// Station · 4m ago

SLLP

El Alto International Airport

CAT VFR

WIND 230° / 9 kt

VIS 6+ SM

CEILING CLR

T/Td 9°C / -19°C

ALTIM 30.59 inHg

ELEV 13,355 FT

16.5103°S / 68.1894°W

LOCATION · La Paz / El Alto, BO

WIND

230°9 kt

SLLP · 13,355 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

230°/9

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

9 / -19

ALTIM

30.59"

// Interpretation

VFR with moderate winds at 230°/9 kt. Visibility 6+ SM and no reported cloud layers. 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 SLLP 130100Z 23009KT 9999 NSC 09/M19 Q1036 NOSIG

SLLP · day 13 at 01:00 UTC · wind from 230° at 9 kt · visibility 6+ SM · temp 9°C / dewpoint -19°C · altimeter 30.59" Hg

// Runway analysis · computed from current METAR wind

Wind 230° @ 9 kt

2 USABLE · 2 AVOID · 2 CAUTION

WIND

230°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

28★ HDG 280° H6 kt X7 kt LEFT PRIMARY · 13,123'

28R HDG 280° H6 kt X7 kt LEFT ⚠ HIGH XW · 78%

TAILWIND ENDS · AVOID 2 ends

10 HDG 100° T6 kt X7 kt RIGHT —

10L HDG 100° T6 kt X7 kt RIGHT —

Pattern altitude: 14,355 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 +19°C

15,000FT

+1,645 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV13,355 FT OAT+9°C ISA DELTA+19°C PRESSURE ALT12,682 FT

// Performance equivalent Your aircraft will perform as if it's at a field 15,000 ft high on a standard ISA day — that's +1,645 ft above SLLP's actual elevation.

// Aircraft performance impact DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+150%

-105%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+105%

-68%

Light jetCJ4, Phenom 300, M2

+60%

-45%

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 · 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 LEVEL17,900 ft VFR MARGINunlimited

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

10:08ZSUNRISE

16:20ZSOLAR NOON

22:32ZSUNSET

22:54ZCIVIL END

CURRENT01:04Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS22:54Z (past) DAY LENGTH12h 24m

Waxing Crescent

ILLUMINATION3% MOONRISE11:28Z MOONSET23:53Z FULL MOON IN13 days

// Nearest reporting stations

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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