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// KMER · Castle Airport · Merced

// STALE Observation is 1h 7m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 7m ago · STALE

KMER

Castle Airport
CAT VFR
WIND 330° / 9 kt
VIS 10+ SM
CEILING CLR
T/Td — / —
ALTIM — inHg
ELEV 191 FT
37.3805°N / 120.5680°W
LOCATION · Merced, US
N
WIND
330°9 kt
KMER · 191 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
330°/9
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
—
 
 
 
ALTIM
—
 
 
 

Loading TAF forecast…

// Interpretation

VFR with moderate winds at 330°/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 KMER 251555Z 33009KT 10SM CLR

KMER · day 25 at 15:55 UTC · wind from 330° at 9 kt · visibility 10+ SM

// Runway analysis · computed from current METAR wind

Wind 330° @ 9 kt
1 USABLE · 1 AVOID
N
WIND
330°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
31★ HDG 310° H8 kt X3 kt RIGHT PRIMARY · 11,802'
TAILWIND ENDS · AVOID 1 ends
13 HDG 130° T8 kt X3 kt LEFT —
Pattern altitude: 1,191 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

Density altitude needs current temperature + altimeter + field elevation — one or more is unavailable for KMER.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k KMER ELEV · 191 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL— VFR MARGINunlimited

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

13:28ZSUNRISE
20:05ZSOLAR NOON
02:43ZSUNSET
03:10ZCIVIL END
CURRENT17:02Z DAYLIGHT REMAINING9h 41m VFR NIGHT BEGINS03:10Z (10h 08m) DAY LENGTH13h 15m
Waxing Gibbous
ILLUMINATION94% MOONRISE23:32Z MOONSET12:47Z FULL MOON IN2 days

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

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