// Station · 14m ago

KSEA

Seattle–Tacoma International Airport

CAT VFR

WIND 210° / 4 kt

VIS 10+ SM

CEILING OVC at 6,000 ft

T/Td 14.4°C / 10.6°C

ALTIM 29.96 inHg

ELEV 433 FT

47.4479°N / 122.3103°W

LOCATION · Seattle, US

WIND

210°4 kt

KSEA · 433 FT

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

METRIC

NOW · 12Z

+6H

+12H

+18H

WIND

210°/4

VIS

10+ SM

CEILING

OVC060

LAYERS

FEW010 OVC060

T / Td

14 / 11

ALTIM

29.96"

// Interpretation

VFR — ceiling 6,000 ft. Light winds at 210°/4 kt, visibility better than 10 statute miles, a few at 1,000 ft, and overcast at 6,000 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 KSEA 111253Z 21004KT 10SM FEW010 OVC060 14/11 A2996 RMK AO2 SLP150 T01440106 $

KSEA · day 11 at 12:53 UTC · wind from 210° at 4 kt · visibility 10+ SM · a few clouds at 1,000 ft · overcast at 6,000 ft · temp 14°C / dewpoint 11°C · altimeter 29.96" Hg · automated station w/ precipitation discriminator · sea-level pressure 1015.0 mb

// Runway analysis · computed from current METAR wind

Wind 210° @ 4 kt

ALL USABLE · WINDS CALM

WIND

210°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 6 ends

16L HDG 160° —CALM —— 11,901'

34R HDG 340° —CALM —— 11,901'

16C HDG 160° —CALM —— 9,426'

34C HDG 340° —CALM —— 9,426'

16R HDG 160° —CALM —— 8,500'

34L HDG 340° —CALM —— 8,500'

Pattern altitude: 1,433 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 +0°C

400FT

-33 FT BELOW FIELD ELEV

FIELD ELEV433 FT OAT+14°C ISA DELTA+0°C PRESSURE ALT392 FT

// Performance equivalent Operating here right now feels like operating at KRLD (Richland Airport, Richland, elev 394 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+4%

-3%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+3%

-2%

Light jetCJ4, Phenom 300, M2

+2%

-1%

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)

OVC060

Overcast · base 6,000 ft AGL · 8 oktas

FEW010

Few · base 1,000 ft AGL · ~1–2 oktas

// Computed

CEILING6,000 ft AGL HIGHEST LAYER6,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL7,706 ft VFR MARGIN+3,000 ft

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

12:24ZSUNRISE

20:15ZSOLAR NOON

04:06ZSUNSET

04:45ZCIVIL END

CURRENT13:07Z DAYLIGHT REMAINING14h 58m VFR NIGHT BEGINS04:45Z (15h 38m) DAY LENGTH15h 41m

Waning Crescent

ILLUMINATION11% MOONRISE09:46Z MOONSET01:28Z FULL MOON IN18 days

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

KSHN

VFR

Sanderson Field · Shelton

WIND: 200° / 4 kt
VIS: 10+ SM
CEILING: CLR
DIST: 36 NM W
AGE: 14m ago

KOLM

VFR

Olympia Regional Airport · Olympia

WIND: 210° / 7 kt
VIS: 10+ SM
CEILING: BKN085
DIST: 38 NM SW
AGE: 13m ago

K0S9

MVFR

Jefferson County International Airport · Port Townsend

WIND: 280° / 7 kt
VIS: 10+ SM
CEILING: OVC026
DIST: 42 NM NW
AGE: 12m ago

KAWO

VFR

Arlington Municipal Airport · Arlington

WIND: 350° / 4 kt
VIS: 10+ SM
CEILING: OVC031
DIST: 43 NM N
AGE: 11m ago

KNRA

MVFR

Coupeville Nolf Airport · Coupeville

WIND: 260° / 7 kt
VIS: 10+ SM
CEILING: OVC029
DIST: 46 NM N
AGE: 21m ago

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

AIRSPACE

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