// Station · 4m ago

KSJC

Norman Y. Mineta San Jose International Airport

CAT VFR

WIND CALM

VIS 10+ SM

CEILING BKN at 4,000 ft

T/Td 13.9°C / 11.1°C

ALTIM 29.93 inHg

ELEV 62 FT

37.3625°N / 121.9292°W

LOCATION · San Jose, US

WIND

000°0 kt

KSJC · 62 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

BKN040

LAYERS

FEW011 BKN040

T / Td

14 / 11

ALTIM

29.93"

// Interpretation

VFR — ceiling 4,000 ft. Winds calm, visibility better than 10 statute miles, a few at 1,100 ft, and broken at 4,000 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 KSJC 111353Z 00000KT 10SM FEW011 BKN040 14/11 A2993 RMK AO2 SLP133 T01390111

KSJC · day 11 at 13:53 UTC · winds calm · visibility 10+ SM · a few clouds at 1,100 ft · broken layer at 4,000 ft · temp 14°C / dewpoint 11°C · altimeter 29.93" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.3 mb

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

12L HDG 120° —CALM —— 11,000'

30R HDG 300° —CALM —— 11,000'

12R HDG 120° —CALM —— 11,000'

30L HDG 300° —CALM —— 11,000'

Pattern altitude: 1,062 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 -1°C

-100FT

-162 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↘ -300 FT

24h AGO18h12h6hNOW

FIELD ELEV62 FT OAT+14°C ISA DELTA-1°C PRESSURE ALT50 FT

// Performance equivalent Operating here right now feels like operating at KTRM (Jacqueline Cochran Regional Airport, Palm Springs, elev -115 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+0%

-0%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+0%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN040

Broken · base 4,000 ft AGL · ~5–7 oktas

FEW011

Few · base 1,100 ft AGL · ~1–2 oktas

// Computed

CEILING4,000 ft AGL HIGHEST LAYER4,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL7,082 ft VFR MARGIN+1,000 ft

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

12:57ZSUNRISE

20:14ZSOLAR NOON

03:31ZSUNSET

04:01ZCIVIL END

CURRENT13:57Z DAYLIGHT REMAINING13h 33m VFR NIGHT BEGINS04:01Z (14h 03m) DAY LENGTH14h 33m

Waning Crescent

ILLUMINATION11% MOONRISE10:20Z MOONSET00:54Z FULL MOON IN18 days

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

KRHV

VFR

Reid-Hillview Airport of Santa Clara County · San Jose

WIND: CALM
VIS: 10+ SM
CEILING: SCT010
DIST: 6 NM E
AGE: 2m ago

KNUQ

MVFR

Moffett Federal Airfield · Mountain View

WIND: CALM
VIS: 9.0 SM
CEILING: OVC011
DIST: 7 NM NW
AGE: 22m ago

KSQL

VFR

San Carlos Airport · San Carlos

WIND: 190° / 3 kt
VIS: 10+ SM
CEILING: CLR
DIST: 18 NM NW
AGE: 2m ago

KHWD

MVFR

Hayward Executive Airport · Hayward

WIND: 240° / 5 kt
VIS: 10+ SM
CEILING: BKN011
DIST: 20 NM NW
AGE: 3m ago

KLVK

VFR

Livermore Municipal Airport · Livermore

WIND: 290° / 6 kt
VIS: 10+ SM
CEILING: CLR
DIST: 21 NM N
AGE: 4m ago

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

AIRSPACE

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