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// KDEC · Decatur Airport · Decatur

// Station · 9m ago

KDEC

Decatur Airport
CAT VFR
WIND 210° / 7 kt
VIS 8.0 SM
CEILING CLR
T/Td 25°C / 15°C
ALTIM 29.85 inHg
ELEV 682 FT
39.8346°N / 88.8657°W
LOCATION · Decatur, US
N
WIND
210°7 kt
KDEC · 682 FT
© OSM · CartoDB

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

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
210°/7
 
 
 
VIS
8.0 SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
25 / 15
 
 
 
ALTIM
29.85"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with light winds at 210°/7 kt. Visibility 8.0 SM 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 KDEC 130054Z 21007KT 8SM CLR 25/15 A2985 RMK AO2 SLP104 T02500150

KDEC · day 13 at 00:54 UTC · wind from 210° at 7 kt · visibility 8.0 SM · temp 25°C / dewpoint 15°C · altimeter 29.85" Hg · automated station w/ precipitation discriminator · sea-level pressure 1010.4 mb

// Runway analysis · computed from current METAR wind

Wind 210° @ 7 kt
4 USABLE · 2 AVOID · 2 CAUTION
N
WIND
210°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 4 usable
24★ HDG 240° H6 kt X3 kt LEFT PRIMARY · 8,496'
18 HDG 180° H6 kt X3 kt RIGHT 5,298'
12 HDG 120° H0 kt X7 kt RIGHT ⚠ HIGH XW · 100%
30 HDG 300° H0 kt X7 kt LEFT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 2 ends
06 HDG 060° T6 kt X3 kt RIGHT —
36 HDG 360° T6 kt X3 kt LEFT —
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 +11°C

2,100FT
+1,418 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV682 FT OAT+25°C ISA DELTA+11°C PRESSURE ALT750 FT
// Performance equivalent Operating here right now feels like operating at KVJI (Virginia Highlands Airport, Abingdon, elev 2,087 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+21%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,308 FT KDEC ELEV · 682 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL13,308 ft VFR MARGINunlimited

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

12:03ZSUNRISE
17:43ZSOLAR NOON
23:22ZSUNSET
23:49ZCIVIL END
CURRENT01:03Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:49Z (past) DAY LENGTH11h 18m
Waxing Crescent
ILLUMINATION3% MOONRISE13:24Z MOONSET00:43Z FULL MOON IN13 days

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