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// Station · 12m ago

KLVK

Livermore Municipal Airport
CAT VFR
WIND 290° / 9 kt
VIS 10+ SM
CEILING CLR
T/Td 23.9°C / 5°C
ALTIM 30.08 inHg
ELEV 400 FT
37.6934°N / 121.8200°W
LOCATION · Livermore, US
N
WIND
290°9 kt
KLVK · 400 FT
© OSM · CartoDB

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

METRIC
NOW · 20Z
+6H
+12H
+18H
WIND
290°/9
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
24 / 5
 
 
 
ALTIM
30.08"
 
 
 

// Interpretation

VFR with moderate winds at 290°/9 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 302053Z 29009KT 10SM CLR 24/05 A3008 RMK AO2 SLP181 T02390050 58011

KLVK · day 30 at 20:53 UTC · wind from 290° at 9 kt · visibility 10+ SM · temp 24°C / dewpoint 5°C · altimeter 30.08" Hg · automated station w/ precipitation discriminator · sea-level pressure 1018.1 mb

// Runway analysis · computed from current METAR wind

Wind 290° @ 9 kt
2 USABLE · 2 AVOID · 2 CAUTION
N
WIND
290°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
25R HDG 250° H7 kt X6 kt RIGHT PRIMARY · 5,253'
25L HDG 250° H7 kt X6 kt RIGHT ⚠ HIGH XW · 67%
TAILWIND ENDS · AVOID 2 ends
07L HDG 070° T7 kt X6 kt LEFT
07R HDG 070° T7 kt X6 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 +9°C

1,400FT
+1,000 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +600 FT
1,700 650 -400
24h AGO18h12h6hNOW
FIELD ELEV400 FT OAT+24°C ISA DELTA+9°C PRESSURE ALT238 FT
// Performance equivalent Operating here right now feels like operating at KRNM (Ramona Airport, Ramona, elev 1,395 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+14%
-10%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+10%
-6%
Light jetCJ4, Phenom 300, M2
+6%
-4%

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 · 12,471 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 LEVEL12,471 ft VFR MARGINunlimited

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

12:49ZSUNRISE
20:06ZSOLAR NOON
03:23ZSUNSET
03:53ZCIVIL END
CURRENT21:05Z DAYLIGHT REMAINING6h 17m VFR NIGHT BEGINS03:53Z (6h 48m) DAY LENGTH14h 33m
Full Moon
ILLUMINATION100% MOONRISE00:19Z MOONSET14:52Z FULL MOON IN1 day

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

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

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