// Station · 20m ago

MMCM

Chetumal International Airport

CAT MVFR

WIND 120° / 8 kt

VIS 7.0 SM

CEILING BKN at 2,000 ft

T/Td 33°C / 24°C

ALTIM 29.99 inHg

ELEV 39 FT

18.5050°N / 88.3280°W

LOCATION · Chetumal, MX

WIND

120°8 kt

MMCM · 39 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

120°/8

VIS

7.0 SM

CEILING

BKN020

LAYERS

BKN020

T / Td

33 / 24

ALTIM

29.99"

// Interpretation

MVFR — ceiling 2,000 ft. Moderate winds at 120°/8 kt, visibility 7.0 SM, broken at 2,000 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR MMCM 251642Z 12008KT 7SM BKN020 33/24 A2999 RMK 8/500 HZY

MMCM · day 25 at 16:42 UTC · wind from 120° at 8 kt · visibility 7.0 SM · broken layer at 2,000 ft · temp 33°C / dewpoint 24°C · altimeter 29.99" Hg

// Runway analysis · computed from current METAR wind

Wind 120° @ 8 kt

1 USABLE · 1 AVOID

WIND

120°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

10★ HDG 100° H8 kt X3 kt RIGHT PRIMARY · 7,244'

TAILWIND ENDS · AVOID 1 ends

28 HDG 280° T8 kt X3 kt LEFT —

Pattern altitude: 1,039 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 +18°C

2,100FT

+2,061 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV39 FT OAT+33°C ISA DELTA+18°C PRESSURE ALT-35 FT

// Performance equivalent Operating here right now feels like operating at MMTB (Terán Air Base, Tuxtla Gutiérrez, elev 1,909 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+21%

-15%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+15%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

BKN020

Broken · base 2,000 ft AGL · ~5–7 oktas

// Computed

CEILING2,000 ft AGL HIGHEST LAYER2,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL16,706 ft VFR MARGIN-1,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-6)

11:38ZSUNRISE

17:56ZSOLAR NOON

00:15ZSUNSET

00:37ZCIVIL END

CURRENT17:02Z DAYLIGHT REMAINING7h 13m VFR NIGHT BEGINS00:37Z (7h 35m) DAY LENGTH12h 36m

Waxing Gibbous

ILLUMINATION94% MOONRISE21:42Z MOONSET10:19Z 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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