// Station · 14m ago

KGRF

Gray Army Air Field

CAT VFR

WIND 130° / 5 kt

VIS 10+ SM

CEILING OVC at 7,000 ft

T/Td 14.9°C / 9.3°C

ALTIM 29.93 inHg

ELEV 300 FT

47.0792°N / 122.5810°W

LOCATION · Fort Lewis/Tacoma, US

WIND

130°5 kt

KGRF · 300 FT

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

METRIC

NOW · 12Z

+6H

+12H

+18H

WIND

130°/5

VIS

10+ SM

CEILING

OVC070

LAYERS

OVC070

T / Td

15 / 9

ALTIM

29.93"

// Interpretation

VFR — ceiling 7,000 ft. Light winds at 130°/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 KGRF 111255Z AUTO 13005KT 10SM OVC070 15/09 A2993 RMK AO2 SLP137 T01490093 $

KGRF · day 11 at 12:55 UTC · wind from 130° at 5 kt · visibility 10+ SM · overcast at 7,000 ft · temp 15°C / dewpoint 9°C · altimeter 29.93" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.7 mb

// Runway analysis · computed from current METAR wind

Wind 130° @ 5 kt

1 USABLE · 1 AVOID

WIND

130°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

15★ HDG 150° H5 kt X2 kt LEFT PRIMARY · 6,124'

TAILWIND ENDS · AVOID 1 ends

33 HDG 330° T5 kt X2 kt RIGHT —

Pattern altitude: 1,300 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

300FT

+0 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV300 FT OAT+15°C ISA DELTA+0°C PRESSURE ALT288 FT

// Performance equivalent Operating here right now feels like operating at KTIW (Tacoma Narrows Airport, Tacoma, elev 294 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+3%

-2%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+2%

-1%

Light jetCJ4, Phenom 300, M2

+1%

-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 LEVEL7,825 ft VFR MARGIN+4,000 ft

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

12:27ZSUNRISE

20:16ZSOLAR NOON

04:06ZSUNSET

04:44ZCIVIL END

CURRENT13:09Z DAYLIGHT REMAINING14h 56m VFR NIGHT BEGINS04:44Z (15h 35m) DAY LENGTH15h 38m

Waning Crescent

ILLUMINATION11% MOONRISE09:49Z MOONSET01:28Z FULL MOON IN18 days

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

KTCM

VFR → MVFR 06Z

McChord Air Force Base · Tacoma

WIND: 200° / 5 kt
VIS: 10+ SM
CEILING: OVC065
DIST: 6 NM NE
AGE: 14m ago

KTIW

VFR

Tacoma Narrows Airport · Tacoma

WIND: 200° / 6 kt
VIS: 10+ SM
CEILING: BKN070
DIST: 11 NM N
AGE: 16m ago

KPLU

VFR

Pierce County-Thun Field · Puyallup

WIND: CALM
VIS: 9.0 SM
CEILING: OVC060
DIST: 12 NM E
AGE: 14m ago

KOLM

VFR

Olympia Regional Airport · Olympia

WIND: 210° / 7 kt
VIS: 10+ SM
CEILING: BKN085
DIST: 15 NM SW
AGE: 15m ago

KSEA

VFR

Seattle–Tacoma International Airport · Seattle

WIND: 210° / 4 kt
VIS: 10+ SM
CEILING: OVC060
DIST: 25 NM NE
AGE: 16m ago

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

AIRSPACE

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