// Station · 22m ago

KTHA

Tullahoma Regional Airport William Northern Field

CAT VFR

WIND 360° / 3 kt

VIS 10+ SM

CEILING CLR

T/Td 25°C / 18°C

ALTIM 30.04 inHg

ELEV 1,083 FT

35.3801°N / 86.2464°W

LOCATION · Tullahoma, US

WIND

360°3 kt

KTHA · 1,083 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

360°/3

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

25 / 18

ALTIM

30.04"

// Interpretation

VFR with light winds at 360°/3 kt. Visibility better than 10 statute miles and no reported cloud layers. 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 KTHA 290055Z AUTO 36003KT 10SM CLR 25/18 A3004 RMK A01

KTHA · day 29 at 00:55 UTC · wind from 360° at 3 kt · visibility 10+ SM · temp 25°C / dewpoint 18°C · altimeter 30.04" Hg

// Runway analysis · computed from current METAR wind

Wind 360° @ 3 kt

ALL USABLE · WINDS CALM

WIND

360°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 6 ends

06 HDG 060° —CALM —— 5,501'

24 HDG 240° —CALM —— 5,501'

18 HDG 180° —CALM —— 4,205'

36 HDG 360° —CALM —— 4,205'

09 HDG 090° —CALM —— 3,130'

27 HDG 270° —CALM —— 3,130'

Pattern altitude: 2,083 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 +12°C

2,400FT

+1,317 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,083 FT OAT+25°C ISA DELTA+12°C PRESSURE ALT959 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

+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. 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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL13,709 ft VFR MARGINunlimited

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

11:15ZSUNRISE

17:47ZSOLAR NOON

00:19ZSUNSET

00:45ZCIVIL END

CURRENT01:17Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS00:45Z (past) DAY LENGTH13h 04m

Waning Gibbous

ILLUMINATION99% MOONRISE00:02Z MOONSET13:06Z FULL MOON IN29 days

// Nearest reporting stations

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

AIRSPACE

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