// Station · 7m ago

KSSF

Stinson Municipal Airport

CAT MVFR

WIND 080° / 5 kt

VIS 10+ SM

CEILING BKN at 1,100 ft

T/Td 17.8°C / 16.7°C

ALTIM 29.81 inHg

ELEV 577 FT

29.3370°N / 98.4711°W

LOCATION · San Antonio, US

WIND

080°5 kt

KSSF · 577 FT

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

METRIC

NOW · 10Z

+6H

+12H

+18H

WIND

080°/5

VIS

10+ SM

CEILING

BKN011

LAYERS

BKN011

T / Td

18 / 17

ALTIM

29.81"

// Interpretation

MVFR — ceiling 1,100 ft. Light winds at 080°/5 kt, visibility better than 10 statute miles, broken at 1,100 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

SPECI KSSF 271042Z AUTO 08005KT 10SM BKN011 18/17 A2981 RMK AO2 LTG DSNT S AND SW CIG 008V014 T01780167 $

KSSF · day 27 at 10:42 UTC · wind from 080° at 5 kt · visibility 10+ SM · broken layer at 1,100 ft · temp 18°C / dewpoint 17°C · altimeter 29.81" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 080° @ 5 kt

2 USABLE · 2 AVOID

WIND

080°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

09★ HDG 090° H5 kt X1 kt LEFT PRIMARY · 5,000'

14 HDG 140° H3 kt X4 kt LEFT 4,128'

TAILWIND ENDS · AVOID 2 ends

32 HDG 320° T3 kt X4 kt RIGHT —

27 HDG 270° T5 kt X1 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 +4°C

1,200FT

+623 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -400 FT

24h AGO18h12h6hNOW

FIELD ELEV577 FT OAT+18°C ISA DELTA+4°C PRESSURE ALT684 FT

// Performance equivalent Operating here right now feels like operating at KDLF (Laughlin Air Force Base, Del Rio, elev 1,082 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-4%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

BKN011

Broken · base 1,100 ft AGL · ~5–7 oktas

// Computed

CEILING1,100 ft AGL HIGHEST LAYER1,100 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL9,567 ft VFR MARGIN-1,900 ft

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

11:37ZSUNRISE

18:32ZSOLAR NOON

01:27ZSUNSET

01:53ZCIVIL END

CURRENT10:49Z DAYLIGHT REMAINING14h 38m VFR NIGHT BEGINS01:53Z (15h 04m) DAY LENGTH13h 49m

Waxing Gibbous

ILLUMINATION83% MOONRISE20:20Z MOONSET10:10Z FULL MOON IN4 days

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

KSKF

VFR → MVFR 15Z

Lackland Air Force Base · San Antonio

WIND: 100° / 5 kt
VIS: 10+ SM
CEILING: CLR
DIST: 6 NM NW
AGE: 54m ago

KSAT

VFR → MVFR 12Z

San Antonio International Airport · San Antonio

WIND: 100° / 4 kt
VIS: 10+ SM
CEILING: OVC250
DIST: 12 NM N
AGE: 40m ago

KRND

VFR → MVFR 13Z

Randolph Air Force Base · Universal City

WIND: CALM
VIS: 10+ SM
CEILING: FEW008
DIST: 15 NM NE
AGE: 54m ago

KBAZ

IFR

New Braunfels National Airport · New Braunfels

WIND: CALM
VIS: 10+ SM
CEILING: BKN008
DIST: 31 NM NE
AGE: 18m ago

KHYI

IFR

San Marcos Regional Airport · San Marcos

WIND: 210° / 5 kt
VIS: 10+ SM
CEILING: BKN009
DIST: 46 NM NE
AGE: 8m ago

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

AIRSPACE

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