// Station · 26m ago

KNSI

San Nicolas Island Nolf Airport

CAT VFR

WIND 310° / 18 kt G25

VIS 10+ SM

CEILING CLR

T/Td 26.7°C / 13.3°C

ALTIM 29.86 inHg

ELEV 506 FT

33.2398°N / 119.4580°W

LOCATION · San Nicolas Island, US

WIND

310°18 kt

KNSI · 506 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

310°/18G25

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

27 / 13

ALTIM

29.86"

// Interpretation

VFR with brisk winds at 310°/18 kt, gusting 25. 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 KNSI 290053Z AUTO 31018G25KT 10SM CLR 27/13 A2986 RMK AO2 SLP105 T02670133 $

KNSI · day 29 at 00:53 UTC · wind from 310° at 18 kt, gusts to 25 kt · visibility 10+ SM · temp 27°C / dewpoint 13°C · altimeter 29.86" Hg · automated station w/ precipitation discriminator · sea-level pressure 1010.5 mb

// Runway analysis · computed from current METAR wind

Wind 310° @ 18 ktG25

1 USABLE · 1 AVOID

WIND

310°18G25 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

30★ HDG 300° H18 kt X3 kt RIGHT PRIMARY · 10,002'

TAILWIND ENDS · AVOID 1 ends

12 HDG 120° T18 kt X3 kt LEFT —

Pattern altitude: 1,506 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 +13°C

2,100FT

+1,594 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV506 FT OAT+27°C ISA DELTA+13°C PRESSURE ALT562 FT

// Performance equivalent Operating here right now feels like operating at KO22 (Columbia Airport, Columbia, elev 2,118 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+21%

-15%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+15%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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 LEVEL13,991 ft VFR MARGINunlimited

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

13:30ZSUNRISE

20:00ZSOLAR NOON

02:30ZSUNSET

02:55ZCIVIL END

CURRENT01:19Z DAYLIGHT REMAINING1h 11m VFR NIGHT BEGINS02:55Z (1h 36m) DAY LENGTH12h 59m

Waning Gibbous

ILLUMINATION99% MOONRISE02:18Z MOONSET15:17Z FULL MOON IN29 days

// Nearest reporting stations

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

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