// Station · 21m ago

KGCY

Greeneville Municipal Airport

CAT VFR

WIND VRB / 3 kt

VIS 10+ SM

CEILING BKN at 3,800 ft

T/Td 25°C / 18°C

ALTIM 29.96 inHg

ELEV 1,608 FT

36.1957°N / 82.8115°W

LOCATION · Greeneville, US

WIND

VRB3 kt

KGCY · 1,608 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

VRB/3

VIS

10+ SM

CEILING

BKN038

LAYERS

FEW026 SCT032 BKN038

T / Td

25 / 18

ALTIM

29.96"

// Interpretation

VFR — ceiling 3,800 ft. Light winds at variable/3 kt, visibility better than 10 statute miles, a few at 2,600 ft, scattered at 3,200 ft, and broken at 3,800 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 KGCY 301955Z AUTO VRB03KT 10SM FEW026 SCT032 BKN038 25/18 A2996 RMK A01

KGCY · day 30 at 19:55 UTC · wind variable at 3 kt · visibility 10+ SM · a few clouds at 2,600 ft · scattered layer at 3,200 ft · broken layer at 3,800 ft · temp 25°C / dewpoint 18°C · altimeter 29.96" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 3 kt

ALL USABLE · WINDS CALM

WIND

VRB3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

05 HDG 050° —CALM —— 6,300'

23 HDG 230° —CALM —— 6,300'

Pattern altitude: 2,608 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 +13°C

3,100FT

+1,492 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -500 FT

24h AGO18h12h6hNOW

FIELD ELEV1,608 FT OAT+25°C ISA DELTA+13°C PRESSURE ALT1,567 FT

// Performance equivalent Operating here right now feels like operating at KGEV (Ashe County Airport, Jefferson, elev 3,180 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+31%

-22%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+22%

-14%

Light jetCJ4, Phenom 300, M2

+12%

-9%

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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN038

Broken · base 3,800 ft AGL · ~5–7 oktas

SCT032

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

FEW026

Few · base 2,600 ft AGL · ~1–2 oktas

// Computed

CEILING3,800 ft AGL HIGHEST LAYER3,800 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL14,234 ft VFR MARGIN+800 ft

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

10:17ZSUNRISE

17:30ZSOLAR NOON

00:42ZSUNSET

01:12ZCIVIL END

CURRENT20:16Z DAYLIGHT REMAINING4h 26m VFR NIGHT BEGINS01:12Z (4h 56m) DAY LENGTH14h 25m

Full Moon

ILLUMINATION100% MOONRISE21:45Z MOONSET12:11Z FULL MOON IN1 day

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

KTRI

VFR

Tri-Cities Regional TN/VA Airport · Blountville

WIND: 350° / 8 kt
VIS: 10+ SM
CEILING: BKN220
DIST: 26 NM NE
AGE: 23m ago

KMOR

VFR

Morristown Regional Airport · Morristown

WIND: CALM
VIS: 9.0 SM
CEILING: CLR
DIST: 27 NM W
AGE: 21m ago

K0A9

VFR

Elizabethton Municipal Airport · Elizabethton

WIND: 350° / 4 ktG11
VIS: 10+ SM
CEILING: CLR
DIST: 33 NM E
AGE: 21m ago

K0VG

VFR

Lee County Airport · Jonesville

WIND: VRB / 4 kt
VIS: 10+ SM
CEILING: SCT035
DIST: 34 NM NW
AGE: 21m ago

KGKT

VFR

Gatlinburg-Pigeon Forge Airport · Sevierville

WIND: 010° / 4 kt
VIS: 10+ SM
CEILING: FEW026
DIST: 40 NM SW
AGE: 20m ago

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

AIRSPACE

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