// Station · 10m ago

KSEP

Stephenville Clark Regional Airport

CAT VFR

WIND 090° / 7 kt G18

VIS 10+ SM

CEILING Few/scattered only

T/Td 37.9°C / 11.6°C

ALTIM 30.01 inHg

ELEV 1,321 FT

32.2153°N / 98.1777°W

LOCATION · Stephenville, US

WIND

090°7 kt

KSEP · 1,321 FT

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

METRIC

NOW · 22Z

+6H

+12H

+18H

WIND

090°/7G18

VIS

10+ SM

CEILING

—

LAYERS

SCT100

T / Td

38 / 12

ALTIM

30.01"

// Interpretation

VFR with light winds at 090°/7 kt, gusting 18. Visibility better than 10 statute miles and scattered at 10,000 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 KSEP 282255Z AUTO 09007G18KT 10SM SCT100 38/12 A3001 RMK AO2 T03790116

KSEP · day 28 at 22:55 UTC · wind from 090° at 7 kt, gusts to 18 kt · visibility 10+ SM · scattered layer at 10,000 ft · temp 38°C / dewpoint 12°C · altimeter 30.01" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 090° @ 7 ktG18

1 USABLE · 1 AVOID

WIND

090°7G18 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

14★ HDG 140° H4 kt X5 kt LEFT PRIMARY · 4,209'

TAILWIND ENDS · AVOID 1 ends

32 HDG 320° T4 kt X5 kt RIGHT —

Pattern altitude: 2,321 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 +25°C

4,300FT

+2,979 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,321 FT OAT+38°C ISA DELTA+25°C PRESSURE ALT1,230 FT

// Performance equivalent Operating here right now feels like operating at KE38 (Alpine Casparis Municipal Airport, Alpine, elev 4,515 ft) on a standard ISA day.

// Aircraft performance impact DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+43%

-30%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+30%

-19%

Light jetCJ4, Phenom 300, M2

+17%

-13%

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)

SCT100

Scattered · base 10,000 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER10,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL20,462 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-7)

12:06ZSUNRISE

18:35ZSOLAR NOON

01:04ZSUNSET

01:29ZCIVIL END

CURRENT23:05Z DAYLIGHT REMAINING1h 58m VFR NIGHT BEGINS01:29Z (2h 23m) DAY LENGTH12h 57m

Full Moon

ILLUMINATION99% MOONRISE00:49Z MOONSET13:46Z FULL MOON IN29 days

// Nearest reporting stations

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

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