// Station · 7m ago

KSET

St Charles County Regional Airport/Smartt Field

CAT VFR

WIND 040° / 6 kt

VIS 10+ SM

CEILING BKN at 4,400 ft

T/Td 26.1°C / 19.4°C

ALTIM 29.95 inHg

ELEV 437 FT

38.9297°N / 90.4300°W

LOCATION · St Charles, US

WIND

040°6 kt

KSET · 437 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

040°/6

VIS

10+ SM

CEILING

BKN044

LAYERS

BKN044 BKN075

T / Td

26 / 19

ALTIM

29.95"

// Interpretation

VFR — ceiling 4,400 ft. Light winds at 040°/6 kt, visibility better than 10 statute miles, broken at 4,400 ft, and broken at 7,500 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 KSET 302054Z AUTO 04006KT 10SM BKN044 BKN075 26/19 A2995 RMK AO2 LTG DSNT S-NW SLP137 T02610194 55005

KSET · day 30 at 20:54 UTC · wind from 040° at 6 kt · visibility 10+ SM · broken layer at 4,400 ft · broken layer at 7,500 ft · temp 26°C / dewpoint 19°C · altimeter 29.95" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.7 mb

// Runway analysis · computed from current METAR wind

Wind 040° @ 6 kt

2 USABLE · 2 AVOID

WIND

040°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

36★ HDG 360° H5 kt X4 kt RIGHT PRIMARY · 3,800'

09 HDG 090° H4 kt X5 kt LEFT 2,000'

TAILWIND ENDS · AVOID 2 ends

27 HDG 270° T4 kt X5 kt RIGHT —

18 HDG 180° T5 kt X4 kt LEFT —

Pattern altitude: 1,437 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

1,800FT

+1,363 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -200 FT

24h AGO18h12h6hNOW

FIELD ELEV437 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT405 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

// Reported layers (highest → lowest)

BKN075

Broken · base 7,500 ft AGL · ~5–7 oktas

BKN044

Broken · base 4,400 ft AGL · ~5–7 oktas

// Computed

CEILING4,400 ft AGL HIGHEST LAYER7,500 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL13,619 ft VFR MARGIN+1,400 ft

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

10:40ZSUNRISE

18:00ZSOLAR NOON

01:20ZSUNSET

01:52ZCIVIL END

CURRENT21:01Z DAYLIGHT REMAINING4h 19m VFR NIGHT BEGINS01:52Z (4h 50m) DAY LENGTH14h 40m

Full Moon

ILLUMINATION100% MOONRISE22:10Z MOONSET12:50Z FULL MOON IN1 day

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

KSTL

VFR

St. Louis Lambert International Airport · St Louis

WIND: 090° / 5 kt
VIS: 10+ SM
CEILING: BKN140
DIST: 11 NM S
AGE: 10m ago

KALN

VFR

St Louis Regional Airport · Alton/St Louis

WIND: 090° / 6 kt
VIS: 10+ SM
CEILING: CLR
DIST: 18 NM E
AGE: 16m ago

KSUS

IFR → VFR 01Z

Spirit of St Louis Airport · St Louis

WIND: CALM
VIS: 1.0 SM
CEILING: OVC043
DIST: 19 NM SW
AGE: 7m ago

KCPS

VFR

St Louis Downtown Airport · Cahokia/St Louis

WIND: 190° / 4 kt
VIS: 10+ SM
CEILING: SCT050
DIST: 25 NM SE
AGE: 8m ago

KBLV

VFR → MVFR 20Z

Scott AFB/Midamerica Airport · Belleville

WIND: 130° / 5 kt
VIS: 10+ SM
CEILING: BKN050
DIST: 36 NM SE
AGE: 13m ago

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

AIRSPACE

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