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// Station · 6m ago

KNJW

Joe Williams Naval Outlying Field
CAT VFR
WIND 280° / 4 kt
VIS 10+ SM
CEILING CLR
T/Td 23.3°C / 22.2°C
ALTIM 30.09 inHg
ELEV 539 FT
32.7985°N / 88.8343°W
LOCATION · Preston, US
N
WIND
280°4 kt
KNJW · 539 FT
© OSM · CartoDB

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

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
280°/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
23 / 22
 
 
 
ALTIM
30.09"
 
 
 

// Interpretation

VFR with light winds at 280°/4 kt. 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…

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

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// Raw observation METAR string + decoded

METAR KNJW 150057Z AUTO 28004KT 10SM CLR 23/22 A3009 RMK AO2 SLP104 T02330222

KNJW · day 15 at 00:57 UTC · wind from 280° at 4 kt · visibility 10+ SM · temp 23°C / dewpoint 22°C · altimeter 30.09" Hg · automated station w/ precipitation discriminator · sea-level pressure 1010.4 mb

// Runway analysis · computed from current METAR wind

Wind 280° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
280°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
13 HDG 130° CALM 7,976'
31 HDG 310° CALM 7,976'
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 +9°C

1,500FT
+961 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
2,200 1,650 1,100
24h AGO18h12h6hNOW
FIELD ELEV539 FT OAT+23°C ISA DELTA+9°C PRESSURE ALT368 FT
// Performance equivalent Operating here right now feels like operating at K49A (Gilmer County Airport, Ellijay, elev 1,486 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+15%
-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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,307 FT KNJW ELEV · 539 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL12,307 ft VFR MARGINunlimited

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

10:58ZSUNRISE
18:02ZSOLAR NOON
01:06ZSUNSET
01:34ZCIVIL END
CURRENT01:03Z DAYLIGHT REMAINING2m VFR NIGHT BEGINS01:34Z (30m) DAY LENGTH14h 07m
New Moon
ILLUMINATION0% MOONRISE11:10Z MOONSET01:18Z 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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