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// Station · 20m ago

KMVN

Mount Vernon Outland Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 23.9°C / 22.2°C
ALTIM 30.11 inHg
ELEV 480 FT
38.3228°N / 88.8593°W
LOCATION · Mount Vernon, US
N
WIND
000°0 kt
KMVN · 480 FT
© OSM · CartoDB

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

METRIC
NOW · 01Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
24 / 22
 
 
 
ALTIM
30.11"
 
 
 

// Interpretation

VFR with winds calm. 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 KMVN 150156Z AUTO 00000KT 10SM CLR 24/22 A3011 RMK AO2 SLPNO T02390222 $

KMVN · day 15 at 01:56 UTC · winds calm · visibility 10+ SM · temp 24°C / dewpoint 22°C · altimeter 30.11" Hg · automated station w/ precipitation discriminator

// 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 4 ends
05 HDG 050° CALM 6,496'
23 HDG 230° CALM 6,496'
15 HDG 150° CALM 3,146'
33 HDG 330° CALM 3,146'
Pattern altitude: 1,480 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

1,400FT
+920 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -800 FT
2,600 1,900 1,200
24h AGO18h12h6hNOW
FIELD ELEV480 FT OAT+24°C ISA DELTA+9°C PRESSURE ALT288 FT
// Performance equivalent Operating here right now feels like operating at KDKB (DeKalb Taylor Municipal Airport, DeKalb, elev 914 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+14%
-10%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+10%
-6%
Light jetCJ4, Phenom 300, M2
+6%
-4%

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 · 12,551 FT KMVN ELEV · 480 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL12,551 ft VFR MARGINunlimited

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

10:44ZSUNRISE
18:02ZSOLAR NOON
01:20ZSUNSET
01:51ZCIVIL END
CURRENT02:16Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:51Z (past) DAY LENGTH14h 36m
New Moon
ILLUMINATION0% MOONRISE10:59Z MOONSET01:35Z FULL MOON IN14 days

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

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

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