// 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

WIND

240°6 kt

KSTL · 618 FT

// 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

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

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

// 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

KSET

MVFR

St Charles County Regional Airport/Smartt Field · St Charles

WIND: 350° / 5 kt
VIS: 10+ SM
CEILING: BKN020
DIST: 11 NM N
AGE: 5m ago

KSUS

MVFR → VFR 20Z

Spirit of St Louis Airport · St Louis

WIND: CALM
VIS: 5.0 SM
CEILING: BKN011
DIST: 14 NM W
AGE: 9m ago

KCPS

VFR → MVFR 20Z

St Louis Downtown Airport · Cahokia/St Louis

WIND: 250° / 6 kt
VIS: 10+ SM
CEILING: BKN050
DIST: 15 NM SE
AGE: 3m ago

KALN

IFR

St Louis Regional Airport · Alton/St Louis

WIND: 320° / 3 kt
VIS: 3.0 SM
CEILING: BKN006
DIST: 17 NM NE
AGE: 31m ago

KBLV

MVFR → VFR 00Z

Scott AFB/Midamerica Airport · Belleville

WIND: 230° / 9 kt
VIS: 10+ SM
CEILING: OVC020
DIST: 28 NM SE
AGE: 25m ago

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

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