// Station · 17m ago

KDEC

Decatur Airport

CAT VFR

WIND 100° / 5 kt

VIS 10+ SM

CEILING OVC at 4,900 ft

T/Td 25.6°C / 21.7°C

ALTIM 30.01 inHg

ELEV 682 FT

39.8346°N / 88.8657°W

LOCATION · Decatur, US

WIND

100°5 kt

KDEC · 682 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

100°/5

VIS

10+ SM

CEILING

OVC049

LAYERS

FEW015 OVC049

T / Td

26 / 22

ALTIM

30.01"

// Interpretation

VFR — ceiling 4,900 ft. Light winds at 100°/5 kt, visibility better than 10 statute miles, a few at 1,500 ft, and overcast at 4,900 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…)

// Want this glance-able on 10 airports? METAR Deck →

// Raw observation METAR string + decoded

METAR KDEC 111554Z 10005KT 10SM FEW015 OVC049 26/22 A3001 RMK AO2 SLP156 T02560217

KDEC · day 11 at 15:54 UTC · wind from 100° at 5 kt · visibility 10+ SM · a few clouds at 1,500 ft · overcast at 4,900 ft · temp 26°C / dewpoint 22°C · altimeter 30.01" Hg · automated station w/ precipitation discriminator · sea-level pressure 1015.6 mb

// Runway analysis · computed from current METAR wind

Wind 100° @ 5 kt

3 USABLE · 3 AVOID

WIND

100°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

12★ HDG 120° H5 kt X2 kt LEFT PRIMARY · 6,799'

06 HDG 060° H4 kt X3 kt RIGHT 8,496'

18 HDG 180° H1 kt X5 kt LEFT 5,298'

TAILWIND ENDS · AVOID 3 ends

36 HDG 360° T1 kt X5 kt RIGHT —

24 HDG 240° T4 kt X3 kt LEFT —

30 HDG 300° T5 kt X2 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 +12°C

2,000FT

+1,318 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -500 FT

24h AGO18h12h6hNOW

FIELD ELEV682 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT591 FT

// Performance equivalent Operating here right now feels like operating at KUOS (Franklin County Airport, Sewanee, elev 1,953 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+20%

-14%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+14%

-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.

// Cloud layers · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC049

Overcast · base 4,900 ft AGL · 8 oktas

FEW015

Few · base 1,500 ft AGL · ~1–2 oktas

// Computed

CEILING4,900 ft AGL HIGHEST LAYER4,900 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,611 ft VFR MARGIN+1,900 ft

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

10:37ZSUNRISE

18:02ZSOLAR NOON

01:26ZSUNSET

01:58ZCIVIL END

CURRENT16:11Z DAYLIGHT REMAINING9h 14m VFR NIGHT BEGINS01:58Z (9h 46m) DAY LENGTH14h 48m

Waning Crescent

ILLUMINATION11% MOONRISE08:05Z MOONSET22:54Z FULL MOON IN18 days

// Nearest reporting stations · 2 shown · 60 NM radius

K3LF

MVFR

Litchfield Municipal Airport · Litchfield

WIND: 160° / 4 kt
VIS: 10+ SM
CEILING: BKN013
DIST: 55 NM SW
AGE: 36m ago

KPRG

VFR

Edgar County Airport · Paris

WIND: 100° / 4 kt
VIS: 10+ SM
CEILING: SCT013
DIST: 56 NM E
AGE: 16m ago

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

AIRSPACE

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