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// Station · 13m ago

KE38

Alpine Casparis Municipal Airport
CAT VFR
WIND 260° / 9 kt G21
VIS 10+ SM
CEILING CLR
T/Td 30.9°C / 3°C
ALTIM 30.07 inHg
ELEV 4,515 FT
30.3842°N / 103.6840°W
LOCATION · Alpine, US
N
WIND
260°9 kt
KE38 · 4,515 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
260°/9G21
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
31 / 3
 
 
 
ALTIM
30.07"
 
 
 

// Interpretation

VFR with moderate winds at 260°/9 kt, gusting 21. 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 KE38 301915Z AUTO 26009G21KT 10SM CLR 31/03 A3007 RMK AO2 T03090030

KE38 · day 30 at 19:15 UTC · wind from 260° at 9 kt, gusts to 21 kt · visibility 10+ SM · temp 31°C / dewpoint 3°C · altimeter 30.07" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 260° @ 9 ktG21
2 USABLE · 2 AVOID
N
WIND
260°9G21 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
23 HDG 230° H8 kt X4 kt RIGHT PRIMARY · 5,018'
19 HDG 190° H3 kt X8 kt RIGHT 6,002'
TAILWIND ENDS · AVOID 2 ends
01 HDG 010° T3 kt X8 kt LEFT
05 HDG 050° T8 kt X5 kt LEFT
Pattern altitude: 5,515 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 +25°C

7,300FT
+2,785 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
7,800 6,600 5,400
24h AGO18h12h6hNOW
FIELD ELEV4,515 FT OAT+31°C ISA DELTA+25°C PRESSURE ALT4,362 FT
// Performance equivalent Operating here right now feels like operating at KLAM (Los Alamos Airport, Los Alamos, elev 7,171 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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 20,121 FT KE38 ELEV · 4,515 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL20,121 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-7)

11:55ZSUNRISE
18:53ZSOLAR NOON
01:52ZSUNSET
02:19ZCIVIL END
CURRENT19:28Z DAYLIGHT REMAINING6h 23m VFR NIGHT BEGINS02:19Z (6h 50m) DAY LENGTH13h 57m
Full Moon
ILLUMINATION99% MOONRISE23:21Z MOONSET13:18Z FULL MOON IN1 day

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

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