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// Station · 17m ago

CYHK

Gjoa Haven Airport
CAT VFR
WIND CALM
VIS 9.0 SM
CEILING CLR
T/Td 12°C / 7°C
ALTIM 29.69 inHg
ELEV 152 FT
68.6356°N / 95.8497°W
LOCATION · Gjoa Haven, CA
N
WIND
calm
CYHK · 152 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
9.0 SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
12 / 7
 
 
 
ALTIM
29.69"
 
 
 

// Interpretation

VFR with winds calm. 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 CYHK 111500Z AUTO /////KT 9SM CLR 12/07 A2969 RMK WIND MISG SLP059

CYHK · day 11 at 15:00 UTC · winds calm · visibility 9.0 SM · temp 12°C / dewpoint 7°C · altimeter 29.69" Hg · sea-level pressure 1005.9 mb

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
CALMcalm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
13T HDG 130° CALM 4,400'
31T HDG 310° CALM 4,400'
Pattern altitude: 1,152 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 -2°C

100FT
-52 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↘ -200 FT
1,000 350 -300
24h AGO18h12h6hNOW
FIELD ELEV152 FT OAT+12°C ISA DELTA-2°C PRESSURE ALT380 FT
// Performance equivalent Operating here right now feels like operating at CYLT (Alert Airport, Alert, elev 100 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+1%
-1%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+1%
-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.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 6,213 FT CYHK ELEV · 152 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL6,213 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

// 24h DAYLIGHT — sun does not set at this latitude on this date
SUNRISE
18:29ZSOLAR NOON
SUNSET
CIVIL END
CURRENT15:17Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS DAY LENGTH24h
Waning Crescent
ILLUMINATION11% MOONRISE MOONSET FULL MOON IN18 days

// Nearest reporting stations · 2 shown · 150 NM (sparse area)

// Area map · 140 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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