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// Station · 34m ago

MMLO

Guanajuato International Airport
CAT VFR
WIND 080° / 5 kt
VIS 10+ SM
CEILING BKN at 12,000 ft
T/Td 21°C / 14°C
ALTIM 30.35 inHg
ELEV 5,956 FT
20.9927°N / 101.4803°W
LOCATION · Silao, MX
N
WIND
080°5 kt
MMLO · 5,956 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
080°/5
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN120
 
 
 
LAYERS
SCT030 BKN120 BKN250
 
 
 
T / Td
21 / 14
 
 
 
ALTIM
30.35"
 
 
 

// Interpretation

VFR — ceiling 12,000 ft. Light winds at 080°/5 kt, visibility better than 10 statute miles, scattered at 3,000 ft, broken at 12,000 ft, and broken at 25,000 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 MMLO 111541Z 08005KT 10SM SCT030 BKN120 BKN250 21/14 A3035 RMK 8/538

MMLO · day 11 at 15:41 UTC · wind from 080° at 5 kt · visibility 10+ SM · scattered layer at 3,000 ft · broken layer at 12,000 ft · broken layer at 25,000 ft · temp 21°C / dewpoint 14°C · altimeter 30.35" Hg

// Runway analysis · computed from current METAR wind

Wind 080° @ 5 kt
1 USABLE · 1 AVOID
N
WIND
080°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
13 HDG 130° H3 kt X4 kt LEFT PRIMARY · 11,483'
TAILWIND ENDS · AVOID 1 ends
31 HDG 310° T3 kt X4 kt RIGHT
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 +17°C

7,600FT
+1,644 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
8,700 7,700 6,700
24h AGO18h12h6hNOW
FIELD ELEV5,956 FT OAT+21°C ISA DELTA+17°C PRESSURE ALT5,522 FT
// Performance equivalent Operating here right now feels like operating at MMSM (Felipe Ángeles International Airport, Mexico City, elev 7,369 ft) on a standard ISA day.
// Aircraft performance impact DANGEROUS
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+76%
-53%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+53%
-34%
Light jetCJ4, Phenom 300, M2
+30%
-23%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 16,562 FT SCT030 BKN120 · CEILING BKN250 MMLO ELEV · 5,956 FT
// Reported layers (highest → lowest)
BKN250
Broken · base 25,000 ft AGL · ~5–7 oktas
BKN120
Broken · base 12,000 ft AGL · ~5–7 oktas
SCT030
Scattered · base 3,000 ft AGL · ~3–4 oktas
// Computed
CEILING12,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL16,562 ft VFR MARGIN+9,000 ft

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

12:12ZSUNRISE
18:52ZSOLAR NOON
01:32ZSUNSET
01:56ZCIVIL END
CURRENT16:15Z DAYLIGHT REMAINING9h 16m VFR NIGHT BEGINS01:56Z (9h 40m) DAY LENGTH13h 19m
Waning Crescent
ILLUMINATION11% MOONRISE09:40Z MOONSET23:00Z FULL MOON IN18 days

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

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

© OpenStreetMap · CartoDB · OpenAIP
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