// Station · 17m ago

KCHS

Charleston International Airport

CAT VFR

WIND 240° / 10 kt G17

VIS 10+ SM

CEILING Few/scattered only

T/Td 35.6°C / 21.7°C

ALTIM 30.03 inHg

ELEV 46 FT

32.8962°N / 80.0382°W

LOCATION · Charleston, US

WIND

240°10 kt

KCHS · 46 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

240°/10G17

VIS

10+ SM

CEILING

—

LAYERS

FEW050 FEW070 SCT200

T / Td

36 / 22

ALTIM

30.03"

// Interpretation

VFR with moderate winds at 240°/10 kt, gusting 17. Visibility better than 10 statute miles and a few at 5,000 ft, a few at 7,000 ft, and scattered at 20,000 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 KCHS 111756Z 24010G17KT 10SM FEW050 FEW070 SCT200 36/22 A3003 RMK AO2 SLP168 T03560217 10356 20267 58019

KCHS · day 11 at 17:56 UTC · wind from 240° at 10 kt, gusts to 17 kt · visibility 10+ SM · a few clouds at 5,000 ft · a few clouds at 7,000 ft · scattered layer at 20,000 ft · temp 36°C / dewpoint 22°C · altimeter 30.03" Hg · automated station w/ precipitation discriminator · sea-level pressure 1016.8 mb

// Runway analysis · computed from current METAR wind

Wind 240° @ 10 ktG17

3 USABLE · 1 AVOID · 2 CAUTION

WIND

240°10G17 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

21★ HDG 210° H9 kt X5 kt RIGHT PRIMARY · 7,000'

15 HDG 150° H0 kt X10 kt RIGHT ⚠ HIGH XW · 59%

33 HDG 330° H0 kt X10 kt LEFT ⚠ HIGH XW · 59%

TAILWIND ENDS · AVOID 1 ends

03 HDG 030° T9 kt X5 kt LEFT —

Pattern altitude: 1,046 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 +20°C

2,400FT

+2,354 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +200 FT

24h AGO18h12h6hNOW

FIELD ELEV46 FT OAT+36°C ISA DELTA+20°C PRESSURE ALT-66 FT

// Performance equivalent Operating here right now feels like operating at K6A4 (Johnson County Airport, Mountain City, elev 2,240 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+24%

-17%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+17%

-11%

Light jetCJ4, Phenom 300, M2

+10%

-7%

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

// Reported layers (highest → lowest)

SCT200

Scattered · base 20,000 ft AGL · ~3–4 oktas

FEW070

Few · base 7,000 ft AGL · ~1–2 oktas

FEW050

Few · base 5,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER20,000 ft TOTAL COVERAGE~56% (mixed) FREEZING LEVEL18,026 ft VFR MARGINunlimited

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

10:21ZSUNRISE

17:26ZSOLAR NOON

00:32ZSUNSET

01:00ZCIVIL END

CURRENT18:13Z DAYLIGHT REMAINING6h 18m VFR NIGHT BEGINS01:00Z (6h 46m) DAY LENGTH14h 10m

Waning Crescent

ILLUMINATION10% MOONRISE07:53Z MOONSET22:04Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 60 NM radius

KJZI

VFR

Charleston Executive Airport · Johns Island

WIND: 270° / 13 kt
VIS: 10+ SM
CEILING: CLR
DIST: 12 NM S
AGE: 18m ago

KLRO

VFR

Mount Pleasant Regional Airport Faison Field · Mount Pleasant

WIND: 260° / 11 kt
VIS: 9.0 SM
CEILING: CLR
DIST: 13 NM E
AGE: 18m ago

KDYB

VFR

Summerville Airport · Summerville

WIND: VRB / 4 ktG13
VIS: 10+ SM
CEILING: SCT055
DIST: 16 NM NW
AGE: 18m ago

KMKS

VFR

Berkeley County Airport · Moncks Corner

WIND: 260° / 5 ktG16
VIS: 10+ SM
CEILING: SCT050
DIST: 17 NM N
AGE: 18m ago

KRBW

VFR

Lowcountry Regional Airport · Walterboro

WIND: 300° / 5 kt
VIS: 10+ SM
CEILING: SCT041
DIST: 30 NM W
AGE: 18m ago

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

AIRSPACE

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