// Station · 2h 9m ago · STALE

GOSS

Saint Louis Airport

CAT VFR

WIND 280° / 8 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 30°C / 25°C

ALTIM 29.94 inHg

ELEV 9 FT

16.0498°N / 16.4610°W

LOCATION · Saint Louis, SN

WIND

280°8 kt

GOSS · 9 FT

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

METRIC

NOW · 09Z

+6H

+12H

+18H

WIND

280°/8

VIS

6+ SM

CEILING

—

LAYERS

FEW013

T / Td

30 / 25

ALTIM

29.94"

// Interpretation

VFR with moderate winds at 280°/8 kt. Visibility 6+ SM and a few at 1,300 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 GOSS 100900Z 28008KT 9999 FEW013 30/25 Q1014

GOSS · day 10 at 09:00 UTC · wind from 280° at 8 kt · visibility 6+ SM · a few clouds at 1,300 ft · temp 30°C / dewpoint 25°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 280° @ 8 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

280°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

36★ HDG 360° H1 kt X8 kt LEFT PRIMARY · 6,230'

TAILWIND ENDS · AVOID 1 ends

18 HDG 180° T1 kt X8 kt RIGHT —

Pattern altitude: 1,009 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 +15°C

1,800FT

+1,791 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -100 FT

24h AGO18h12h6hNOW

FIELD ELEV9 FT OAT+30°C ISA DELTA+15°C PRESSURE ALT-14 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,800 ft high on a standard ISA day — that's +1,791 ft above GOSS's actual elevation.

// Aircraft performance impact MODERATE

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · 1 reported · highest to lowest

// Reported layers (highest → lowest)

FEW013

Few · base 1,300 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER1,300 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL15,161 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-1)

06:50ZSUNRISE

13:12ZSOLAR NOON

19:34ZSUNSET

19:57ZCIVIL END

CURRENT11:09Z DAYLIGHT REMAINING8h 25m VFR NIGHT BEGINS19:57Z (8h 48m) DAY LENGTH12h 44m

Waning Crescent

ILLUMINATION9% MOONRISE04:31Z MOONSET17:15Z FULL MOON IN18 days

// Nearest reporting stations

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

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