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// Station · 9m ago

K4A9

Isbell Field
CAT VFR
WIND 020° / 6 kt
VIS 10+ SM
CEILING BKN at 4,600 ft
T/Td 24.3°C / 22.6°C
ALTIM 29.90 inHg
WX +RA
ELEV 877 FT
34.4737°N / 85.7214°W
LOCATION · Fort Payne, US
N
WIND
020°6 kt
K4A9 · 877 FT
© OSM · CartoDB

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

METRIC
NOW · 20Z
+6H
+12H
+18H
WIND
020°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN046
 
 
 
LAYERS
SCT030 BKN046 OVC055
 
 
 
T / Td
24 / 23
 
 
 
ALTIM
29.90"
 
 
 

// Interpretation

VFR — ceiling 4,600 ft. Light winds at 020°/6 kt, visibility better than 10 statute miles, scattered at 3,000 ft, broken at 4,600 ft, and overcast at 5,500 ft. Reported weather: +RA. 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 K4A9 302055Z AUTO 02006KT 10SM +RA SCT030 BKN046 OVC055 24/23 A2990 RMK AO2 P0001 T02430226 60004

K4A9 · day 30 at 20:55 UTC · wind from 020° at 6 kt · visibility 10+ SM · scattered layer at 3,000 ft · broken layer at 4,600 ft · overcast at 5,500 ft · temp 24°C / dewpoint 23°C · altimeter 29.90" Hg · weather: +RA · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 020° @ 6 kt
1 USABLE · 1 AVOID
N
WIND
020°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
04 HDG 040° H6 kt X2 kt LEFT PRIMARY · 5,001'
TAILWIND ENDS · AVOID 1 ends
22 HDG 220° T6 kt X2 kt RIGHT
Pattern altitude: 1,877 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 +11°C

2,200FT
+1,323 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
2,900 2,200 1,500
24h AGO18h12h6hNOW
FIELD ELEV877 FT OAT+24°C ISA DELTA+11°C PRESSURE ALT895 FT
// Performance equivalent Operating here right now feels like operating at KAVL (Asheville Regional Airport, Asheville, elev 2,165 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+22%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-10%
Light jetCJ4, Phenom 300, M2
+9%
-7%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,150 FT SCT030 BKN046 · CEILING OVC055 K4A9 ELEV · 877 FT
// Reported layers (highest → lowest)
OVC055
Overcast · base 5,500 ft AGL · 8 oktas
BKN046
Broken · base 4,600 ft AGL · ~5–7 oktas
SCT030
Scattered · base 3,000 ft AGL · ~3–4 oktas
// Computed
CEILING4,600 ft AGL HIGHEST LAYER5,500 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,150 ft VFR MARGIN+1,600 ft

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

10:33ZSUNRISE
17:41ZSOLAR NOON
00:50ZSUNSET
01:18ZCIVIL END
CURRENT21:04Z DAYLIGHT REMAINING3h 45m VFR NIGHT BEGINS01:18Z (4h 14m) DAY LENGTH14h 16m
Full Moon
ILLUMINATION100% MOONRISE22:03Z MOONSET12:19Z FULL MOON IN1 day

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

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

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