// Station · 16m ago

PMDY

Henderson Field

CAT VFR

WIND 110° / 10 kt

VIS 9.0 SM

CEILING Few/scattered only

T/Td 25.6°C / 21.7°C

ALTIM 30.16 inHg

ELEV 13 FT

28.2017°N / 177.3810°W

LOCATION · Sand Island, UM

WIND

110°10 kt

PMDY · 13 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

110°/10

VIS

9.0 SM

CEILING

—

LAYERS

SCT019

T / Td

26 / 22

ALTIM

30.16"

// Interpretation

VFR with moderate winds at 110°/10 kt. Visibility 9.0 SM and scattered at 1,900 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 111756Z AUTO 11010KT 9SM SCT019 26/22 A3016 RMK AO2 SLP214 T02560217 10256 20250 53005 $

PMDY · day 11 at 17:56 UTC · wind from 110° at 10 kt · visibility 9.0 SM · scattered layer at 1,900 ft · temp 26°C / dewpoint 22°C · altimeter 30.16" Hg · automated station w/ precipitation discriminator · sea-level pressure 1021.4 mb

// Runway analysis · computed from current METAR wind

Wind 110° @ 10 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

110°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

06★ HDG 060° H6 kt X8 kt RIGHT PRIMARY · 7,904'

TAILWIND ENDS · AVOID 1 ends

24 HDG 240° T6 kt X8 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 +10°C

1,000FT

+987 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +200 FT

24h AGO18h12h6hNOW

FIELD ELEV13 FT OAT+26°C ISA DELTA+10°C PRESSURE ALT-229 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,000 ft high on a standard ISA day — that's +987 ft above PMDY's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+10%

-7%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+7%

-5%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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)

SCT019

Scattered · base 1,900 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER1,900 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL12,942 ft VFR MARGINunlimited

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

17:01ZSUNRISE

23:56ZSOLAR NOON

06:50ZSUNSET

07:16ZCIVIL END

CURRENT18:12Z DAYLIGHT REMAINING12h 37m VFR NIGHT BEGINS07:16Z (13h 04m) DAY LENGTH13h 48m

Waning Crescent

ILLUMINATION10% MOONRISE14:33Z MOONSET04:22Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of PMDY.

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

AIRSPACE

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