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// Station · 15m ago

KSTL

St. Louis Lambert International Airport
CAT MVFR
WIND 250° / 7 kt
VIS 10+ SM
CEILING OVC at 1,700 ft
T/Td 23.9°C / 21.7°C
ALTIM 29.98 inHg
ELEV 618 FT
38.7487°N / 90.3700°W
LOCATION · St Louis, US
N
WIND
250°7 kt
KSTL · 618 FT
© OSM · CartoDB

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

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
250°/7
 
 
 
VIS
10+ SM
 
 
 
CEILING
OVC017
 
 
 
LAYERS
FEW008 OVC017
 
 
 
T / Td
24 / 22
 
 
 
ALTIM
29.98"
 
 
 

// Interpretation

MVFR — ceiling 1,700 ft. Light winds at 250°/7 kt, visibility better than 10 statute miles, a few at 800 ft, and overcast at 1,700 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 111451Z 25007KT 10SM FEW008 OVC017 24/22 A2998 RMK AO2 SLP144 60082 T02390217 51005 $

KSTL · day 11 at 14:51 UTC · wind from 250° at 7 kt · visibility 10+ SM · a few clouds at 800 ft · overcast at 1,700 ft · temp 24°C / dewpoint 22°C · altimeter 29.98" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.4 mb

// Runway analysis · computed from current METAR wind

Wind 250° @ 7 kt
4 USABLE · 4 AVOID
N
WIND
250°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 4 usable
24 HDG 240° H7 kt X1 kt RIGHT PRIMARY · 7,603'
29 HDG 290° H5 kt X4 kt LEFT 9,000'
30R HDG 300° H4 kt X5 kt LEFT 9,013'
30L HDG 300° H4 kt X5 kt LEFT 11,020'
TAILWIND ENDS · AVOID 4 ends
12L HDG 120° T4 kt X5 kt RIGHT
12R HDG 120° T4 kt X5 kt RIGHT
11 HDG 110° T5 kt X4 kt RIGHT
06 HDG 060° T7 kt X1 kt LEFT
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 +10°C

1,800FT
+1,182 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -500 FT
2,900 2,100 1,300
24h AGO18h12h6hNOW
FIELD ELEV618 FT OAT+24°C ISA DELTA+10°C PRESSURE ALT556 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
+18%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-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 · 12,689 FT FEW008 OVC017 · CEILING KSTL ELEV · 618 FT
// Reported layers (highest → lowest)
OVC017
Overcast · base 1,700 ft AGL · 8 oktas
FEW008
Few · base 800 ft AGL · ~1–2 oktas
// Computed
CEILING1,700 ft AGL HIGHEST LAYER1,700 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL12,689 ft VFR MARGIN-1,300 ft

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

10:47ZSUNRISE
18:08ZSOLAR NOON
01:29ZSUNSET
02:00ZCIVIL END
CURRENT15:06Z DAYLIGHT REMAINING10h 22m VFR NIGHT BEGINS02:00Z (10h 53m) DAY LENGTH14h 41m
Waning Crescent
ILLUMINATION11% MOONRISE08:12Z MOONSET22:54Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 60 NM radius

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

© OpenStreetMap · CartoDB · OpenAIP
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