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// Station · 29m ago

KWJF

General William J Fox Airfield
CAT VFR
WIND CALM
VIS 10+ SM
CEILING Few/scattered only
T/Td 38.9°C / 5.6°C
ALTIM 30.02 inHg
ELEV 2,351 FT
34.7411°N / 118.2190°W
LOCATION · Lancaster, US
N
WIND
000°0 kt
KWJF · 2,351 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW003
 
 
 
T / Td
39 / 6
 
 
 
ALTIM
30.02"
 
 
 

// Interpretation

VFR with winds calm. Visibility better than 10 statute miles and a few at 300 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 KWJF 251956Z AUTO 00000KT 10SM FEW003 39/06 A3002 RMK AO2 SLP136 T03890056

KWJF · day 25 at 19:56 UTC · winds calm · visibility 10+ SM · a few clouds at 300 ft · temp 39°C / dewpoint 6°C · altimeter 30.02" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.6 mb

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
000°calm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
06 HDG 060° CALM 7,201'
24 HDG 240° CALM 7,201'
Pattern altitude: 3,351 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 +28°C

5,600FT
+3,249 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV2,351 FT OAT+39°C ISA DELTA+28°C PRESSURE ALT2,248 FT
// Performance equivalent Operating here right now feels like operating at KTRK (Truckee Tahoe Airport, Truckee, elev 5,900 ft) on a standard ISA day.
// Aircraft performance impact DANGEROUS
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+56%
-39%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+39%
-25%
Light jetCJ4, Phenom 300, M2
+22%
-17%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 21,997 FT FEW003 KWJF ELEV · 2,351 FT
// Reported layers (highest → lowest)
FEW003
Few · base 300 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER300 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL21,997 ft VFR MARGINunlimited

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

13:22ZSUNRISE
19:56ZSOLAR NOON
02:30ZSUNSET
02:56ZCIVIL END
CURRENT20:25Z DAYLIGHT REMAINING6h 05m VFR NIGHT BEGINS02:56Z (6h 31m) DAY LENGTH13h 08m
Waxing Gibbous
ILLUMINATION94% MOONRISE23:33Z MOONSET12:41Z FULL MOON IN2 days

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

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