// Station · 32m ago

MMZC

General Leobardo C. Ruiz International Airport

CAT VFR

WIND 030° / 10 kt

VIS 8.0 SM

CEILING Few/scattered only

T/Td 23°C / 10°C

ALTIM 30.35 inHg

ELEV 7,141 FT

22.8949°N / 102.6872°W

LOCATION · Zacatecas, MX

WIND

030°10 kt

MMZC · 7,141 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

030°/10

VIS

8.0 SM

CEILING

—

LAYERS

SCT040 SCT100

T / Td

23 / 10

ALTIM

30.35"

// Interpretation

VFR with moderate winds at 030°/10 kt. Visibility 8.0 SM and scattered at 4,000 ft, and scattered at 10,000 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 MMZC 251740Z E03010KT 8SM SCT040 SCT100 23/10 A3035 RMK 8/550

MMZC · day 25 at 17:40 UTC · wind from 030° at 10 kt · visibility 8.0 SM · scattered layer at 4,000 ft · scattered layer at 10,000 ft · temp 23°C / dewpoint 10°C · altimeter 30.35" Hg

// Runway analysis · computed from current METAR wind

Wind 030° @ 10 kt

1 USABLE · 1 AVOID

WIND

030°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

02★ HDG 020° H10 kt X2 kt RIGHT PRIMARY · 9,843'

TAILWIND ENDS · AVOID 1 ends

20 HDG 200° T10 kt X2 kt LEFT —

Pattern altitude: 8,141 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 +21°C

9,300FT

+2,159 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV7,141 FT OAT+23°C ISA DELTA+21°C PRESSURE ALT6,707 FT

// Performance equivalent Your aircraft will perform as if it's at a field 9,300 ft high on a standard ISA day — that's +2,159 ft above MMZC's actual elevation.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+93%

-65%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+65%

-42%

Light jetCJ4, Phenom 300, M2

+37%

-28%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

SCT100

Scattered · base 10,000 ft AGL · ~3–4 oktas

SCT040

Scattered · base 4,000 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER10,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL18,757 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-7)

12:32ZSUNRISE

18:54ZSOLAR NOON

01:16ZSUNSET

01:39ZCIVIL END

CURRENT18:12Z DAYLIGHT REMAINING7h 03m VFR NIGHT BEGINS01:39Z (7h 26m) DAY LENGTH12h 44m

Waxing Gibbous

ILLUMINATION94% MOONRISE22:38Z MOONSET11:22Z 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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