// Station · 21m ago

KTIW

Tacoma Narrows Airport

CAT VFR

WIND 250° / 5 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 17.8°C / 8.3°C

ALTIM 30.02 inHg

ELEV 294 FT

47.2674°N / 122.5773°W

LOCATION · Tacoma, US

WIND

250°5 kt

KTIW · 294 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

250°/5

VIS

10+ SM

CEILING

—

LAYERS

SCT075

T / Td

18 / 8

ALTIM

30.02"

// Interpretation

VFR with light winds at 250°/5 kt. Visibility better than 10 statute miles and scattered at 7,500 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 KTIW 111753Z 25005KT 10SM SCT075 18/08 A3002 RMK AO2 SLP162 T01780083 10178 20139 50007

KTIW · day 11 at 17:53 UTC · wind from 250° at 5 kt · visibility 10+ SM · scattered layer at 7,500 ft · temp 18°C / dewpoint 8°C · altimeter 30.02" Hg · automated station w/ precipitation discriminator · sea-level pressure 1016.2 mb

// Runway analysis · computed from current METAR wind

Wind 250° @ 5 kt

1 USABLE · 1 AVOID

WIND

250°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

17★ HDG 170° H1 kt X5 kt RIGHT PRIMARY · 5,002'

TAILWIND ENDS · AVOID 1 ends

35 HDG 350° T1 kt X5 kt LEFT —

Pattern altitude: 1,294 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 +3°C

600FT

+306 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -300 FT

24h AGO18h12h6hNOW

FIELD ELEV294 FT OAT+18°C ISA DELTA+3°C PRESSURE ALT191 FT

// Performance equivalent Operating here right now feels like operating at KPAE (Seattle Paine Field International Airport, Everett, elev 606 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.

// Cloud layers · 1 reported · highest to lowest

// Reported layers (highest → lowest)

SCT075

Scattered · base 7,500 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER7,500 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL9,284 ft VFR MARGINunlimited

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

12:26ZSUNRISE

20:16ZSOLAR NOON

04:07ZSUNSET

04:45ZCIVIL END

CURRENT18:14Z DAYLIGHT REMAINING9h 52m VFR NIGHT BEGINS04:45Z (10h 31m) DAY LENGTH15h 40m

Waning Crescent

ILLUMINATION10% MOONRISE09:58Z MOONSET01:39Z FULL MOON IN18 days

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

KTCM

VFR → MVFR 09Z

McChord Air Force Base · Tacoma

WIND: 290° / 5 kt
VIS: 10+ SM
CEILING: CLR
DIST: 9 NM SE
AGE: 19m ago

KGRF

VFR

Gray Army Air Field · Fort Lewis/Tacoma

WIND: CALM
VIS: 10+ SM
CEILING: SCT065
DIST: 11 NM S
AGE: 19m ago

KSEA

VFR

Seattle–Tacoma International Airport · Seattle

WIND: CALM
VIS: 10+ SM
CEILING: FEW020
DIST: 15 NM NE
AGE: 21m ago

KPLU

VFR

Pierce County-Thun Field · Puyallup

WIND: CALM
VIS: 9.0 SM
CEILING: CLR
DIST: 15 NM SE
AGE: 19m ago

KPWT

VFR → MVFR 10Z

Bremerton National Airport · Bremerton

WIND: VRB / 3 kt
VIS: 10+ SM
CEILING: FEW029
DIST: 15 NM NW
AGE: 18m ago

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

AIRSPACE

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