// Station · 31m ago

KAAT

Alturas Municipal Airport

CAT VFR

WIND 040° / 4 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 4.4°C / -6.7°C

ALTIM 30.01 inHg

ELEV 4,378 FT

41.4827°N / 120.5657°W

LOCATION · Alturas, US

WIND

040°4 kt

KAAT · 4,378 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

040°/4

VIS

10+ SM

CEILING

—

LAYERS

FEW070

T / Td

4 / -7

ALTIM

30.01"

// Interpretation

VFR with light winds at 040°/4 kt. Visibility better than 10 statute miles and a few at 7,000 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 KAAT 130155Z AUTO 04004KT 10SM FEW070 04/M07 A3001 RMK AO2 SLP182 T00441067

KAAT · day 13 at 01:55 UTC · wind from 040° at 4 kt · visibility 10+ SM · a few clouds at 7,000 ft · temp 4°C / dewpoint -7°C · altimeter 30.01" Hg · automated station w/ precipitation discriminator · sea-level pressure 1018.2 mb

// Runway analysis · computed from current METAR wind

Wind 040° @ 4 kt

ALL USABLE · WINDS CALM

WIND

040°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

13 HDG 130° —CALM —— 4,228'

31 HDG 310° —CALM —— 4,228'

03 HDG 030° —CALM —— 2,506'

21 HDG 210° —CALM —— 2,506'

Pattern altitude: 5,378 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 -2°C

4,000FT

-378 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV4,378 FT OAT+4°C ISA DELTA-2°C PRESSURE ALT4,287 FT

// Performance equivalent Operating here right now feels like operating at KTSP (Tehachapi Municipal Airport, Tehachapi, elev 4,001 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+40%

-28%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+28%

-18%

Light jetCJ4, Phenom 300, M2

+16%

-12%

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)

FEW070

Few · base 7,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER7,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL6,600 ft VFR MARGINunlimited

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

14:11ZSUNRISE

19:49ZSOLAR NOON

01:27ZSUNSET

01:55ZCIVIL END

CURRENT02:26Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:55Z (past) DAY LENGTH11h 15m

Waxing Crescent

ILLUMINATION3% MOONRISE15:35Z MOONSET02:51Z FULL MOON IN13 days

// Nearest reporting stations

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

AIRSPACE

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