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// Station · 30m ago

KSTL

St. Louis Lambert International Airport
CAT MVFR
WIND 240° / 6 kt
VIS 10+ SM
CEILING BKN at 2,200 ft
T/Td 26.1°C / 22.2°C
ALTIM 30.01 inHg
ELEV 618 FT
38.7487°N / 90.3700°W
LOCATION · St Louis, US
N
WIND
240°6 kt
KSTL · 618 FT
© OSM · CartoDB

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

METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
240°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN022
 
 
 
LAYERS
FEW012 BKN022 BKN028
 
 
 
T / Td
26 / 22
 
 
 
ALTIM
30.01"
 
 
 

// Interpretation

MVFR — ceiling 2,200 ft. Light winds at 240°/6 kt, visibility better than 10 statute miles, a few at 1,200 ft, broken at 2,200 ft, and broken at 2,800 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

METAR KSTL 111651Z 24006KT 10SM FEW012 BKN022 BKN028 26/22 A3001 RMK AO2 SLP149 T02610222 $

KSTL · day 11 at 16:51 UTC · wind from 240° at 6 kt · visibility 10+ SM · a few clouds at 1,200 ft · broken layer at 2,200 ft · broken layer at 2,800 ft · temp 26°C / dewpoint 22°C · altimeter 30.01" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.9 mb

// Runway analysis · computed from current METAR wind

Wind 240° @ 6 kt
4 USABLE · 4 AVOID
N
WIND
240°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 4 usable
24 HDG 240° H6 kt X0 kt PRIMARY · 7,603'
29 HDG 290° H4 kt X5 kt LEFT 9,000'
30R HDG 300° H3 kt X5 kt LEFT 9,013'
30L HDG 300° H3 kt X5 kt LEFT 11,020'
TAILWIND ENDS · AVOID 4 ends
12L HDG 120° T3 kt X5 kt RIGHT
12R HDG 120° T3 kt X5 kt RIGHT
11 HDG 110° T4 kt X5 kt RIGHT
06 HDG 060° T6 kt X0 kt
Pattern altitude: 1,618 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
+1,382 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -500 FT
2,900 2,100 1,300
24h AGO18h12h6hNOW
FIELD ELEV618 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT527 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 · 3 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,800 FT FEW012 BKN022 · CEILING BKN028 KSTL ELEV · 618 FT
// Reported layers (highest → lowest)
BKN028
Broken · base 2,800 ft AGL · ~5–7 oktas
BKN022
Broken · base 2,200 ft AGL · ~5–7 oktas
FEW012
Few · base 1,200 ft AGL · ~1–2 oktas
// Computed
CEILING2,200 ft AGL HIGHEST LAYER2,800 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL13,800 ft VFR MARGIN-800 ft

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

10:47ZSUNRISE
18:08ZSOLAR NOON
01:29ZSUNSET
02:00ZCIVIL END
CURRENT17:21Z DAYLIGHT REMAINING8h 07m VFR NIGHT BEGINS02:00Z (8h 38m) DAY LENGTH14h 41m
Waning Crescent
ILLUMINATION10% MOONRISE08:17Z MOONSET22:59Z 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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