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// Station · 26m ago

TJSJ

Luis Munoz Marin International Airport
CAT VFR
WIND 090° / 18 kt
VIS 10+ SM
CEILING Few/scattered only
T/Td 28.9°C / 22.8°C
ALTIM 30.08 inHg
ELEV 9 FT
18.4394°N / 66.0018°W
LOCATION · San Juan, PR
N
WIND
090°18 kt
TJSJ · 9 FT
© OSM · CartoDB

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

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
090°/18
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW023 SCT027 SCT060
 
 
 
T / Td
29 / 23
 
 
 
ALTIM
30.08"
 
 
 

// Interpretation

VFR with brisk winds at 090°/18 kt. Visibility better than 10 statute miles and a few at 2,300 ft, scattered at 2,700 ft, and scattered at 6,000 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 TJSJ 271456Z 09018KT 10SM FEW023 SCT027 SCT060 29/23 A3008 RMK AO2 PK WND 06026/1415 SLP185 VCSH SE SW T02890228 50002 $

TJSJ · day 27 at 14:56 UTC · wind from 090° at 18 kt · visibility 10+ SM · a few clouds at 2,300 ft · scattered layer at 2,700 ft · scattered layer at 6,000 ft · temp 29°C / dewpoint 23°C · altimeter 30.08" Hg · automated station w/ precipitation discriminator · sea-level pressure 1018.5 mb

// Runway analysis · computed from current METAR wind

Wind 090° @ 18 kt
2 USABLE · 2 AVOID
N
WIND
090°18 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
08 HDG 080° H18 kt X3 kt RIGHT PRIMARY · 10,002'
10 HDG 100° H18 kt X3 kt LEFT 8,016'
TAILWIND ENDS · AVOID 2 ends
26 HDG 260° T18 kt X3 kt LEFT
28 HDG 280° T18 kt X3 kt RIGHT
Pattern altitude: 1,009 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 +14°C

1,500FT
+1,491 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
1,600 1,200 800
24h AGO18h12h6hNOW
FIELD ELEV9 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT-153 FT
// Performance equivalent Your aircraft will perform as if it's at a field 1,500 ft high on a standard ISA day — that's +1,491 ft above TJSJ's actual elevation.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+15%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-5%

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 · 14,605 FT FEW023 SCT027 SCT060 TJSJ ELEV · 9 FT
// Reported layers (highest → lowest)
SCT060
Scattered · base 6,000 ft AGL · ~3–4 oktas
SCT027
Scattered · base 2,700 ft AGL · ~3–4 oktas
FEW023
Few · base 2,300 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER6,000 ft TOTAL COVERAGE~56% (mixed) FREEZING LEVEL14,605 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-4)

09:48ZSUNRISE
16:22ZSOLAR NOON
22:56ZSUNSET
23:20ZCIVIL END
CURRENT15:22Z DAYLIGHT REMAINING7h 33m VFR NIGHT BEGINS23:20Z (7h 57m) DAY LENGTH13h 07m
Waxing Gibbous
ILLUMINATION84% MOONRISE18:40Z MOONSET07:48Z FULL MOON IN4 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of TJSJ.

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

© OpenStreetMap · CartoDB · OpenAIP
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