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// Station · 13m ago

TIST

Cyril E. King Airport
CAT VFR
WIND 100° / 14 kt G23
VIS 10+ SM
CEILING Few/scattered only
T/Td 32.2°C / 21.1°C
ALTIM 30.08 inHg
WX DU
ELEV 23 FT
18.3371°N / 64.9772°W
LOCATION · Charlotte Amalie, VI
N
WIND
100°14 kt
TIST · 23 FT
© OSM · CartoDB

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

METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
100°/14G23
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW013
 
 
 
T / Td
32 / 21
 
 
 
ALTIM
30.08"
 
 
 

// Interpretation

VFR with brisk winds at 100°/14 kt, gusting 23. Visibility better than 10 statute miles and a few at 1,300 ft. Reported weather: DU. 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 TIST 111253Z 10014G23KT 10SM DU FEW013 32/21 A3008 RMK AO2 SLP187 T03220211 $

TIST · day 11 at 12:53 UTC · wind from 100° at 14 kt, gusts to 23 kt · visibility 10+ SM · a few clouds at 1,300 ft · temp 32°C / dewpoint 21°C · altimeter 30.08" Hg · weather: DU · automated station w/ precipitation discriminator · sea-level pressure 1018.7 mb

// Runway analysis · computed from current METAR wind

Wind 100° @ 14 ktG23
1 USABLE · 1 AVOID
N
WIND
100°14G23 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
10 HDG 100° H14 kt X0 kt PRIMARY · 7,000'
TAILWIND ENDS · AVOID 1 ends
28 HDG 280° T14 kt X0 kt
Pattern altitude: 1,023 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

1,900FT
+1,877 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +100 FT
2,200 1,800 1,400
24h AGO18h12h6hNOW
FIELD ELEV23 FT OAT+32°C ISA DELTA+17°C PRESSURE ALT-139 FT
// Performance equivalent Your aircraft will perform as if it's at a field 1,900 ft high on a standard ISA day — that's +1,877 ft above TIST's actual elevation.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+19%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 16,286 FT FEW013 TIST ELEV · 23 FT
// Reported layers (highest → lowest)
FEW013
Few · base 1,300 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER1,300 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL16,286 ft VFR MARGINunlimited

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

09:51ZSUNRISE
16:26ZSOLAR NOON
23:01ZSUNSET
23:25ZCIVIL END
CURRENT13:06Z DAYLIGHT REMAINING9h 55m VFR NIGHT BEGINS23:25Z (10h 19m) DAY LENGTH13h 09m
Waning Crescent
ILLUMINATION11% MOONRISE07:13Z MOONSET20:22Z FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 60 NM radius

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

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