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// KMRT · Union County Airport · Marysville

// STALE Observation is 2h 14m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 2h 14m ago · STALE

KMRT

Union County Airport
CAT VFR
WIND 030° / 10 kt
VIS 10+ SM
CEILING CLR
T/Td 26°C / 17°C
ALTIM 30.13 inHg
ELEV 1,021 FT
40.2247°N / 83.3516°W
LOCATION · Marysville, US
N
WIND
030°10 kt
KMRT · 1,021 FT
© OSM · CartoDB

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

METRIC
NOW · 20Z
+6H
+12H
+18H
WIND
030°/10
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
26 / 17
 
 
 
ALTIM
30.13"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with moderate winds at 030°/10 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 KMRT 282052Z AUTO 03010KT 10SM CLR 26/17 A3013 RMK AO2

KMRT · day 28 at 20:52 UTC · wind from 030° at 10 kt · visibility 10+ SM · temp 26°C / dewpoint 17°C · altimeter 30.13" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 030° @ 10 kt
1 USABLE · 1 AVOID · 1 CAUTION
N
WIND
030°10 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
09★ HDG 090° H5 kt X9 kt LEFT PRIMARY · 4,218'
TAILWIND ENDS · AVOID 1 ends
27 HDG 270° T5 kt X9 kt RIGHT —
Pattern altitude: 2,021 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

2,300FT
+1,279 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV1,021 FT OAT+26°C ISA DELTA+13°C PRESSURE ALT809 FT
// Performance equivalent Operating here right now feels like operating at KLWB (Greenbrier Valley Airport, Lewisburg, elev 2,302 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+23%
-16%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+16%
-10%
Light jetCJ4, Phenom 300, M2
+9%
-7%

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 · 14,152 FT KMRT ELEV · 1,021 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL14,152 ft VFR MARGINunlimited

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

10:58ZSUNRISE
17:36ZSOLAR NOON
00:13ZSUNSET
00:41ZCIVIL END
CURRENT23:06Z DAYLIGHT REMAINING1h 07m VFR NIGHT BEGINS00:41Z (1h 35m) DAY LENGTH13h 15m
Full Moon
ILLUMINATION99% MOONRISE23:41Z MOONSET12:56Z FULL MOON IN29 days

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

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