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// Station · 33m ago

KTYS

McGhee Tyson Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING Few/scattered only
T/Td 20.6°C / 17.2°C
ALTIM 30.05 inHg
ELEV 981 FT
35.8110°N / 83.9940°W
LOCATION · Knoxville/Maryville, US
N
WIND
000°0 kt
KTYS · 981 FT
© OSM · CartoDB

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

METRIC
NOW · 01Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
—
 
 
 
LAYERS
FEW002
 
 
 
T / Td
21 / 17
 
 
 
ALTIM
30.05"
 
 
 

// Interpretation

VFR with winds calm. Visibility better than 10 statute miles and a few at 200 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

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

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// Raw observation METAR string + decoded

METAR KTYS 130153Z 00000KT 10SM FEW002 21/17 A3005 RMK AO2 SLP169 T02060172 $

KTYS · day 13 at 01:53 UTC · winds calm · visibility 10+ SM · a few clouds at 200 ft · temp 21°C / dewpoint 17°C · altimeter 30.05" Hg · automated station w/ precipitation discriminator · sea-level pressure 1016.9 mb

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
000°calm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
05L HDG 050° —CALM —— 10,000'
23R HDG 230° —CALM —— 10,000'
05R HDG 050° —CALM —— 9,000'
23L HDG 230° —CALM —— 9,000'
Pattern altitude: 1,981 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 +7°C

1,700FT
+719 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV981 FT OAT+21°C ISA DELTA+7°C PRESSURE ALT848 FT
// Performance equivalent Operating here right now feels like operating at KRKW (Rockwood Municipal Airport, Rockwood, elev 1,664 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+17%
-12%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+12%
-8%
Light jetCJ4, Phenom 300, M2
+7%
-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. 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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,385 FT FEW002 KTYS ELEV · 981 FT
// Reported layers (highest → lowest)
FEW002
Few · base 200 ft AGL · ~1–2 oktas
// Computed
CEILING— HIGHEST LAYER200 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL11,385 ft VFR MARGINunlimited

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

11:41ZSUNRISE
17:23ZSOLAR NOON
23:06ZSUNSET
23:31ZCIVIL END
CURRENT02:26Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:31Z (past) DAY LENGTH11h 25m
Waxing Crescent
ILLUMINATION3% MOONRISE13:04Z MOONSET00:29Z FULL MOON IN13 days

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

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