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// Station · 31m ago

KCNU

Chanute Martin Johnson Airport
CAT VFR
WIND VRB / 4 kt
VIS 10+ SM
CEILING CLR
T/Td 29.4°C / 21.7°C
ALTIM 30.08 inHg
ELEV 1,002 FT
37.6682°N / 95.4867°W
LOCATION · Chanute, US
N
WIND
VRB4 kt
KCNU · 1,002 FT
© OSM · CartoDB

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

METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
VRB/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
29 / 22
 
 
 
ALTIM
30.08"
 
 
 

// Interpretation

VFR with light winds at variable/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 KCNU 111652Z AUTO VRB04KT 10SM CLR 29/22 A3008 RMK AO2 SLP175 T02940217

KCNU · day 11 at 16:52 UTC · wind variable at 4 kt · visibility 10+ SM · temp 29°C / dewpoint 22°C · altimeter 30.08" Hg · automated station w/ precipitation discriminator · sea-level pressure 1017.5 mb

// Runway analysis · computed from current METAR wind

Wind VRB @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
VRB4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
18 HDG 180° CALM 4,254'
36 HDG 360° CALM 4,254'
Pattern altitude: 2,002 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 +16°C

2,800FT
+1,798 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
3,700 2,600 1,500
24h AGO18h12h6hNOW
FIELD ELEV1,002 FT OAT+29°C ISA DELTA+16°C PRESSURE ALT840 FT
// Performance equivalent Operating here right now feels like operating at KLBL (Liberal Mid-America Regional Airport, Liberal, elev 2,885 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+28%
-20%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+20%
-13%
Light jetCJ4, Phenom 300, M2
+11%
-8%

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 · 15,850 FT KCNU ELEV · 1,002 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL15,850 ft VFR MARGINunlimited

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

11:10ZSUNRISE
18:28ZSOLAR NOON
01:46ZSUNSET
02:17ZCIVIL END
CURRENT17:23Z DAYLIGHT REMAINING8h 22m VFR NIGHT BEGINS02:17Z (8h 53m) DAY LENGTH14h 35m
Waning Crescent
ILLUMINATION10% MOONRISE08:41Z MOONSET23:16Z FULL MOON IN18 days

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

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

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