// Station · 57m ago

KTVL

Lake Tahoe Airport

CAT VFR

WIND 170° / 3 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td -1.7°C / -2.8°C

ALTIM 29.73 inHg

ELEV 6,264 FT

38.8939°N / 119.9950°W

LOCATION · South Lake Tahoe, US

WIND

170°3 kt

KTVL · 6,264 FT

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

METRIC

NOW · 08Z

+6H

+12H

+18H

WIND

170°/3

VIS

10+ SM

CEILING

—

LAYERS

SCT038

T / Td

-2 / -3

ALTIM

29.73"

// Interpretation

VFR with light winds at 170°/3 kt. Visibility better than 10 statute miles and scattered at 3,800 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 KTVL 270853Z AUTO 17003KT 10SM SCT038 M02/M03 A2973 RMK AO2 SLP055 T10171028 58012

KTVL · day 27 at 08:53 UTC · wind from 170° at 3 kt · visibility 10+ SM · scattered layer at 3,800 ft · temp -2°C / dewpoint -3°C · altimeter 29.73" Hg · automated station w/ precipitation discriminator · sea-level pressure 1005.5 mb

// Runway analysis · computed from current METAR wind

Wind 170° @ 3 kt

ALL USABLE · WINDS CALM

WIND

170°3 kt

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 -4°C

6,000FT

-264 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↘ -1,300 FT

24h AGO18h12h6hNOW

FIELD ELEV6,264 FT OAT-2°C ISA DELTA-4°C PRESSURE ALT6,450 FT

// Performance equivalent Operating here right now feels like operating at KTRK (Truckee Tahoe Airport, Truckee, elev 5,900 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+60%

-42%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+42%

-27%

Light jetCJ4, Phenom 300, M2

+24%

-18%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

SCT038

Scattered · base 3,800 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER3,800 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL6,264 ft VFR MARGINunlimited

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

12:40ZSUNRISE

19:58ZSOLAR NOON

03:16ZSUNSET

03:47ZCIVIL END

CURRENT09:50Z DAYLIGHT REMAINING17h 25m VFR NIGHT BEGINS03:47Z (17h 56m) DAY LENGTH14h 36m

Waxing Gibbous

ILLUMINATION82% MOONRISE21:21Z MOONSET11:57Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

KCXP

VFR

Carson Airport · Carson City

WIND: CALM
VIS: 10+ SM
CEILING: BKN060
DIST: 22 NM NE
AGE: 15m ago

KTRK

LIFR → MVFR 18Z

Truckee Tahoe Airport · Truckee

WIND: CALM
VIS: 10+ SM
CEILING: BKN004
DIST: 26 NM N
AGE: 15m ago

KRNO

VFR → MVFR 15Z

Reno Tahoe International Airport · Reno

WIND: 330° / 12 kt
VIS: 10+ SM
CEILING: BKN035
DIST: 38 NM N
AGE: 55m ago

KMHR

VFR

Sacramento Mather Airport · Sacramento

WIND: CALM
VIS: 10+ SM
CEILING: SCT100
DIST: 64 NM W
AGE: 15m ago

KMCC

VFR

McClellan Airfield · Sacramento

WIND: CALM
VIS: 10+ SM
CEILING: FEW080
DIST: 67 NM W
AGE: 15m ago

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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