// Station · 27m ago

PMDY

Henderson Field

CAT VFR

WIND 250° / 8 kt

VIS 10+ SM

CEILING BKN at 7,000 ft

T/Td 26.1°C / 23.3°C

ALTIM 30.02 inHg

ELEV 13 FT

28.2017°N / 177.3810°W

LOCATION · Sand Island, UM

WIND

250°8 kt

PMDY · 13 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

250°/8

VIS

10+ SM

CEILING

BKN070

LAYERS

BKN070 OVC080

T / Td

26 / 23

ALTIM

30.02"

// Interpretation

VFR — ceiling 7,000 ft. Moderate winds at 250°/8 kt, visibility better than 10 statute miles, broken at 7,000 ft, and overcast at 8,000 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 PMDY 251956Z AUTO 25008KT 10SM BKN070 OVC080 26/23 A3002 RMK AO2 SLP166 T02610233 $

PMDY · day 25 at 19:56 UTC · wind from 250° at 8 kt · visibility 10+ SM · broken layer at 7,000 ft · overcast at 8,000 ft · temp 26°C / dewpoint 23°C · altimeter 30.02" Hg · automated station w/ precipitation discriminator · sea-level pressure 1016.6 mb

// Runway analysis · computed from current METAR wind

Wind 250° @ 8 kt

1 USABLE · 1 AVOID

WIND

250°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

24★ HDG 240° H8 kt X1 kt RIGHT PRIMARY · 7,904'

TAILWIND ENDS · AVOID 1 ends

06 HDG 060° T8 kt X1 kt LEFT —

Pattern altitude: 1,013 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 +11°C

1,200FT

+1,187 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV13 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT-90 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,200 ft high on a standard ISA day — that's +1,187 ft above PMDY's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-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. 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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC080

Overcast · base 8,000 ft AGL · 8 oktas

BKN070

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

// Computed

CEILING7,000 ft AGL HIGHEST LAYER8,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,195 ft VFR MARGIN+4,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-12)

17:26ZSUNRISE

23:53ZSOLAR NOON

06:20ZSUNSET

06:44ZCIVIL END

CURRENT20:23Z DAYLIGHT REMAINING9h 56m VFR NIGHT BEGINS06:44Z (10h 21m) DAY LENGTH12h 54m

Waxing Gibbous

ILLUMINATION94% MOONRISE03:36Z MOONSET16:30Z FULL MOON IN2 days

// Nearest reporting stations

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

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