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// Station · 27m ago

KMTN

Martin State Airport
CAT VFR
WIND 010° / 4 kt
VIS 10+ SM
CEILING Few/scattered only
T/Td 28°C / 21°C
ALTIM 29.96 inHg
ELEV 21 FT
39.3257°N / 76.4138°W
LOCATION · Baltimore, US
N
WIND
010°4 kt
KMTN · 21 FT
© OSM · CartoDB

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

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
010°/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
SCT110
 
 
 
T / Td
28 / 21
 
 
 
ALTIM
29.96"
 
 
 

// Interpretation

VFR with light winds at 010°/4 kt. Visibility better than 10 statute miles and scattered at 11,000 ft. 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 KMTN 111447Z 01004KT 10SM SCT110 28/21 A2996

KMTN · day 11 at 14:47 UTC · wind from 010° at 4 kt · visibility 10+ SM · scattered layer at 11,000 ft · temp 28°C / dewpoint 21°C · altimeter 29.96" Hg

// Runway analysis · computed from current METAR wind

Wind 010° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
010°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
15 HDG 150° CALM 6,999'
33 HDG 330° CALM 6,999'
Pattern altitude: 1,021 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

1,500FT
+1,479 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -500 FT
2,200 1,400 600
24h AGO18h12h6hNOW
FIELD ELEV21 FT OAT+28°C ISA DELTA+13°C PRESSURE ALT-20 FT
// Performance equivalent Operating here right now feels like operating at KAOO (Altoona Blair County Airport, Altoona, elev 1,503 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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 14,162 FT SCT110 KMTN ELEV · 21 FT
// Reported layers (highest → lowest)
SCT110
Scattered · base 11,000 ft AGL · ~3–4 oktas
// Computed
CEILING HIGHEST LAYER11,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL14,162 ft VFR MARGINunlimited

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

09:49ZSUNRISE
17:12ZSOLAR NOON
00:34ZSUNSET
01:06ZCIVIL END
CURRENT15:14Z DAYLIGHT REMAINING9h 19m VFR NIGHT BEGINS01:06Z (9h 51m) DAY LENGTH14h 45m
Waning Crescent
ILLUMINATION11% MOONRISE07:15Z MOONSET22:00Z 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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