// Station · 26m ago

KTCM

McChord Air Force Base

CAT VFR

WIND 240° / 5 kt

VIS 10+ SM

CEILING OVC at 7,000 ft

T/Td 15.4°C / 9.1°C

ALTIM 29.97 inHg

ELEV 322 FT

47.1377°N / 122.4760°W

LOCATION · Tacoma, US

WIND

240°5 kt

KTCM · 322 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

240°/5

VIS

10+ SM

CEILING

OVC070

LAYERS

OVC070

T / Td

15 / 9

ALTIM

29.97"

// Interpretation

VFR — ceiling 7,000 ft. Light winds at 240°/5 kt, visibility better than 10 statute miles, overcast at 7,000 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 KTCM 111355Z AUTO 24005KT 10SM OVC070 15/09 A2997 RMK AO2 SLP151 T01540091 $

KTCM · day 11 at 13:55 UTC · wind from 240° at 5 kt · visibility 10+ SM · overcast at 7,000 ft · temp 15°C / dewpoint 9°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator · sea-level pressure 1015.1 mb

// Runway analysis · computed from current METAR wind

Wind 240° @ 5 kt

2 USABLE · 2 AVOID

WIND

240°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

16★ HDG 160° H1 kt X5 kt RIGHT PRIMARY · 10,108'

160 HDG 160° H1 kt X5 kt RIGHT 3,000'

TAILWIND ENDS · AVOID 2 ends

34 HDG 340° T1 kt X5 kt LEFT —

340 HDG 340° T1 kt X5 kt LEFT —

Pattern altitude: 1,322 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

400FT

+78 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +0 FT

24h AGO18h12h6hNOW

FIELD ELEV322 FT OAT+15°C ISA DELTA+1°C PRESSURE ALT269 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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

OVC070

Overcast · base 7,000 ft AGL · 8 oktas

// Computed

CEILING7,000 ft AGL HIGHEST LAYER7,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL8,100 ft VFR MARGIN+4,000 ft

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

12:26ZSUNRISE

20:16ZSOLAR NOON

04:06ZSUNSET

04:44ZCIVIL END

CURRENT14:21Z DAYLIGHT REMAINING13h 44m VFR NIGHT BEGINS04:44Z (14h 23m) DAY LENGTH15h 39m

Waning Crescent

ILLUMINATION11% MOONRISE09:51Z MOONSET01:30Z FULL MOON IN18 days

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

KGRF

VFR → MVFR 07Z

Gray Army Air Field · Fort Lewis/Tacoma

WIND: 160° / 7 kt
VIS: 10+ SM
CEILING: BKN075
DIST: 6 NM SW
AGE: 26m ago

KPLU

VFR

Pierce County-Thun Field · Puyallup

WIND: CALM
VIS: 10+ SM
CEILING: BKN060
DIST: 8 NM E
AGE: 6m ago

KTIW

VFR

Tacoma Narrows Airport · Tacoma

WIND: 190° / 6 kt
VIS: 10+ SM
CEILING: OVC075
DIST: 9 NM NW
AGE: 28m ago

KSEA

VFR

Seattle–Tacoma International Airport · Seattle

WIND: 210° / 4 kt
VIS: 10+ SM
CEILING: BKN070
DIST: 20 NM N
AGE: 28m ago

KOLM

VFR

Olympia Regional Airport · Olympia

WIND: 210° / 8 kt
VIS: 10+ SM
CEILING: OVC080
DIST: 20 NM SW
AGE: 27m ago

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

AIRSPACE

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