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// Station · 22m ago

KSTL

St. Louis Lambert International Airport
CAT MVFR
WIND 190° / 6 kt
VIS 10+ SM
CEILING OVC at 1,200 ft
T/Td 23.3°C / 22.2°C
ALTIM 29.97 inHg
ELEV 618 FT
38.7487°N / 90.3700°W
LOCATION · St Louis, US
N
WIND
190°6 kt
KSTL · 618 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
190°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
OVC012
 
 
 
LAYERS
SCT008 OVC012
 
 
 
T / Td
23 / 22
 
 
 
ALTIM
29.97"
 
 
 

// Interpretation

MVFR — ceiling 1,200 ft. Light winds at 190°/6 kt, visibility better than 10 statute miles, scattered at 800 ft, and overcast at 1,200 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

SPECI KSTL 111358Z 19006KT 10SM SCT008 OVC012 23/22 A2997 RMK AO2 T02330222 $

KSTL · day 11 at 13:58 UTC · wind from 190° at 6 kt · visibility 10+ SM · scattered layer at 800 ft · overcast at 1,200 ft · temp 23°C / dewpoint 22°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 190° @ 6 kt
4 USABLE · 4 AVOID · 3 CAUTION
N
WIND
190°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 4 usable
24 HDG 240° H4 kt X5 kt LEFT PRIMARY · 7,603'
12L HDG 120° H2 kt X6 kt RIGHT ⚠ HIGH XW · 100%
12R HDG 120° H2 kt X6 kt RIGHT ⚠ HIGH XW · 100%
11 HDG 110° H1 kt X6 kt RIGHT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 4 ends
29 HDG 290° T1 kt X6 kt LEFT
30R HDG 300° T2 kt X6 kt LEFT
30L HDG 300° T2 kt X6 kt LEFT
06 HDG 060° T4 kt X5 kt RIGHT
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 +9°C

1,700FT
+1,082 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -600 FT
2,900 2,100 1,300
24h AGO18h12h6hNOW
FIELD ELEV618 FT OAT+23°C ISA DELTA+9°C PRESSURE ALT565 FT
// Performance equivalent Operating here right now feels like operating at KLBO (Floyd W. Jones Lebanon Airport, Lebanon, elev 1,321 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+17%
-12%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+12%
-8%
Light jetCJ4, Phenom 300, M2
+7%
-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 · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,386 FT SCT008 OVC012 · CEILING KSTL ELEV · 618 FT
// Reported layers (highest → lowest)
OVC012
Overcast · base 1,200 ft AGL · 8 oktas
SCT008
Scattered · base 800 ft AGL · ~3–4 oktas
// Computed
CEILING1,200 ft AGL HIGHEST LAYER1,200 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL12,386 ft VFR MARGIN-1,800 ft

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

10:47ZSUNRISE
18:08ZSOLAR NOON
01:29ZSUNSET
02:00ZCIVIL END
CURRENT14:20Z DAYLIGHT REMAINING11h 08m VFR NIGHT BEGINS02:00Z (11h 39m) DAY LENGTH14h 41m
Waning Crescent
ILLUMINATION11% MOONRISE08:11Z MOONSET22:53Z 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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