// Station · 1h 9m ago · STALE

KLSV

Nellis Air Force Base

CAT VFR

WIND 210° / 16 kt

VIS 10+ SM

CEILING BKN at 8,000 ft

T/Td 22.5°C / 4.5°C

ALTIM 29.70 inHg

ELEV 1,870 FT

36.2362°N / 115.0340°W

LOCATION · Las Vegas, US

WIND

210°16 kt

KLSV · 1,870 FT

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

METRIC

NOW · 23Z

+6H

+12H

+18H

WIND

210°/16

VIS

10+ SM

CEILING

BKN080

LAYERS

BKN080

T / Td

23 / 5

ALTIM

29.70"

// Interpretation

VFR — ceiling 8,000 ft. Brisk winds at 210°/16 kt, visibility better than 10 statute miles, broken at 8,000 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 KLSV 122355Z 21016KT 10SM BKN080 23/05 A2970 RMK AO2A LTG DSNT E SLP040 T02250045 10230 20198 55006 $

KLSV · day 12 at 23:55 UTC · wind from 210° at 16 kt · visibility 10+ SM · broken layer at 8,000 ft · temp 23°C / dewpoint 5°C · altimeter 29.70" Hg · sea-level pressure 1004.0 mb

// Runway analysis · computed from current METAR wind

Wind 210° @ 16 kt

2 USABLE · 2 AVOID

WIND

210°16 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

21R★ HDG 210° H16 kt X0 kt — PRIMARY · 10,120'

21L HDG 210° H16 kt X0 kt — 10,051'

TAILWIND ENDS · AVOID 2 ends

03L HDG 030° T16 kt X0 kt — —

03R HDG 030° T16 kt X0 kt — —

Pattern altitude: 2,870 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

3,500FT

+1,630 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,870 FT OAT+23°C ISA DELTA+12°C PRESSURE ALT2,089 FT

// Performance equivalent Operating here right now feels like operating at KDRA (Desert Rock Airport, Mercury, elev 3,314 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+35%

-25%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+25%

-16%

Light jetCJ4, Phenom 300, M2

+14%

-11%

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

// Reported layers (highest → lowest)

BKN080

Broken · base 8,000 ft AGL · ~5–7 oktas

// Computed

CEILING8,000 ft AGL HIGHEST LAYER8,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL13,234 ft VFR MARGIN+5,000 ft

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

13:45ZSUNRISE

19:27ZSOLAR NOON

01:09ZSUNSET

01:35ZCIVIL END

CURRENT01:04Z DAYLIGHT REMAINING5m VFR NIGHT BEGINS01:35Z (31m) DAY LENGTH11h 24m

Waxing Crescent

ILLUMINATION3% MOONRISE15:06Z MOONSET02:30Z FULL MOON IN13 days

// Nearest reporting stations

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

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