
-2,205 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV1,005 FT OAT-3°C ISA DELTA-16°C PRESSURE ALT793 FT
// Performance equivalent Your aircraft will perform as if it's at a field -1,200 ft high on a standard ISA day — that's -2,205 ft above CYAH's actual elevation.
// Aircraft performance impact ENHANCED
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+0%
-0%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+0%
-0%
Light jetCJ4, Phenom 300, M2
+0%
-0%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 1,005 FT CYAH ELEV · 1,005 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL1,005 ft VFR MARGINunlimited

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

11:17ZSUNRISE
16:42ZSOLAR NOON
22:07ZSUNSET
22:42ZCIVIL END
CURRENT01:07Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS22:42Z (past) DAY LENGTH10h 49m
Waxing Crescent
ILLUMINATION3% MOONRISE12:38Z MOONSET23:28Z FULL MOON IN13 days

// Nearest reporting stations

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

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