// 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

WIND

100°14 kt

TIST · 23 FT

// 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

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

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

// 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

TUPJ

VFR

Terrance B. Lettsome International Airport · Beef Island

WIND: 070° / 12 kt
VIS: 10+ SM
CEILING: SCT023
DIST: 26 NM E
AGE: 6m ago

TISX

VFR

Henry E. Rohlsen Airport · Christiansted

WIND: 100° / 14 kt
VIS: 10+ SM
CEILING: BKN033
DIST: 39 NM S
AGE: 13m ago

TJSJ

VFR

Luis Munoz Marin International Airport · San Juan

WIND: 070° / 19 ktG24
VIS: 8.0 SM
CEILING: FEW035
DIST: 59 NM W
AGE: 10m ago

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

AIRSPACE

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