// Station · 1h 0m ago · STALE

KSTL

St. Louis Lambert International Airport

CAT VFR

WIND 300° / 3 kt

VIS 10+ SM

CEILING OVC at 7,000 ft

T/Td 21.1°C / 19.4°C

ALTIM 29.95 inHg

ELEV 618 FT

38.7487°N / 90.3700°W

LOCATION · St Louis, US

WIND

300°3 kt

KSTL · 618 FT

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

METRIC

NOW · 09Z

+6H

+12H

+18H

WIND

300°/3

VIS

10+ SM

CEILING

OVC070

LAYERS

OVC070

T / Td

21 / 19

ALTIM

29.95"

// Interpretation

VFR — ceiling 7,000 ft. Light winds at 300°/3 kt, visibility better than 10 statute miles, overcast at 7,000 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…)

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// Raw observation METAR string + decoded

METAR KSTL 270951Z 30003KT 10SM OVC070 21/19 A2995 RMK AO2 SLP132 T02110194 $

KSTL · day 27 at 09:51 UTC · wind from 300° at 3 kt · visibility 10+ SM · overcast at 7,000 ft · temp 21°C / dewpoint 19°C · altimeter 29.95" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.2 mb

// Runway analysis · computed from current METAR wind

Wind 300° @ 3 kt

ALL USABLE · WINDS CALM

WIND

300°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 8 ends

12R HDG 120° —CALM —— 11,020'

30L HDG 300° —CALM —— 11,020'

12L HDG 120° —CALM —— 9,013'

30R HDG 300° —CALM —— 9,013'

11 HDG 110° —CALM —— 9,000'

29 HDG 290° —CALM —— 9,000'

06 HDG 060° —CALM —— 7,603'

24 HDG 240° —CALM —— 7,603'

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 +7°C

1,500FT

+882 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +400 FT

24h AGO18h12h6hNOW

FIELD ELEV618 FT OAT+21°C ISA DELTA+7°C PRESSURE ALT586 FT

// Performance equivalent Operating here right now feels like operating at KBBG (Branson Airport, Branson, elev 1,302 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+15%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

OVC070

Overcast · base 7,000 ft AGL · 8 oktas

// Computed

CEILING7,000 ft AGL HIGHEST LAYER7,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL11,275 ft VFR MARGIN+4,000 ft

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

10:42ZSUNRISE

18:00ZSOLAR NOON

01:17ZSUNSET

01:48ZCIVIL END

CURRENT10:51Z DAYLIGHT REMAINING14h 26m VFR NIGHT BEGINS01:48Z (14h 57m) DAY LENGTH14h 35m

Waxing Gibbous

ILLUMINATION83% MOONRISE19:25Z MOONSET10:00Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

KSUS

VFR

Spirit of St Louis Airport · St Louis

WIND: CALM
VIS: 9.0 SM
CEILING: OVC070
DIST: 14 NM W
AGE: 57m ago

KALN

VFR

St Louis Regional Airport · Alton/St Louis

WIND: CALM
VIS: 7.0 SM
CEILING: BKN040
DIST: 17 NM NE
AGE: 16m ago

KBLV

IFR → MVFR 12Z

Scott AFB/Midamerica Airport · Belleville

WIND: 310° / 4 kt
VIS: 3.0 SM
CEILING: BKN008
DIST: 28 NM SE
AGE: 11m ago

KSPI

VFR

Abraham Lincoln Capital Airport · Springfield

WIND: 030° / 3 kt
VIS: 10+ SM
CEILING: OVC110
DIST: 73 NM NE
AGE: 59m ago

KMDH

MVFR

Southern Illinois Airport · Murphysboro

WIND: 240° / 4 kt
VIS: 6.0 SM
CEILING: OVC021
DIST: 79 NM SE
AGE: 30m ago

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

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