// Station · 55m ago
KGRF
Gray Army Air Field
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 9.3°C / 7.4°C
ALTIM 29.93 inHg
ELEV 300 FT
47.0792°N / 122.5810°W
LOCATION · Fort Lewis/Tacoma, US
WIND
000°0 kt
KGRF · 300 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 08Z
+6H
+12H
+18H
WIND
CALM
VIS
10+ SM
CEILING
CLR
LAYERS
—
T / Td
9 / 7
ALTIM
29.93"
// Interpretation
VFR with winds calm. Visibility better than 10 statute miles and no reported cloud layers. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.
Loading TAF forecast narrative…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR KGRF 270855Z AUTO 00000KT 10SM CLR 09/07 A2993 RMK AO2 SLP139 T00930074 57004 $
KGRF · day 27 at 08:55 UTC · winds calm · visibility 10+ SM · temp 9°C / dewpoint 7°C · altimeter 29.93" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.9 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
2 ends
15
HDG 150°
—CALM
——
6,124'
33
HDG 330°
—CALM
——
6,124'
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 -5°C
-300FT
-600 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS
↗ +200 FT
24h AGO18h12h6hNOW
FIELD ELEV300 FT
OAT+9°C
ISA DELTA-5°C
PRESSURE ALT288 FT
// Performance equivalent
Operating here right now feels like operating at 7WA5
(Stuart Island Airpark, Friday Harbor, elev 10 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 · clear · no layers reported
// Sun & Moon · times in Z · bar = local day (UTC-8)
12:23ZSUNRISE
20:08ZSOLAR NOON
03:54ZSUNSET
04:32ZCIVIL END
CURRENT09:50Z
DAYLIGHT REMAINING18h 03m
VFR NIGHT BEGINS04:32Z (18h 41m)
DAY LENGTH15h 30m
Waxing Gibbous
ILLUMINATION82%
MOONRISE21:04Z
MOONSET12:34Z
FULL MOON IN4 days
// Nearest reporting stations · 5 shown · 60 NM radius
KTCM
VFR
McChord Air Force Base · Tacoma
- WIND
- 190° / 4 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 6 NM NE
- AGE
- 55m ago
KTIW
VFR
Tacoma Narrows Airport · Tacoma
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 11 NM N
- AGE
- 57m ago
KOLM
VFR
→
MVFR
10Z
Olympia Regional Airport · Olympia
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 15 NM SW
- AGE
- 56m ago
KSEA
VFR
Seattle–Tacoma International Airport · Seattle
- WIND
- 050° / 3 kt
- VIS
- 10+ SM
- CEILING
- FEW047
- DIST
- 25 NM NE
- AGE
- 57m ago
KPWT
VFR
→
MVFR
11Z
Bremerton National Airport · Bremerton
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 26 NM N
- AGE
- 54m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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