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// Station · 39m ago

KNJW

Joe Williams Naval Outlying Field
CAT VFR
WIND 300° / 5 kt
VIS 10+ SM
CEILING Few/scattered only
T/Td 23.9°C / 22.2°C
ALTIM 30.05 inHg
ELEV 539 FT
32.7985°N / 88.8343°W
LOCATION · Preston, US
N
WIND
300°5 kt
KNJW · 539 FT
© OSM · CartoDB

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

METRIC
NOW · 23Z
+6H
+12H
+18H
WIND
300°/5
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
SCT007
 
 
 
T / Td
24 / 22
 
 
 
ALTIM
30.05"
 
 
 

// Interpretation

VFR with light winds at 300°/5 kt. Visibility better than 10 statute miles and scattered at 700 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

SPECI KNJW 142318Z AUTO 30005KT 10SM SCT007 24/22 A3005 RMK AO2 T02390222

KNJW · day 14 at 23:18 UTC · wind from 300° at 5 kt · visibility 10+ SM · scattered layer at 700 ft · temp 24°C / dewpoint 22°C · altimeter 30.05" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 300° @ 5 kt
1 USABLE · 1 AVOID
N
WIND
300°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
31 HDG 310° H5 kt X1 kt LEFT PRIMARY · 7,976'
TAILWIND ENDS · AVOID 1 ends
13 HDG 130° T5 kt X1 kt RIGHT
Pattern altitude: 1,539 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 +10°C

1,600FT
+1,061 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
2,200 1,650 1,100
24h AGO18h12h6hNOW
FIELD ELEV539 FT OAT+24°C ISA DELTA+10°C PRESSURE ALT406 FT
// Performance equivalent Operating here right now feels like operating at KJZP (Pickens County Airport, Jasper, elev 1,535 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+16%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-5%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,610 FT SCT007 KNJW ELEV · 539 FT
// Reported layers (highest → lowest)
SCT007
Scattered · base 700 ft AGL · ~3–4 oktas
// Computed
CEILING HIGHEST LAYER700 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL12,610 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

10:58ZSUNRISE
18:02ZSOLAR NOON
01:06ZSUNSET
01:34ZCIVIL END
CURRENT23:57Z DAYLIGHT REMAINING1h 08m VFR NIGHT BEGINS01:34Z (1h 36m) DAY LENGTH14h 07m
New Moon
ILLUMINATION0% MOONRISE11:08Z MOONSET01:16Z FULL MOON IN15 days

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

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

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