// Station · 38m ago

MMLO

Guanajuato International Airport

CAT MVFR

WIND 200° / 5 kt

VIS 10+ SM

CEILING BKN at 3,000 ft

T/Td 17°C / 16°C

ALTIM 30.35 inHg

ELEV 5,956 FT

20.9927°N / 101.4803°W

LOCATION · Silao, MX

WIND

200°5 kt

MMLO · 5,956 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

200°/5

VIS

10+ SM

CEILING

BKN030

LAYERS

BKN030 BKN120 OVC250

T / Td

17 / 16

ALTIM

30.35"

// Interpretation

MVFR — ceiling 3,000 ft. Light winds at 200°/5 kt, visibility better than 10 statute miles, broken at 3,000 ft, broken at 12,000 ft, and overcast at 25,000 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 MMLO 111341Z 20005KT 10SM BKN030 BKN120 OVC250 17/16 A3035 RMK 8/537 BINOVC PCPN NE TCU SE

MMLO · day 11 at 13:41 UTC · wind from 200° at 5 kt · visibility 10+ SM · broken layer at 3,000 ft · broken layer at 12,000 ft · overcast at 25,000 ft · temp 17°C / dewpoint 16°C · altimeter 30.35" Hg

// Runway analysis · computed from current METAR wind

Wind 200° @ 5 kt

1 USABLE · 1 AVOID

WIND

200°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

13★ HDG 130° H2 kt X5 kt RIGHT PRIMARY · 11,483'

TAILWIND ENDS · AVOID 1 ends

31 HDG 310° T2 kt X5 kt LEFT —

Pattern altitude: 6,956 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 +13°C

7,100FT

+1,144 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -100 FT

24h AGO18h12h6hNOW

FIELD ELEV5,956 FT OAT+17°C ISA DELTA+13°C PRESSURE ALT5,522 FT

// Performance equivalent Operating here right now feels like operating at MMZC (General Leobardo C. Ruiz International Airport, Zacatecas, elev 7,141 ft) on a standard ISA day.

// Aircraft performance impact DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+71%

-50%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+50%

-32%

Light jetCJ4, Phenom 300, M2

+28%

-21%

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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

OVC250

Overcast · base 25,000 ft AGL · 8 oktas

BKN120

Broken · base 12,000 ft AGL · ~5–7 oktas

BKN030

Broken · base 3,000 ft AGL · ~5–7 oktas

// Computed

CEILING3,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL14,542 ft VFR MARGIN+0 ft

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

12:12ZSUNRISE

18:52ZSOLAR NOON

01:32ZSUNSET

01:56ZCIVIL END

CURRENT14:19Z DAYLIGHT REMAINING11h 12m VFR NIGHT BEGINS01:56Z (11h 36m) DAY LENGTH13h 19m

Waning Crescent

ILLUMINATION11% MOONRISE09:36Z MOONSET22:56Z FULL MOON IN18 days

// Nearest reporting stations · 4 shown · 100 NM (sparse area)

MMAS

VFR

Aguascalientes International Airport · Aguascalientes

WIND: CALM
VIS: 10+ SM
CEILING: BKN100
DIST: 63 NM NW
AGE: 36m ago

MMMM

VFR → MVFR 06Z

General Francisco J. Mujica International Airport · Morelia

WIND: CALM
VIS: 7.0 SM
CEILING: FEW030
DIST: 73 NM S
AGE: 38m ago

MMQT

VFR → MVFR 20Z

Querétaro Intercontinental Airport · Querétaro

WIND: CALM
VIS: 7.0 SM
CEILING: BKN200
DIST: 76 NM E
AGE: 39m ago

MMSP

VFR → MVFR 16Z

Ponciano Arriaga International Airport · San Luis Potosí

WIND: CALM
VIS: 8.0 SM
CEILING: OVC080
DIST: 82 NM N
AGE: 34m ago

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

AIRSPACE

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