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// Station · 14m ago

KTVL

Lake Tahoe Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 9.4°C / 4.4°C
ALTIM 30.33 inHg
ELEV 6,264 FT
38.8939°N / 119.9950°W
LOCATION · South Lake Tahoe, US
N
WIND
000°0 kt
KTVL · 6,264 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
9 / 4
 
 
 
ALTIM
30.33"
 
 
 

// Interpretation

VFR with winds calm. 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 KTVL 251353Z AUTO 00000KT 10SM CLR 09/04 A3033 RMK AO2 SLP217 T00940044

KTVL · day 25 at 13:53 UTC · winds calm · visibility 10+ SM · temp 9°C / dewpoint 4°C · altimeter 30.33" Hg · automated station w/ precipitation discriminator · sea-level pressure 1021.7 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 2 ends
18 HDG 180° CALM 8,541'
36 HDG 360° CALM 8,541'
Pattern altitude: 7,264 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 +6°C

6,600FT
+336 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV6,264 FT OAT+9°C ISA DELTA+6°C PRESSURE ALT5,851 FT
// Performance equivalent Operating here right now feels like operating at KL35 (Big Bear City Airport, Big Bear, elev 6,752 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+66%
-46%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+46%
-30%
Light jetCJ4, Phenom 300, M2
+26%
-20%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,011 FT KTVL ELEV · 6,264 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL11,011 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-8)

13:24ZSUNRISE
20:03ZSOLAR NOON
02:43ZSUNSET
03:10ZCIVIL END
CURRENT14:07Z DAYLIGHT REMAINING12h 35m VFR NIGHT BEGINS03:10Z (13h 03m) DAY LENGTH13h 18m
Waxing Gibbous
ILLUMINATION93% MOONRISE23:22Z MOONSET12:41Z FULL MOON IN3 days

// Nearest reporting stations

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

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