// Station · 18h 0m ago · STALE · HARD STALE

CZEM

Eastmain River Airport

CAT VFR

WIND 270° / 9 kt

VIS 10+ SM

CEILING CLR

T/Td 12°C / 8°C

ALTIM 30.00 inHg

ELEV 24 FT

52.2264°N / 78.5225°W

LOCATION · Eastmain River, CA

WIND

270°9 kt

CZEM · 24 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

270°/9

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

12 / 8

ALTIM

30.00"

// Interpretation

VFR with moderate winds at 270°/9 kt. Visibility better than 10 statute miles and no reported cloud layers. 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 CZEM 102000Z 27009KT 15SM SKC 12/08 A3000 RMK LAST STFD OBS/NEXT 121400 UTC SLP161

CZEM · day 10 at 20:00 UTC · wind from 270° at 9 kt · visibility 10+ SM · temp 12°C / dewpoint 8°C · altimeter 30.00" Hg · sea-level pressure 1016.1 mb

// Runway analysis · computed from current METAR wind

Wind 270° @ 9 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

270°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

20★ HDG 200° H3 kt X8 kt RIGHT PRIMARY · 3,512'

TAILWIND ENDS · AVOID 1 ends

02 HDG 020° T3 kt X8 kt LEFT —

Pattern altitude: 1,024 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

-400FT

-424 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↗ +0 FT

24h AGO18h12h6hNOW

FIELD ELEV24 FT OAT+12°C ISA DELTA-3°C PRESSURE ALT-58 FT

// Performance equivalent Operating here right now feels like operating at CYIF (St Augustin Airport, St-Augustin, elev 20 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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL6,085 ft VFR MARGINunlimited

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

09:07ZSUNRISE

17:20ZSOLAR NOON

01:34ZSUNSET

02:20ZCIVIL END

CURRENT14:00Z DAYLIGHT REMAINING11h 33m VFR NIGHT BEGINS02:20Z (12h 20m) DAY LENGTH16h 26m

Waning Crescent

ILLUMINATION11% MOONRISE06:30Z MOONSET22:57Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of CZEM.

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

AIRSPACE

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