// Station · 17m ago

KSSF

Stinson Municipal Airport

CAT VFR

WIND 070° / 6 kt G18

VIS 10+ SM

CEILING CLR

T/Td 34.4°C / 19.4°C

ALTIM 30.01 inHg

ELEV 577 FT

29.3370°N / 98.4711°W

LOCATION · San Antonio, US

WIND

070°6 kt

KSSF · 577 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

070°/6G18

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

34 / 19

ALTIM

30.01"

// Interpretation

VFR with light winds at 070°/6 kt, gusting 18. Visibility better than 10 statute miles and no reported cloud layers. 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 KSSF 251753Z 07006G18KT 10SM CLR 34/19 A3001 RMK AO2 SLP148 T03440194 10350 20217 58010 $

KSSF · day 25 at 17:53 UTC · wind from 070° at 6 kt, gusts to 18 kt · visibility 10+ SM · temp 34°C / dewpoint 19°C · altimeter 30.01" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.8 mb

// Runway analysis · computed from current METAR wind

Wind 070° @ 6 ktG18

2 USABLE · 2 AVOID

WIND

070°6G18 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

09★ HDG 090° H6 kt X2 kt LEFT PRIMARY · 5,000'

14 HDG 140° H2 kt X6 kt LEFT 4,128'

TAILWIND ENDS · AVOID 2 ends

32 HDG 320° T2 kt X6 kt RIGHT —

27 HDG 270° T6 kt X2 kt RIGHT —

Pattern altitude: 1,577 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 +20°C

2,900FT

+2,323 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV577 FT OAT+34°C ISA DELTA+20°C PRESSURE ALT486 FT

// Performance equivalent Operating here right now feels like operating at KPYX (Perryton Ochiltree County Airport, Perryton, elev 2,918 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+29%

-20%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+20%

-13%

Light jetCJ4, Phenom 300, M2

+12%

-9%

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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL17,951 ft VFR MARGINunlimited

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

12:09ZSUNRISE

18:37ZSOLAR NOON

01:05ZSUNSET

01:30ZCIVIL END

CURRENT18:10Z DAYLIGHT REMAINING6h 54m VFR NIGHT BEGINS01:30Z (7h 19m) DAY LENGTH12h 56m

Waxing Gibbous

ILLUMINATION94% MOONRISE22:15Z MOONSET11:12Z FULL MOON IN2 days

// Nearest reporting stations

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

AIRSPACE

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