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// Station · 12m ago

K05U

Eureka Airport
CAT VFR
WIND 020° / 10 kt G15
VIS 10+ SM
CEILING BKN at 9,000 ft
T/Td 17°C / 3°C
ALTIM 30.13 inHg
ELEV 5,954 FT
39.6042°N / 116.0050°W
LOCATION · Eureka, US
N
WIND
020°10 kt
K05U · 5,954 FT
© OSM · CartoDB

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

METRIC
NOW · 20Z
+6H
+12H
+18H
WIND
020°/10G15
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN090
 
 
 
LAYERS
FEW060 SCT080 BKN090
 
 
 
T / Td
17 / 3
 
 
 
ALTIM
30.13"
 
 
 

// Interpretation

VFR — ceiling 9,000 ft. Moderate winds at 020°/10 kt, gusting 15, visibility better than 10 statute miles, a few at 6,000 ft, scattered at 8,000 ft, and broken at 9,000 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 K05U 302055Z AUTO 02010G15KT 10SM FEW060 SCT080 BKN090 17/03 A3013 RMK A01

K05U · day 30 at 20:55 UTC · wind from 020° at 10 kt, gusts to 15 kt · visibility 10+ SM · a few clouds at 6,000 ft · scattered layer at 8,000 ft · broken layer at 9,000 ft · temp 17°C / dewpoint 3°C · altimeter 30.13" Hg

// Runway analysis · computed from current METAR wind

Wind 020° @ 10 ktG15
1 USABLE · 1 AVOID
N
WIND
020°10G15 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
35 HDG 350° H9 kt X5 kt RIGHT PRIMARY · 7,300'
TAILWIND ENDS · AVOID 1 ends
17 HDG 170° T9 kt X5 kt LEFT
Pattern altitude: 6,954 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

7,300FT
+1,346 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
7,800 6,700 5,600
24h AGO18h12h6hNOW
FIELD ELEV5,954 FT OAT+17°C ISA DELTA+13°C PRESSURE ALT5,742 FT
// Performance equivalent Operating here right now feels like operating at KEMM (Kemmerer Municipal Airport, Kemmerer, elev 7,285 ft) on a standard ISA day.
// Aircraft performance impact DANGEROUS
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+73%
-51%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+51%
-33%
Light jetCJ4, Phenom 300, M2
+29%
-22%

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 · 3 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 14,540 FT FEW060 SCT080 BKN090 · CEILING K05U ELEV · 5,954 FT
// Reported layers (highest → lowest)
BKN090
Broken · base 9,000 ft AGL · ~5–7 oktas
SCT080
Scattered · base 8,000 ft AGL · ~3–4 oktas
FEW060
Few · base 6,000 ft AGL · ~1–2 oktas
// Computed
CEILING9,000 ft AGL HIGHEST LAYER9,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL14,540 ft VFR MARGIN+6,000 ft

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

12:20ZSUNRISE
19:43ZSOLAR NOON
03:05ZSUNSET
03:36ZCIVIL END
CURRENT21:07Z DAYLIGHT REMAINING5h 58m VFR NIGHT BEGINS03:36Z (6h 29m) DAY LENGTH14h 44m
Full Moon
ILLUMINATION100% MOONRISE23:50Z MOONSET14:35Z FULL MOON IN1 day

// Nearest reporting stations · 5 shown · 150 NM (sparse area)

// Area map · 120 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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