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// Station · 10m ago

KDEC

Decatur Airport
CAT MVFR
WIND 160° / 8 kt
VIS 10+ SM
CEILING BKN at 1,200 ft
T/Td 23.9°C / 21.7°C
ALTIM 30.01 inHg
ELEV 682 FT
39.8346°N / 88.8657°W
LOCATION · Decatur, US
N
WIND
160°8 kt
KDEC · 682 FT
© OSM · CartoDB

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

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
160°/8
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN012
 
 
 
LAYERS
SCT008 BKN012 OVC018
 
 
 
T / Td
24 / 22
 
 
 
ALTIM
30.01"
 
 
 

// Interpretation

MVFR — ceiling 1,200 ft. Moderate winds at 160°/8 kt, visibility better than 10 statute miles, scattered at 800 ft, broken at 1,200 ft, and overcast at 1,800 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

SPECI KDEC 111402Z 16008KT 10SM SCT008 BKN012 OVC018 24/22 A3001 RMK AO2 T02390217

KDEC · day 11 at 14:02 UTC · wind from 160° at 8 kt · visibility 10+ SM · scattered layer at 800 ft · broken layer at 1,200 ft · overcast at 1,800 ft · temp 24°C / dewpoint 22°C · altimeter 30.01" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 160° @ 8 kt
3 USABLE · 3 AVOID · 1 CAUTION
N
WIND
160°8 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
18 HDG 180° H8 kt X3 kt LEFT PRIMARY · 5,298'
12 HDG 120° H6 kt X5 kt RIGHT 6,799'
24 HDG 240° H1 kt X8 kt LEFT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 3 ends
06 HDG 060° T1 kt X8 kt RIGHT
30 HDG 300° T6 kt X5 kt LEFT
36 HDG 360° T8 kt X3 kt RIGHT
Pattern altitude: 1,682 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 +10°C

1,800FT
+1,118 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -500 FT
2,900 2,100 1,300
24h AGO18h12h6hNOW
FIELD ELEV682 FT OAT+24°C ISA DELTA+10°C PRESSURE ALT591 FT
// Performance equivalent Operating here right now feels like operating at KCSV (Crossville Memorial Airport Whitson Field, Crossville, elev 1,881 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+18%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-8%
Light jetCJ4, Phenom 300, M2
+7%
-5%

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 · 12,753 FT SCT008 BKN012 · CEILING OVC018 KDEC ELEV · 682 FT
// Reported layers (highest → lowest)
OVC018
Overcast · base 1,800 ft AGL · 8 oktas
BKN012
Broken · base 1,200 ft AGL · ~5–7 oktas
SCT008
Scattered · base 800 ft AGL · ~3–4 oktas
// Computed
CEILING1,200 ft AGL HIGHEST LAYER1,800 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL12,753 ft VFR MARGIN-1,800 ft

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

10:37ZSUNRISE
18:02ZSOLAR NOON
01:26ZSUNSET
01:58ZCIVIL END
CURRENT14:12Z DAYLIGHT REMAINING11h 13m VFR NIGHT BEGINS01:58Z (11h 45m) DAY LENGTH14h 48m
Waning Crescent
ILLUMINATION11% MOONRISE08:01Z MOONSET22:50Z FULL MOON IN18 days

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

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

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