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// KNUW · Whidbey Island Naval Air Station (Ault Field) · Oak Harbor

// STALE Observation is 1h 19m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 19m ago · STALE

KNUW

Whidbey Island Naval Air Station (Ault Field)
CAT MVFR
WIND 230° / 11 kt
VIS 10+ SM
CEILING BKN at 3,000 ft
T/Td 12.2°C / 9.4°C
ALTIM 29.94 inHg
ELEV 47 FT
48.3518°N / 122.6560°W
LOCATION · Oak Harbor, US
N
WIND
230°11 kt
KNUW · 47 FT
© OSM · CartoDB

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

METRIC
NOW · 11Z
+6H
+12H
+18H
WIND
230°/11
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN030
 
 
 
LAYERS
BKN030 OVC070
 
 
 
T / Td
12 / 9
 
 
 
ALTIM
29.94"
 
 
 

Loading TAF forecast…

// Interpretation

MVFR — ceiling 3,000 ft. Moderate winds at 230°/11 kt, visibility better than 10 statute miles, broken at 3,000 ft, and overcast at 7,000 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KNUW 111153Z 23011KT 10SM BKN030 OVC070 12/09 A2994 RMK AO2 SLP144 T01220094 10128 20122 51012

KNUW · day 11 at 11:53 UTC · wind from 230° at 11 kt · visibility 10+ SM · broken layer at 3,000 ft · overcast at 7,000 ft · temp 12°C / dewpoint 9°C · altimeter 29.94" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.4 mb

// Runway analysis · computed from current METAR wind

Wind 230° @ 11 kt
3 USABLE · 1 AVOID · 2 CAUTION
N
WIND
230°11 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
25★ HDG 250° H10 kt X4 kt LEFT PRIMARY · 7,999'
14 HDG 140° H0 kt X11 kt RIGHT ⚠ HIGH XW · 100%
32 HDG 320° H0 kt X11 kt LEFT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 1 ends
07 HDG 070° T10 kt X4 kt RIGHT —
Pattern altitude: 1,047 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

-300FT
-347 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
400 0 -400
24h AGO18h12h6hNOW
FIELD ELEV47 FT OAT+12°C ISA DELTA-3°C PRESSURE ALT24 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 · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 6,209 FT BKN030 · CEILING OVC070 KNUW ELEV · 47 FT
// Reported layers (highest → lowest)
OVC070
Overcast · base 7,000 ft AGL · 8 oktas
BKN030
Broken · base 3,000 ft AGL · ~5–7 oktas
// Computed
CEILING3,000 ft AGL HIGHEST LAYER7,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL6,209 ft VFR MARGIN+0 ft

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

12:22ZSUNRISE
20:17ZSOLAR NOON
04:11ZSUNSET
04:52ZCIVIL END
CURRENT13:12Z DAYLIGHT REMAINING14h 59m VFR NIGHT BEGINS04:52Z (15h 39m) DAY LENGTH15h 49m
Waning Crescent
ILLUMINATION11% MOONRISE09:44Z MOONSET01:33Z FULL MOON IN18 days

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

KNRA
MVFR
Coupeville Nolf Airport · Coupeville
WIND
260° / 7 kt
VIS
10+ SM
CEILING
OVC029
DIST
10 NM S
AGE
26m ago
KBVS
VFR
Skagit Regional Airport · Burlington
WIND
CALM
VIS
10+ SM
CEILING
OVC036
DIST
12 NM NE
AGE
17m ago
KFHR
VFR
Friday Harbor Airport · Friday Harbor
WIND
230° / 4 kt
VIS
10+ SM
CEILING
OVC039
DIST
18 NM NW
AGE
19m ago
K0S9
MVFR
Jefferson County International Airport · Port Townsend
WIND
280° / 7 kt
VIS
10+ SM
CEILING
OVC026
DIST
19 NM S
AGE
17m ago
KAWO
VFR
Arlington Municipal Airport · Arlington
WIND
350° / 4 kt
VIS
10+ SM
CEILING
OVC031
DIST
23 NM SE
AGE
16m ago

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

© OpenStreetMap · CartoDB · OpenAIP
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