// Station · 27m ago

KCHS

Charleston International Airport

CAT VFR

WIND 270° / 13 kt G20

VIS 10+ SM

CEILING BKN at 20,000 ft

T/Td 35°C / 22.2°C

ALTIM 30.07 inHg

ELEV 46 FT

32.8962°N / 80.0382°W

LOCATION · Charleston, US

WIND

270°13 kt

KCHS · 46 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

270°/13G20

VIS

10+ SM

CEILING

BKN200

LAYERS

SCT050 BKN200

T / Td

35 / 22

ALTIM

30.07"

// Interpretation

VFR — ceiling 20,000 ft. Brisk winds at 270°/13 kt, gusting 20, visibility better than 10 statute miles, scattered at 5,000 ft, and broken 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 111656Z 27013G20KT 10SM SCT050 BKN200 35/22 A3007 RMK AO2 SLP182 T03500222

KCHS · day 11 at 16:56 UTC · wind from 270° at 13 kt, gusts to 20 kt · visibility 10+ SM · scattered layer at 5,000 ft · broken layer at 20,000 ft · temp 35°C / dewpoint 22°C · altimeter 30.07" Hg · automated station w/ precipitation discriminator · sea-level pressure 1018.2 mb

// Runway analysis · computed from current METAR wind

Wind 270° @ 13 ktG20

2 USABLE · 2 AVOID · 2 CAUTION

WIND

270°13G20 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

21★ HDG 210° H7 kt X11 kt RIGHT PRIMARY · 7,000'

33 HDG 330° H7 kt X11 kt LEFT ⚠ HIGH XW · 55%

TAILWIND ENDS · AVOID 2 ends

15 HDG 150° T6 kt X11 kt RIGHT —

03 HDG 030° T7 kt X11 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

2,300FT

+2,254 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -200 FT

24h AGO18h12h6hNOW

FIELD ELEV46 FT OAT+35°C ISA DELTA+20°C PRESSURE ALT-107 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

+23%

-16%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+16%

-10%

Light jetCJ4, Phenom 300, M2

+9%

-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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN200

Broken · base 20,000 ft AGL · ~5–7 oktas

SCT050

Scattered · base 5,000 ft AGL · ~3–4 oktas

// Computed

CEILING20,000 ft AGL HIGHEST LAYER20,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL17,723 ft VFR MARGIN+17,000 ft

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

10:21ZSUNRISE

17:26ZSOLAR NOON

00:32ZSUNSET

01:00ZCIVIL END

CURRENT17:23Z DAYLIGHT REMAINING7h 08m VFR NIGHT BEGINS01:00Z (7h 36m) DAY LENGTH14h 10m

Waning Crescent

ILLUMINATION10% MOONRISE07:51Z MOONSET22:02Z FULL MOON IN18 days

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

KJZI

VFR

Charleston Executive Airport · Johns Island

WIND: 250° / 7 ktG14
VIS: 10+ SM
CEILING: CLR
DIST: 12 NM S
AGE: 8m ago

KLRO

VFR

Mount Pleasant Regional Airport Faison Field · Mount Pleasant

WIND: 260° / 7 kt
VIS: 9.0 SM
CEILING: CLR
DIST: 13 NM E
AGE: 8m ago

KDYB

VFR

Summerville Airport · Summerville

WIND: 240° / 9 ktG14
VIS: 10+ SM
CEILING: FEW050
DIST: 16 NM NW
AGE: 8m ago

KMKS

VFR

Berkeley County Airport · Moncks Corner

WIND: 250° / 6 kt
VIS: 10+ SM
CEILING: BKN046
DIST: 17 NM N
AGE: 8m ago

KRBW

VFR

Lowcountry Regional Airport · Walterboro

WIND: 250° / 10 ktG16
VIS: 10+ SM
CEILING: BKN050
DIST: 30 NM W
AGE: 8m ago

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

AIRSPACE

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