// Station · 19h 46m ago · STALE · HARD STALE

CZMT

Masset Airport

CAT VFR

WIND 340° / 7 kt

VIS 10+ SM

CEILING BKN at 4,100 ft

T/Td 14°C / 11°C

ALTIM 29.90 inHg

WX -DZ

ELEV 25 FT

54.0275°N / 132.1250°W

LOCATION · Masset, CA

WIND

340°7 kt

CZMT · 25 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

340°/7

VIS

10+ SM

CEILING

BKN041

LAYERS

BKN041

T / Td

14 / 11

ALTIM

29.90"

// Interpretation

VFR — ceiling 4,100 ft. Light winds at 340°/7 kt, visibility better than 10 statute miles, broken at 4,100 ft. Reported weather: -DZ. 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

SPECI CZMT 102031Z 34007KT 280V020 14SM -DZ BKN041 14/11 A2990 RMK SC7 SLP126

CZMT · day 10 at 20:31 UTC · wind from 340° at 7 kt · visibility 10+ SM · broken layer at 4,100 ft · temp 14°C / dewpoint 11°C · altimeter 29.90" Hg · weather: -DZ · sea-level pressure 1012.6 mb

// Runway analysis · computed from current METAR wind

Wind 340° @ 7 kt

1 USABLE · 1 AVOID

WIND

340°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

31★ HDG 310° H6 kt X3 kt RIGHT PRIMARY · 5,000'

TAILWIND ENDS · AVOID 1 ends

13 HDG 130° T6 kt X4 kt LEFT —

Pattern altitude: 1,025 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 -1°C

-100FT

-125 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↘ -100 FT

24h AGO18h12h6hNOW

FIELD ELEV25 FT OAT+14°C ISA DELTA-1°C PRESSURE ALT43 FT

// Performance equivalent Operating here right now feels like operating at CZBB (Boundary Bay Airport, Delta, elev 6 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+0%

-0%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+0%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

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)

BKN041

Broken · base 4,100 ft AGL · ~5–7 oktas

// Computed

CEILING4,100 ft AGL HIGHEST LAYER4,100 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL7,096 ft VFR MARGIN+1,100 ft

// Sun & Moon · times in Z · bar = local day (UTC-9)

12:31ZSUNRISE

20:55ZSOLAR NOON

05:18ZSUNSET

06:09ZCIVIL END

CURRENT16:17Z DAYLIGHT REMAINING13h 01m VFR NIGHT BEGINS06:09Z (13h 52m) DAY LENGTH16h 46m

Waning Crescent

ILLUMINATION11% MOONRISE09:59Z MOONSET02:46Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

CYZP

VFR → MVFR 17Z

Sandspit Airport · Sandspit

WIND: 270° / 4 kt
VIS: 9.0 SM
CEILING: BKN055
DIST: 48 NM S
AGE: 17m ago

CYPR

MVFR

Prince Rupert Airport · Prince Rupert

WIND: 180° / 3 kt
VIS: 9.0 SM
CEILING: BKN028
DIST: 61 NM E
AGE: 17m ago

PAMM

VFR

Metlakatla Seaplane Base · Metlakatla

WIND: CALM
VIS: 10+ SM
CEILING: BKN033
DIST: 69 NM N
AGE: 21m ago

PAHY

LIFR

Hydaburg Seaplane Base · Hydaburg

WIND: CALM
VIS: 10+ SM
CEILING: OVC003
DIST: 75 NM N
AGE: 5m ago

PAKT

MVFR → VFR 18Z

Ketchikan International Airport · Ketchikan

WIND: 120° / 6 kt
VIS: 10+ SM
CEILING: BKN012
DIST: 81 NM N
AGE: 24m ago

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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