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// KJNX · Johnston Regional Airport · Smithfield

// Station · 9m ago

KJNX

Johnston Regional Airport
CAT VFR
WIND 360° / 7 kt
VIS 10+ SM
CEILING CLR
T/Td 28°C / 17°C
ALTIM 30.07 inHg
ELEV 164 FT
35.5409°N / 78.3903°W
LOCATION · Smithfield, US
N
WIND
360°7 kt
KJNX · 164 FT
© OSM · CartoDB

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

METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
360°/7
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
28 / 17
 
 
 
ALTIM
30.07"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with light winds at 360°/7 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 KJNX 251655Z AUTO 36007KT 340V050 10SM CLR 28/17 A3007 RMK AO2

KJNX · day 25 at 16:55 UTC · wind from 360° at 7 kt · visibility 10+ SM · temp 28°C / dewpoint 17°C · altimeter 30.07" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 360° @ 7 kt
1 USABLE · 1 AVOID
N
WIND
360°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
03★ HDG 030° H6 kt X4 kt LEFT PRIMARY · 5,500'
TAILWIND ENDS · AVOID 1 ends
21 HDG 210° T6 kt X3 kt RIGHT —
Pattern altitude: 1,164 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 +13°C

1,600FT
+1,436 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV164 FT OAT+28°C ISA DELTA+13°C PRESSURE ALT11 FT
// Performance equivalent Operating here right now feels like operating at KRHP (Western Carolina Regional Airport, Andrews, elev 1,697 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
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. 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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 14,305 FT KJNX ELEV · 164 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL14,305 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-5)

10:41ZSUNRISE
17:17ZSOLAR NOON
23:52ZSUNSET
00:18ZCIVIL END
CURRENT17:04Z DAYLIGHT REMAINING6h 47m VFR NIGHT BEGINS00:18Z (7h 14m) DAY LENGTH13h 10m
Waxing Gibbous
ILLUMINATION94% MOONRISE20:45Z MOONSET09:56Z FULL MOON IN2 days

// Nearest reporting stations

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

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