// Station · 58m ago

KTTN

Trenton Mercer Airport

CAT VFR

WIND 210° / 3 kt

VIS 10+ SM

CEILING BKN at 10,000 ft

T/Td 17.8°C / 15.6°C

ALTIM 29.95 inHg

ELEV 213 FT

40.2767°N / 74.8135°W

LOCATION · Ewing Township, US

WIND

210°3 kt

KTTN · 213 FT

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

METRIC

NOW · 08Z

+6H

+12H

+18H

WIND

210°/3

VIS

10+ SM

CEILING

BKN100

LAYERS

BKN100

T / Td

18 / 16

ALTIM

29.95"

// Interpretation

VFR — ceiling 10,000 ft. Light winds at 210°/3 kt, visibility better than 10 statute miles, broken at 10,000 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 KTTN 270853Z AUTO 21003KT 10SM BKN100 18/16 A2995 RMK AO2 SLP136 T01780156 56008

KTTN · day 27 at 08:53 UTC · wind from 210° at 3 kt · visibility 10+ SM · broken layer at 10,000 ft · temp 18°C / dewpoint 16°C · altimeter 29.95" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.6 mb

// Runway analysis · computed from current METAR wind

Wind 210° @ 3 kt

ALL USABLE · WINDS CALM

WIND

210°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

06 HDG 060° —CALM —— 6,006'

24 HDG 240° —CALM —— 6,006'

16 HDG 160° —CALM —— 4,800'

34 HDG 340° —CALM —— 4,800'

Pattern altitude: 1,213 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 +3°C

600FT

+387 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +700 FT

24h AGO18h12h6hNOW

FIELD ELEV213 FT OAT+18°C ISA DELTA+3°C PRESSURE ALT181 FT

// Performance equivalent Operating here right now feels like operating at KMMU (Morristown Municipal Airport, Morristown, elev 187 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+6%

-4%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+4%

-3%

Light jetCJ4, Phenom 300, M2

+2%

-2%

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

// Reported layers (highest → lowest)

BKN100

Broken · base 10,000 ft AGL · ~5–7 oktas

// Computed

CEILING10,000 ft AGL HIGHEST LAYER10,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL9,203 ft VFR MARGIN+7,000 ft

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

09:35ZSUNRISE

16:57ZSOLAR NOON

00:20ZSUNSET

00:51ZCIVIL END

CURRENT09:51Z DAYLIGHT REMAINING14h 28m VFR NIGHT BEGINS00:51Z (15h 00m) DAY LENGTH14h 44m

Waxing Gibbous

ILLUMINATION82% MOONRISE18:16Z MOONSET09:00Z FULL MOON IN4 days

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

KPNE

IFR → MVFR 10Z

Northeast Philadelphia Airport · Philadelphia

WIND: 220° / 3 kt
VIS: 8.0 SM
CEILING: BKN008
DIST: 15 NM SW
AGE: 4m ago

KWRI

VFR → MVFR 17Z

Mc Guire Air Force Base · Wrightstown

WIND: 220° / 6 kt
VIS: 10+ SM
CEILING: CLR
DIST: 19 NM SE
AGE: 13m ago

KPHL

IFR → MVFR 16Z

Philadelphia International Airport · Philadelphia

WIND: 230° / 6 kt
VIS: 5.0 SM
CEILING: OVC006
DIST: 31 NM SW
AGE: 10m ago

KMMU

VFR

Morristown Municipal Airport · Morristown

WIND: 160° / 3 kt
VIS: 10+ SM
CEILING: BKN110
DIST: 36 NM NE
AGE: 16m ago

KABE

VFR

Lehigh Valley International Airport · Allentown/Bethlehem

WIND: 240° / 4 kt
VIS: 10+ SM
CEILING: FEW100
DIST: 37 NM NW
AGE: 1h 0m ago

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

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