// Station · 25m ago

KCHA

Chattanooga Metropolitan Airport (Lovell Field)

CAT VFR

WIND 110° / 3 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 30°C / 16.1°C

ALTIM 30.01 inHg

ELEV 683 FT

35.0353°N / 85.2038°W

LOCATION · Chattanooga, US

WIND

110°3 kt

KCHA · 683 FT

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

METRIC

NOW · 23Z

+6H

+12H

+18H

WIND

110°/3

VIS

10+ SM

CEILING

—

LAYERS

FEW060 FEW250

T / Td

30 / 16

ALTIM

30.01"

// Interpretation

VFR with light winds at 110°/3 kt. Visibility better than 10 statute miles and a few at 6,000 ft, and a few at 25,000 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 KCHA 252353Z 11003KT 10SM FEW060 FEW250 30/16 A3001 RMK AO2 SLP154 T03000161 10328 20294 56005

KCHA · day 25 at 23:53 UTC · wind from 110° at 3 kt · visibility 10+ SM · a few clouds at 6,000 ft · a few clouds at 25,000 ft · temp 30°C / dewpoint 16°C · altimeter 30.01" Hg · automated station w/ precipitation discriminator · sea-level pressure 1015.4 mb

// Runway analysis · computed from current METAR wind

Wind 110° @ 3 kt

ALL USABLE · WINDS CALM

WIND

110°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

02 HDG 020° —CALM —— 7,400'

20 HDG 200° —CALM —— 7,400'

15 HDG 150° —CALM —— 5,575'

33 HDG 330° —CALM —— 5,575'

Pattern altitude: 1,683 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 +16°C

2,500FT

+1,817 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV683 FT OAT+30°C ISA DELTA+16°C PRESSURE ALT592 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 MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+25%

-18%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+18%

-11%

Light jetCJ4, Phenom 300, M2

+10%

-8%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · 2 reported · highest to lowest

// Reported layers (highest → lowest)

FEW250

Few · base 25,000 ft AGL · ~1–2 oktas

FEW060

Few · base 6,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER25,000 ft TOTAL COVERAGE~23% (sparse) FREEZING LEVEL15,835 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

11:09ZSUNRISE

17:44ZSOLAR NOON

00:19ZSUNSET

00:45ZCIVIL END

CURRENT00:18Z DAYLIGHT REMAINING1m VFR NIGHT BEGINS00:45Z (27m) DAY LENGTH13h 09m

Waxing Gibbous

ILLUMINATION95% MOONRISE21:28Z MOONSET10:37Z FULL MOON IN2 days

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

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