// Station · 4m ago

KGEY

South Big Horn County Airport

CAT VFR

WIND 040° / 7 kt

VIS 10+ SM

CEILING CLR

T/Td 40°C / 7.2°C

ALTIM 29.96 inHg

ELEV 3,939 FT

44.5168°N / 108.0830°W

LOCATION · Greybull, US

WIND

040°7 kt

KGEY · 3,939 FT

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

METRIC

NOW · 23Z

+6H

+12H

+18H

WIND

040°/7

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

40 / 7

ALTIM

29.96"

// Interpretation

VFR with light winds at 040°/7 kt. Visibility better than 10 statute miles 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 KGEY 142353Z AUTO 04007KT 10SM CLR 40/07 A2996 RMK AO2 LTG DSNT N AND NE SLP094 T04000072 10400 20328 56018

KGEY · day 14 at 23:53 UTC · wind from 040° at 7 kt · visibility 10+ SM · temp 40°C / dewpoint 7°C · altimeter 29.96" Hg · automated station w/ precipitation discriminator · sea-level pressure 1009.4 mb

// Runway analysis · computed from current METAR wind

Wind 040° @ 7 kt

2 USABLE · 2 AVOID · 1 CAUTION

WIND

040°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

8★ HDG 080° H5 kt X4 kt LEFT PRIMARY · 6,953'

34 HDG 340° H4 kt X6 kt RIGHT ⚠ HIGH XW · 86%

TAILWIND ENDS · AVOID 2 ends

16 HDG 160° T3 kt X6 kt LEFT —

26 HDG 260° T5 kt X4 kt RIGHT —

Pattern altitude: 4,939 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 +33°C

7,800FT

+3,861 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +400 FT

24h AGO18h12h6hNOW

FIELD ELEV3,939 FT OAT+40°C ISA DELTA+33°C PRESSURE ALT3,898 FT

// Performance equivalent Operating here right now feels like operating at KASE (Aspen-Pitkin County Airport (Sardy Field), Aspen, elev 7,820 ft) on a standard ISA day.

// Aircraft performance impact DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+78%

-55%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+55%

-35%

Light jetCJ4, Phenom 300, M2

+31%

-23%

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

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL24,141 ft VFR MARGINunlimited

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

11:41ZSUNRISE

19:19ZSOLAR NOON

02:56ZSUNSET

03:32ZCIVIL END

CURRENT23:57Z DAYLIGHT REMAINING2h 59m VFR NIGHT BEGINS03:32Z (3h 34m) DAY LENGTH15h 14m

New Moon

ILLUMINATION0% MOONRISE11:51Z MOONSET03:06Z FULL MOON IN15 days

// Nearest reporting stations · 5 shown · 60 NM radius

KU68

VFR

North Big Horn County Airport · Cowley

WIND: 230° / 4 kt
VIS: 10+ SM
CEILING: CLR
DIST: 28 NM NW
AGE: 22m ago

KWRL

VFR

Worland Municipal Airport · Worland

WIND: 040° / 7 kt
VIS: 10+ SM
CEILING: CLR
DIST: 34 NM S
AGE: 4m ago

KPOY

—

Powell Municipal Airport · Powell

WIND: 290° / 14 ktG20
VIS: —
CEILING: CLR
DIST: 37 NM NW
AGE: 22m ago

KCOD

VFR

Yellowstone Regional Airport · Cody

WIND: 260° / 17 ktG31
VIS: 10+ SM
CEILING: CLR
DIST: 40 NM W
AGE: 1m ago

KSHR

VFR

Sheridan County Airport · Sheridan

WIND: 070° / 3 kt
VIS: 10+ SM
CEILING: CLR
DIST: 49 NM E
AGE: 4m ago

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

AIRSPACE

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