// Station · 35m ago

KACV

California Redwood Coast-Humboldt County Airport

CAT VFR

WIND 040° / 7 kt

VIS 10+ SM

CEILING CLR

T/Td 13.9°C / 3.9°C

ALTIM 29.97 inHg

ELEV 221 FT

40.9781°N / 124.1090°W

LOCATION · Arcata/Eureka, US

WIND

040°7 kt

KACV · 221 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

040°/7

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

14 / 4

ALTIM

29.97"

// Interpretation

VFR with light winds at 040°/7 kt. 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 KACV 130153Z AUTO 04007KT 360V080 10SM CLR 14/04 A2997 RMK AO2 SLP154 T01390039

KACV · day 13 at 01:53 UTC · wind from 040° at 7 kt · visibility 10+ SM · temp 14°C / dewpoint 4°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator · sea-level pressure 1015.4 mb

// Runway analysis · computed from current METAR wind

Wind 040° @ 7 kt

2 USABLE · 2 AVOID · 1 CAUTION

WIND

040°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

01★ HDG 010° H6 kt X3 kt RIGHT PRIMARY · 4,501'

32 HDG 320° H1 kt X7 kt RIGHT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 2 ends

14 HDG 140° T1 kt X7 kt LEFT —

19 HDG 190° T6 kt X3 kt LEFT —

Pattern altitude: 1,221 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 -1°C

100FT

-121 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV221 FT OAT+14°C ISA DELTA-1°C PRESSURE ALT168 FT

// Performance equivalent Operating here right now feels like operating at KDWA (Yolo County Davis Woodland Winters Airport, Davis/Woodland/Winters, elev 100 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+1%

-1%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+1%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

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 LEVEL7,241 ft VFR MARGINunlimited

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

14:25ZSUNRISE

20:04ZSOLAR NOON

01:42ZSUNSET

02:09ZCIVIL END

CURRENT02:28Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS02:09Z (past) DAY LENGTH11h 16m

Waxing Crescent

ILLUMINATION3% MOONRISE15:49Z MOONSET03:06Z 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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