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// Station · 12m ago

SLLP

El Alto International Airport
CAT VFR
WIND 200° / 7 kt
VIS 6+ SM
CEILING CLR
T/Td 11°C / -26°C
ALTIM 30.68 inHg
ELEV 13,355 FT
16.5103°S / 68.1894°W
LOCATION · La Paz / El Alto, BO
N
WIND
200°7 kt
SLLP · 13,355 FT
© OSM · CartoDB

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

METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
200°/7
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
11 / -26
 
 
 
ALTIM
30.68"
 
 
 

// Interpretation

VFR with light winds at 200°/7 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 111600Z 20007KT 9999 NSC 11/M26 Q1039 NOSIG

SLLP · day 11 at 16:00 UTC · wind from 200° at 7 kt · visibility 6+ SM · temp 11°C / dewpoint -26°C · altimeter 30.68" Hg

// Runway analysis · computed from current METAR wind

Wind 200° @ 7 kt
2 USABLE · 2 AVOID · 2 CAUTION
N
WIND
200°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
28 HDG 280° H1 kt X7 kt LEFT PRIMARY · 13,123'
28R HDG 280° H1 kt X7 kt LEFT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 2 ends
10 HDG 100° T1 kt X7 kt RIGHT
10L HDG 100° T1 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 +21°C

15,100FT
+1,745 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
16,100 14,550 13,000
24h AGO18h12h6hNOW
FIELD ELEV13,355 FT OAT+11°C ISA DELTA+21°C PRESSURE ALT12,593 FT
// Performance equivalent Your aircraft will perform as if it's at a field 15,100 ft high on a standard ISA day — that's +1,745 ft above SLLP's actual elevation.
// Aircraft performance impact DANGEROUS
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+151%
-106%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+106%
-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.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 18,911 FT SLLP ELEV · 13,355 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL18,911 ft VFR MARGINunlimited

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

11:03ZSUNRISE
16:39ZSOLAR NOON
22:15ZSUNSET
22:38ZCIVIL END
CURRENT16:12Z DAYLIGHT REMAINING6h 02m VFR NIGHT BEGINS22:38Z (6h 26m) DAY LENGTH11h 12m
Waning Crescent
ILLUMINATION11% MOONRISE08:31Z MOONSET19:43Z FULL MOON IN18 days

// Nearest reporting stations · 4 shown · 150 NM (sparse area)

// Area map · 140 NM radius · CartoDB Dark Matter + aeronautical overlay

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