// Station · 7m ago

KGCN

Grand Canyon National Park Airport

CAT VFR

WIND 220° / 13 kt G22

VIS 10+ SM

CEILING BKN at 3,100 ft

T/Td 8.9°C / 7.8°C

ALTIM 29.99 inHg

ELEV 6,609 FT

35.9524°N / 112.1470°W

LOCATION · Grand Canyon - Tusayan, US

WIND

220°13 kt

KGCN · 6,609 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

220°/13G22

VIS

10+ SM

CEILING

BKN031

LAYERS

FEW007 SCT012 BKN031

T / Td

9 / 8

ALTIM

29.99"

// Interpretation

VFR — ceiling 3,100 ft. Brisk winds at 220°/13 kt, gusting 22, visibility better than 10 statute miles, a few at 700 ft, scattered at 1,200 ft, and broken at 3,100 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

SPECI KGCN 130059Z 22013G22KT 10SM FEW007 SCT012 BKN031 09/08 A2999 RMK AO2 T00890078

KGCN · day 13 at 00:59 UTC · wind from 220° at 13 kt, gusts to 22 kt · visibility 10+ SM · a few clouds at 700 ft · scattered layer at 1,200 ft · broken layer at 3,100 ft · temp 9°C / dewpoint 8°C · altimeter 29.99" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 220° @ 13 ktG22

1 USABLE · 1 AVOID

WIND

220°13G22 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

21★ HDG 210° H13 kt X2 kt RIGHT PRIMARY · 8,999'

TAILWIND ENDS · AVOID 1 ends

03 HDG 030° T13 kt X2 kt LEFT —

Pattern altitude: 7,609 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 +7°C

7,400FT

+791 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV6,609 FT OAT+9°C ISA DELTA+7°C PRESSURE ALT6,535 FT

// Performance equivalent Operating here right now feels like operating at KFLG (Flagstaff Pulliam Airport, Flagstaff, elev 7,014 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+74%

-52%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+52%

-33%

Light jetCJ4, Phenom 300, M2

+30%

-22%

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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN031

Broken · base 3,100 ft AGL · ~5–7 oktas

SCT012

Scattered · base 1,200 ft AGL · ~3–4 oktas

FEW007

Few · base 700 ft AGL · ~1–2 oktas

// Computed

CEILING3,100 ft AGL HIGHEST LAYER3,100 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL11,104 ft VFR MARGIN+100 ft

// Sun & Moon · times in Z · bar = local day (UTC-7)

13:33ZSUNRISE

19:16ZSOLAR NOON

00:58ZSUNSET

01:24ZCIVIL END

CURRENT01:06Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:24Z (17m) DAY LENGTH11h 24m

Waxing Crescent

ILLUMINATION3% MOONRISE14:54Z MOONSET02:19Z FULL MOON IN13 days

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

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