// Station · 16h 58m ago · STALE · HARD STALE

CZEM

Eastmain River Airport

CAT LIFR

WIND 300° / 8 kt

VIS 1.8 SM

CEILING —

T/Td 5°C / 5°C

ALTIM 29.59 inHg

WX -DZ BR

ELEV 24 FT

52.2264°N / 78.5225°W

LOCATION · Eastmain River, CA

WIND

300°8 kt

CZEM · 24 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

300°/8

VIS

1.8 SM

CEILING

—

LAYERS

OVX004

T / Td

5 / 5

ALTIM

29.59"

// Interpretation

LIFR — visibility 1.8 SM. Moderate winds at 300°/8 kt, visibility 1.8 SM, ovx at 400 ft. Reported weather: -DZ BR. Reported weather: -DZ BR. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR CZEM 262000Z 30008KT 1 3/4SM -DZ BR VV004 05/05 A2959 RMK FG8 LAST STFD OBS/NEXT 271300 UTC SLP022

CZEM · day 26 at 20:00 UTC · wind from 300° at 8 kt · visibility 1.8 SM · ovx at 400 ft · temp 5°C / dewpoint 5°C · altimeter 29.59" Hg · weather: -DZ BR · sea-level pressure 1002.2 mb

// Runway analysis · computed from current METAR wind

Wind 300° @ 8 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

300°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

02★ HDG 020° H1 kt X8 kt LEFT PRIMARY · 3,512'

TAILWIND ENDS · AVOID 1 ends

20 HDG 200° T1 kt X8 kt RIGHT —

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 -9°C

-800FT

-824 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↘ -1,000 FT

24h AGO18h12h6hNOW

FIELD ELEV24 FT OAT+5°C ISA DELTA-9°C PRESSURE ALT352 FT

// Performance equivalent Your aircraft will perform as if it's at a field -800 ft high on a standard ISA day — that's -824 ft above CZEM's actual elevation.

// 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 LEVEL2,549 ft VFR MARGINunlimited

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

09:05ZSUNRISE

17:12ZSOLAR NOON

01:20ZSUNSET

02:06ZCIVIL END

CURRENT12:58Z DAYLIGHT REMAINING12h 21m VFR NIGHT BEGINS02:06Z (13h 07m) DAY LENGTH16h 15m

Waxing Gibbous

ILLUMINATION83% MOONRISE17:52Z MOONSET10:07Z FULL MOON IN4 days

// Nearest reporting stations · 2 shown · 100 NM (sparse area)

CYGL

LIFR → IFR 14Z

La Grande Rivière Airport · La Grande Rivière

WIND: 280° / 9 kt
VIS: 0.38 SM
CEILING: OVC001
DIST: 89 NM N
AGE: 30m ago

CYMO

IFR → LIFR 14Z

Moosonee Airport · Moosonee

WIND: CALM
VIS: 1.8 SM
CEILING: OVC005
DIST: 96 NM SW
AGE: 6m ago

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

AIRSPACE

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