// Station · 13m ago

KCHA

Chattanooga Metropolitan Airport (Lovell Field)

CAT MVFR

WIND 160° / 3 kt

VIS 3.0 SM

CEILING BKN at 4,500 ft

T/Td 22.8°C / 20.6°C

ALTIM 30.12 inHg

WX -TSRA BR

ELEV 683 FT

35.0353°N / 85.2038°W

LOCATION · Chattanooga, US

WIND

160°3 kt

KCHA · 683 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

160°/3

VIS

3.0 SM

CEILING

BKN045

LAYERS

SCT025 BKN045 OVC075

T / Td

23 / 21

ALTIM

30.12"

// Interpretation

MVFR — visibility 3.0 SM. Light winds at 160°/3 kt, visibility 3.0 SM, scattered at 2,500 ft, broken at 4,500 ft, and overcast at 7,500 ft. Reported weather: -TSRA BR. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

SPECI KCHA 111706Z 16003KT 3SM R02/6000VP6000FT -TSRA BR SCT025CB BKN045 OVC075 23/21 A3012 RMK AO2 CONS LTGICCC OHD TS OHD MOV E P0027 T02280206

KCHA · day 11 at 17:06 UTC · wind from 160° at 3 kt · visibility 3.0 SM · scattered layer at 2,500 ft · broken layer at 4,500 ft · overcast at 7,500 ft · temp 23°C / dewpoint 21°C · altimeter 30.12" Hg · weather: -TSRA BR · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 160° @ 3 kt

ALL USABLE · WINDS CALM

WIND

160°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 +9°C

1,500FT

+817 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -1,200 FT

24h AGO18h12h6hNOW

FIELD ELEV683 FT OAT+23°C ISA DELTA+9°C PRESSURE ALT479 FT

// Performance equivalent Operating here right now feels like operating at KTRI (Tri-Cities Regional TN/VA Airport, Blountville, elev 1,519 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+15%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-5%

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)

OVC075

Overcast · base 7,500 ft AGL · 8 oktas

BKN045

Broken · base 4,500 ft AGL · ~5–7 oktas

SCT025

Scattered · base 2,500 ft AGL · ~3–4 oktas

// Computed

CEILING4,500 ft AGL HIGHEST LAYER7,500 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL12,198 ft VFR MARGIN+1,500 ft

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

10:36ZSUNRISE

17:47ZSOLAR NOON

00:58ZSUNSET

01:27ZCIVIL END

CURRENT17:19Z DAYLIGHT REMAINING7h 38m VFR NIGHT BEGINS01:27Z (8h 07m) DAY LENGTH14h 21m

Waning Crescent

ILLUMINATION10% MOONRISE08:06Z MOONSET22:28Z FULL MOON IN18 days

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

K9A5

VFR

Barwick Lafayette Airport · Lafayette

WIND: 260° / 8 kt
VIS: 10+ SM
CEILING: SCT042
DIST: 21 NM S
AGE: 24m ago

KRZR

IFR

Cleveland Regional Jetport · Cleveland

WIND: 300° / 8 kt
VIS: 1.3 SM
CEILING: CLR
DIST: 22 NM NE
AGE: 24m ago

KDNN

VFR

Dalton Municipal Airport · Dalton

WIND: VRB / 4 kt
VIS: 10+ SM
CEILING: FEW045
DIST: 25 NM SE
AGE: 4m ago

K2A0

MVFR

Mark Anton Airport · Dayton

WIND: 210° / 5 kt
VIS: 5.0 SM
CEILING: CLR
DIST: 30 NM NE
AGE: 24m ago

KCZL

VFR

Tom B. David Field · Calhoun

WIND: 320° / 4 ktG16
VIS: 10+ SM
CEILING: BKN085
DIST: 37 NM S
AGE: 24m ago

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

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