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// Station · 26m ago

KGYH

Donaldson Field Airport
CAT VFR
WIND 040° / 7 kt
VIS 10+ SM
CEILING Few/scattered only
T/Td 29°C / 21°C
ALTIM 30.13 inHg
ELEV 955 FT
34.7583°N / 82.3764°W
LOCATION · Greenville, US
N
WIND
040°7 kt
KGYH · 955 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
040°/7
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
SCT029
 
 
 
T / Td
29 / 21
 
 
 
ALTIM
30.13"
 
 
 

// Interpretation

VFR with light winds at 040°/7 kt. Visibility better than 10 statute miles and scattered at 2,900 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 KGYH 142147Z 04007KT 10SM SCT029 29/21 A3013

KGYH · day 14 at 21:47 UTC · wind from 040° at 7 kt · visibility 10+ SM · scattered layer at 2,900 ft · temp 29°C / dewpoint 21°C · altimeter 30.13" Hg

// Runway analysis · computed from current METAR wind

Wind 040° @ 7 kt
1 USABLE · 1 AVOID
N
WIND
040°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
05 HDG 050° H7 kt X1 kt LEFT PRIMARY · 8,000'
TAILWIND ENDS · AVOID 1 ends
23 HDG 230° T7 kt X1 kt RIGHT
Pattern altitude: 1,955 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 +15°C

2,600FT
+1,645 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +700 FT
2,800 2,150 1,500
24h AGO18h12h6hNOW
FIELD ELEV955 FT OAT+29°C ISA DELTA+15°C PRESSURE ALT743 FT
// Performance equivalent Operating here right now feels like operating at KMKJ (Mountain Empire Airport, Rural Retreat, elev 2,558 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+26%
-18%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+18%
-12%
Light jetCJ4, Phenom 300, M2
+10%
-8%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 15,601 FT SCT029 KGYH ELEV · 955 FT
// Reported layers (highest → lowest)
SCT029
Scattered · base 2,900 ft AGL · ~3–4 oktas
// Computed
CEILING HIGHEST LAYER2,900 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL15,601 ft VFR MARGINunlimited

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

10:27ZSUNRISE
17:36ZSOLAR NOON
00:45ZSUNSET
01:13ZCIVIL END
CURRENT22:13Z DAYLIGHT REMAINING2h 31m VFR NIGHT BEGINS01:13Z (3h 00m) DAY LENGTH14h 17m
New Moon
ILLUMINATION0% MOONRISE10:34Z MOONSET00:51Z FULL MOON IN15 days

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

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

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