// Station · 19m ago

KSFO

San Francisco International Airport

CAT VFR

WIND 250° / 10 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 19.4°C / 7.8°C

ALTIM 29.90 inHg

ELEV 13 FT

37.6198°N / 122.3748°W

LOCATION · San Francisco, US

WIND

250°10 kt

KSFO · 13 FT

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

METRIC

NOW · 23Z

+6H

+12H

+18H

WIND

250°/10

VIS

10+ SM

CEILING

—

LAYERS

FEW028

T / Td

19 / 8

ALTIM

29.90"

// Interpretation

VFR with moderate winds at 250°/10 kt. Visibility better than 10 statute miles and a few at 2,800 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 KSFO 122356Z 25010KT 10SM FEW028 19/08 A2990 RMK AO2 SLP125 T01940078 10206 20161 55001 $

KSFO · day 12 at 23:56 UTC · wind from 250° at 10 kt · visibility 10+ SM · a few clouds at 2,800 ft · temp 19°C / dewpoint 8°C · altimeter 29.90" Hg · automated station w/ precipitation discriminator · sea-level pressure 1012.5 mb

// Runway analysis · computed from current METAR wind

Wind 250° @ 10 kt

4 USABLE · 4 AVOID · 2 CAUTION

WIND

250°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 4 usable

28R★ HDG 280° H9 kt X5 kt LEFT PRIMARY · 11,870'

28L HDG 280° H9 kt X5 kt LEFT 11,381'

19R HDG 190° H5 kt X9 kt RIGHT ⚠ HIGH XW · 90%

19L HDG 190° H5 kt X9 kt RIGHT ⚠ HIGH XW · 90%

TAILWIND ENDS · AVOID 4 ends

1L HDG 010° T5 kt X9 kt LEFT —

1R HDG 010° T5 kt X9 kt LEFT —

10L HDG 100° T9 kt X5 kt RIGHT —

10R HDG 100° T9 kt X5 kt RIGHT —

Pattern altitude: 1,013 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

600FT

+587 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV13 FT OAT+19°C ISA DELTA+4°C PRESSURE ALT31 FT

// Performance equivalent Operating here right now feels like operating at KUKI (Ukiah Municipal Airport, Ukiah, elev 614 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+6%

-4%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+4%

-3%

Light jetCJ4, Phenom 300, M2

+2%

-2%

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)

FEW028

Few · base 2,800 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER2,800 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL9,811 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-8)

14:16ZSUNRISE

19:57ZSOLAR NOON

01:38ZSUNSET

02:04ZCIVIL END

CURRENT00:15Z DAYLIGHT REMAINING1h 22m VFR NIGHT BEGINS02:04Z (1h 49m) DAY LENGTH11h 22m

Waxing Crescent

ILLUMINATION3% MOONRISE15:35Z MOONSET02:57Z FULL MOON IN13 days

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