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// Station · 7m ago

K4V9

Antelope County Airport
CAT VFR
WIND 180° / 13 kt G20
VIS 10+ SM
CEILING CLR
T/Td 23°C / 19°C
ALTIM 29.89 inHg
ELEV 1,774 FT
42.1122°N / 98.0387°W
LOCATION · Neligh, US
N
WIND
180°13 kt
K4V9 · 1,774 FT
© OSM · CartoDB

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

METRIC
NOW · 07Z
+6H
+12H
+18H
WIND
180°/13G20
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
23 / 19
 
 
 
ALTIM
29.89"
 
 
 

// Interpretation

VFR with brisk winds at 180°/13 kt, gusting 20. 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.

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SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR K4V9 290715Z AUTO 18013G20KT 10SM CLR 23/19 A2989 RMK AO2 LTG DSNT SW

K4V9 · day 29 at 07:15 UTC · wind from 180° at 13 kt, gusts to 20 kt · visibility 10+ SM · temp 23°C / dewpoint 19°C · altimeter 29.89" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 180° @ 13 ktG20
2 USABLE · 2 AVOID
N
WIND
180°13G20 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
19 HDG 190° H13 kt X2 kt LEFT PRIMARY · 3,700'
13 HDG 130° H8 kt X10 kt RIGHT 3,310'
TAILWIND ENDS · AVOID 2 ends
31 HDG 310° T8 kt X10 kt LEFT
1 HDG 010° T13 kt X2 kt RIGHT
Pattern altitude: 2,774 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 +12°C

3,200FT
+1,426 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV1,774 FT OAT+23°C ISA DELTA+12°C PRESSURE ALT1,801 FT
// Performance equivalent Operating here right now feels like operating at KIML (Imperial Municipal Airport, Imperial, elev 3,275 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+32%
-22%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+22%
-14%
Light jetCJ4, Phenom 300, M2
+13%
-10%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,390 FT K4V9 ELEV · 1,774 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL13,390 ft VFR MARGINunlimited

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

11:55ZSUNRISE
18:34ZSOLAR NOON
01:13ZSUNSET
01:42ZCIVIL END
CURRENT07:22Z DAYLIGHT REMAINING17h 50m VFR NIGHT BEGINS01:42Z (18h 19m) DAY LENGTH13h 17m
Waning Gibbous
ILLUMINATION98% MOONRISE00:55Z MOONSET14:12Z FULL MOON IN28 days

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