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// Station · 24m ago

KLVK

Livermore Municipal Airport
CAT VFR
WIND 270° / 14 kt
VIS 10+ SM
CEILING CLR
T/Td 35.6°C / 7.8°C
ALTIM 29.90 inHg
ELEV 400 FT
37.6934°N / 121.8200°W
LOCATION · Livermore, US
N
WIND
270°14 kt
KLVK · 400 FT
© OSM · CartoDB

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

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
270°/14
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
36 / 8
 
 
 
ALTIM
29.90"
 
 
 

// Interpretation

VFR with brisk winds at 270°/14 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 KLVK 150053Z 27014KT 10SM CLR 36/08 A2990 RMK AO2 SLP119 T03560078

KLVK · day 15 at 00:53 UTC · wind from 270° at 14 kt · visibility 10+ SM · temp 36°C / dewpoint 8°C · altimeter 29.90" Hg · automated station w/ precipitation discriminator · sea-level pressure 1011.9 mb

// Runway analysis · computed from current METAR wind

Wind 270° @ 14 kt
2 USABLE · 2 AVOID
N
WIND
270°14 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
25R HDG 250° H13 kt X5 kt RIGHT PRIMARY · 5,253'
25L HDG 250° H13 kt X5 kt RIGHT 2,699'
TAILWIND ENDS · AVOID 2 ends
07L HDG 070° T13 kt X5 kt LEFT
07R HDG 070° T13 kt X5 kt LEFT
Pattern altitude: 1,400 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 +21°C

3,000FT
+2,600 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +900 FT
3,700 2,050 400
24h AGO18h12h6hNOW
FIELD ELEV400 FT OAT+36°C ISA DELTA+21°C PRESSURE ALT418 FT
// Performance equivalent Operating here right now feels like operating at KAPV (Apple Valley Airport, Apple Valley, elev 3,062 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+30%
-21%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+21%
-14%
Light jetCJ4, Phenom 300, M2
+12%
-9%

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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 18,380 FT KLVK ELEV · 400 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL18,380 ft VFR MARGINunlimited

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

12:58ZSUNRISE
20:14ZSOLAR NOON
03:30ZSUNSET
04:00ZCIVIL END
CURRENT01:17Z DAYLIGHT REMAINING2h 13m VFR NIGHT BEGINS04:00Z (2h 43m) DAY LENGTH14h 32m
New Moon
ILLUMINATION0% MOONRISE13:10Z MOONSET03:43Z FULL MOON IN15 days

// Nearest reporting stations · 5 shown · 60 NM radius

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

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